# Root merge 5: no demonstrated top-10 candidate

All 24 named inputs were found and parsed. This is a synthesis of reported experiments, not a new simulation, external verification or board submission. Citations [b35-c] etc. refer to the supplied JSON at `.imd/reads/artifacts/<ID>`; the register below preserves original artifact paths and SHA-256 of input bytes. Exact terminal figures follow the synthesis.

The requester supplies STACK **519.71 (29th)**, 10th **524.66**, first **528.40**, previous board/local transfer **0.65**, and a target of about **+5.0 local over STACK**. It also reports STACK zero OOG,214k peak against250,000 afterSwap; prior family tuning capped near+1.2 and scratch rules lost18–83. These are assignment context, not refreshed board facts. None of these results establishes the target. Toxicity anchoring has the strongest replicated fresh STACK increment here,+.629187 and+.551322 on separate2,000-seed blocks, still far below+5. [Task brief;b43-a,b43-b]

## Evidence qualifications and shared interpretation

The requester reports failed source rereads for b35-c(1),b36-a(2),b36-b(1),b37-a(1),b37-b(1),b38-b(1),b39-a(1),b39-b(1),b40-a(7),b40-b(2),b41-a(3),b41-b(3),b42-a(3),b42-b(2),b43-a(3),b43-b(2),b44-a(4),b44-b(4),b45-b(2),b46-a(2),b46-c(2). Counts concern sources, not invalid simulator calls. The report does not name every failed URL or distinguish unavailability from unsupported quotation. Treat external quotations, licensing, historical-source identity and link-based reproducibility as qualified. Worker assertions that quotations were checked do not override this later warning. Local measurements below remain attributed reports, not independently certified executions; code hashes identify bytes, not profitability or successful execution. This merge did not reread external URLs.

The essay https://benedict.dev/optimization-arena-learnings is inspiration only. Sticky-dev and surge workers describe truncated decorative code fragments without complete formulas, decay values or efficacy evidence. Cubic toxicity and complete sticky/surge implementations are worker interpretations of the brief. Virtual-reserve and dual-anchor implementation details are also worker choices, not established by essay quotations. Preserve local measurements while withholding claims that the essay proves the algorithms. [b35-c,b36-a,b36-b,b38-a,b38-b,b39-a,b39-b;requester source warning]

RS2=censored_10, code hash `f24b6ca198b744c380842c3a17964a6dc21f311bb04984b26733afa3fee8eaf2`, attributed to https://api.imdnotdead.fun/artifacts/19f2ec857df536e8ab62ab1da89ec6623332521ce46849f15bccff402c63e1e5. STACK is https://api.imdnotdead.fun/artifacts/c33720874aa1285e9dc766540b8a90410118a8e8b840d949ea0dcc211bdb27c1, hash `2eaafc7960e520b8a7fd322ec8afaff8fa677c730228a961efb509cc30b25719`. STACK comparisons include inherited RS2 gains; they are not mechanism-only increments. Top-level paired in b35-c/b36-b is vs STACK, while their top-level components are vs RS2 held-out. [Task brief;b35-c,b36-a,b36-b]

Reported common setup: https://github.com/benedictbrady/amm-challenge at `6b6921f8d463314aa7c96234e1be25a25245f704`, amm_sim_rs0.1.0.post1 wheel hash `aedb68280aca34c110968f00148387c95885207913fb2cf19a1ab4c5cfd6887a`, solc0.8.24,optimizer200,viaIR,Paris. Each arm alone vs VanillaStrategy via run_batch(...,8), not two tested strategies in one market. Configs draw default_rng(seed) size[19,21),rate[.6,1),sigma[.000882,.001008) in order;10000 steps,price seed=s,retail seed=s+1. Gas reset/read in chunks<=20. Paired differences=candidate-reference; SE=sample SD/sqrt(n). Arb component is reconstructed negative arbitrage profit, positive arb delta=less loss; retail=edge-arb. These are harness-derived components, not native retail labels. [b36-a.protocol;b37-a.notes;b41-a.protocol;b43-a.method;b45-b.protocol]

Any candidate OOG invalidates a comparison. Many workers additionally enforce afterSwap<235000 and init<245000; these differ from the task's250000 afterSwap limit. Initializer maxima are separate. Observed zero halts do not prove worst-case safety. CH expected525.5258821780834 on0..999 is attributed to https://raw.githubusercontent.com/ChengHua926/amm-challenge/d34a5199c59a4c44d5336a25f1436b4ae1f21104/contracts/src/Strategy.sol. Calibration was not run by b40-a/b, nor b44-b; other reported matches are worker evidence subject to the source warning. [Task brief;b40-a,b40-b,b44-b,b45-a,b45-b]

## Mechanisms: small gains, losses and nulls

- **Virtual Vanilla quoting:** g=.5,cap3bps,margin3bps improves RS2+.106727(SE.017976,n512),STACK+.461425(.014422,n2000). Virtual reserves in slots16/17 use a30bps band and inferred retail marginal-price equality; corner routes and unseen competitor-only fills violate exact inference. First-print retail inference is probabilistic. Neutral g0 matches RS2. Initial simultaneous writes reached247614 gas with0 OOG but exceeded235k;7 evaluations rejected, staggered X/Y writes repaired before search.44 valid search evaluations; search winner differed from recheck winner. Quote-algebra10000 cases residual4.440892098500626e-16. [b35-c]
- **Dual anchor:** a's stale w=.125,k2 loses-.271623(.018297,512) vs RS2,vs STACK+.027966(.016887,2000); neutral best including controls. b's much weaker stale w=.02,k8 gives+.010680(.004594,512) vs RS2,+.341499(.013778,2000) vs STACK. Different weights, implementations and blocks, not conflicting replications. a packs slot12 preserving direction,b uses slot11 at REVERT_U0. Fast/slow variants persist changes,stale only alters local fee reference. Linear age widening, not sqrt(time);width>=100% disables pull. Later-fill/fee>30bps conditions are interior-route proxies; post-retail competitor spot need not remain in its pre-retail band. Strong anchors lost badly: a stale w1,k0=-149.235060(SE8.855022,n64),slow=-132.407437(9.348082,64). [b36-a,b36-b]
- **Arb-weighted direction:** a=.25,k4,gain32 yields+.508855(.026956,512) vs RS2,retail+.513391/arb-.004536. a0,k8,gain64 yields+.305316(.034154,512),retail-1.889658/arb+2.194974. Different policies/decompositions, not additive improvements. Both cap push using previous cleaned size in slot15,weight saturated push by a+(1-a)*arbProbability,and scale direction coefficients only. No new state/init writes. No>=5m STACK confirmation. a searched48/177 grid points in1511.5s;b15 plus2 auxiliary in1647.96s. [b37-a,b37-b]
- **Sticky deviation:** a+.283364(.057397) is128 of requested512 seeds,components missing. b+.126442(.030462,512) mostly cubic-only+.108184(.028636);incremental sticky+.018258(.010521), not compelling at2SE. a d.95,w_tox.5,w_stale0,cubic5;b fee weight0,stale≈.049,cubic≈7.318. Material sticky weights neutral/negative;b cubic>=50 lost14–86,causing range reset. a used10 directed probes instead of full search;b9 CMA generations. Headline positives do not establish peak-hold itself as useful. No fresh STACK test. [b38-a,b38-b]
- **Arb surge:** a n6,b2,r.25,G2 loses-.037209(.011712,512) vs RS2;STACK+.306482(.013964,2000) is inherited. b n5,b≈.428,r≈.519,G3 null:-.003261(.004731,512),retail-.070973/arb+.067712. ItsSTACK+.314730 is only low-seed512 context, not goal confirmation. First-print posterior>.5 extends streak;retail clears,direction/gap restarts,later prints retain. Flat bump after RS2 caps, not the unobserved source continuation;before-cap placement untested. b80 CMA points=44 active+3 neutral simulations+33 exact-zero scores without simulation;1693.35s vs1500s. Only4 active search positives;larger bumps increasingly exchange retail for arb protection,rechecks near0. [b39-a,b39-b]

## Public controls and independent fresh confirmations

b40-a/b used identical six files and seeds900000..900031 then901000..901255. Rounding differences are not independent-seed replication.32-seed deficits vs RS2:ylintern-2.8631,lumen-2.8737,niki-3.5853,dipankar-8.0164,happybigmtn Strategy-20.1372,best_494-32.8513.256-seed top3:lumen-2.720150(SE.075797),ylintern-2.756785(.078366),niki-3.222368(.101709);top-two order reverses. All validate with0 errors. RS2 means542.3651755555325(32),533.7351592392916(256) show why raw means across blocks cannot be ranked. No fresh STACK confirmation. [b40-a,b40-b]

Top3 are ancestor STACK-family EMA/skew/stale/tail rules with cubic toxicity/different constants,omitting RS2 posterior,silence recentering,arb-weighted flow and attracting-side caps;lumen adds1/3bps sigma-regime base fee. Niki retail-4.860746/arb+1.638379 protects but loses retail;lumen-.875600/-1.844551 and ylintern-1.703034/-1.053750 lose both. Worker code-comparison and licensing claims are qualified: each file reportedly SPDX MIT,repository LICENSE/COPYING absent and API license null;a searched3levels,b whole tree. This does not establish broader license provenance or current availability. Exact pinned URLs/hashes/metrics retained below. [b40-a,b40-b;requester warning]

All following confirmations use n2000 and frozen identical candidate hashes within a/b,disjoint fresh blocks. Keep estimates separate;no guaranteed gain inferred.

|Candidate/input|Fresh block|vs RS2 mean(SE)|vs STACK mean(SE)|afterSwap max/OOG|
|---|---|---|---|---|
|sigma b41-a|5108000..5109999|.116622(.013117)|.440489(.017440)|203135/0|
|sigma b41-b|5110000..5111999|.114300(.012596)|.432662(.016018)|205159/0|
|activity b42-a|5112000..5113999|.075772(.007723)|.399773(.013588)|204576/0|
|activity b42-b|5114000..5115999|.094744(.007579)|.416633(.013714)|203771/0|
|toxicity b43-a|5116000..5117999|.309864(.017725)|.629187(.019572)|226178/0|
|toxicity b43-b|5118000..5119999|.232481(.019421)|.551322(.020865)|225591/0|

Sigma gains retail/loses arb;activity/toxicity sacrifice retail for arb. Toxicity's≈.077 difference vs RS2 is block variability, not a single assured gain. b41-a/b42-a initial all-in-one attempts timed out with no result seen,then deterministic segmented reruns included all seeds;distinguish execution retries from no tuning/selection. b41-b compiler-cache workaround did not change frozen strategy bytes. CH reportedly matches reference in these confirmations. [b41-a,b41-b,b42-a,b42-b,b43-a,b43-b]

**Union incomplete:** both b44 workers produce hash64a233b9f2f7df836092797d15490b435818cf9a680386cde7d787102b902421. Apply T(tox),H(activity),S(sigma),then exactly one substitution so anchored sigma feeds toxLinear. T=(.7126960148076509,1.2952407538263107,N674),H=(1.3323924421892905,.216073432653406,N4646),S=(.6827948634397843,1.047182309813441,N5377). T slot16,H bits>=8 slot10,S bits>=80 slot6;initializer unchanged. Component generators reproduce individual hashes;RS2 generator not rerun because RS1 source absent. Neutral overlays match RS2 edges and per-step fees on separate32-seed diagnostics. [b44-a,b44-b]

b44-a only5120000..5120779(n780),vs RS2+.198902(.037079),STACK+.572953(.036424);5120780..5121999 unseen. Gas228616 fresh/228697 parity,0 errors. b44-b n0 fresh,5122000..5123999 untouched,CH unrun;valid=false means incomplete execution, not gas failure. Its32 diagnostics+.236076 vs RS2 are not confirmation. Agreement on bytes/parity does not complete either required full confirmation. Do not sum component gains or compare union with toxicity on different blocks as a paired result. Four source failures per union input qualify external generator reproducibility. [b44-a,b44-b]

## Head gas and learned policies

b45-a checked int256/WAD memory-array heads peak215663(8-8-2),227348(10-12-2),242794(12-16-2);0 OOG but largest fails235k recommendation. Only40 seeds for smaller arms,100 largest vs512 intended. Recommend conservative8-8-2,10-12-2 conditional on more testing.195–207 gas/MAC is a different-policy-maxima estimate, not universal marginal cost. Feature prose duplicates silence in12-input list;embedded generator needed to disambiguate. Kernel419/423/427 cases match integer references;8-call sequences store returned fees. [b45-a]

b45-b different Q1024 head clamps inputs/activations4096,fees5–105bps.512 seeds736100..736611 peak203826/206326/209891;largest init243143,afterSwap margin25109 below235k. Recommends12-16-2 for exact fixtures. Different hashes,normalization,arithmetic,fees and paths explain disagreement with a. Kernel787/1559/4635,helper143,directed state134/arm,zero-prior-fee stress162/arm pass;all features live,hidden units reach both clamps,estimator slots and returned/stored fees agree,no errors. Accumulator bounds<2^26;no coefficient storage/init writes. Neither study proves learned performance or safety after retraining. Host/callback differences confound throughput comparisons. [b45-a,b45-b]

b46-a replaces fee mapping with10-8-2,106 parameters. Native distillation52729 rows from8 seeds,3 diagonal CMA generations/pop4. Distilled start wins selection but loses final-40.546598(SE.979824,n512),retail-12.514469/arb-28.032129,gas204004,0 OOG. Two Python traces discarded;first native encoder produced3 over-cap bad_returns,hash rejected. Later rational-constant misalignment corrupted6 capped payloads;interrupted ES discarded before recheck/final,then repaired by typed integer division/assertions. Final zero errors must not erase these rejected instrumentation failures. Native teacher uses7-bit features,bucket-midpoint labels,perturbed returned quotes and final-step snapshots only, not unmodified full-trade trace data. CH repeated after report serialization failure,no failed mean observed. Recheck distilled-40.237605 vs gen1-43.667113;monitor excluded from CMA/ranking/final selection. [b46-a]

b46-b residual on RS2 fees rather than replacement,zero-output initialization/no distillation,merged silence/position,simplified sep-CMA-style updates and hand-retuned sigma.8 member evaluations/2generations,recheck64 vs256,final128 vs512. Neutral monitor0;frozen loses-.869901(.055481),retail-1.899213/arb+1.029312,gas220613,0 OOG. Smaller loss is not improvement. [b46-b]

b46-c replacement10-8-2 hardtanh trained702567 approximate Python-replay rows/60seeds, not native Rust traces. Bid/ask correlation.973479/.981110 does not preserve profit.4 diagonal CMA generations/pop8 fail to beat distilled gen0 on recheck;final-18.962613(.686478,n512),retail-5.320728/arb-13.641885,gas218095,0 OOG. Missing size/side and replay mismatch are possible explanations, not measured causes. None of b46 tests STACK or>=5m seeds. These short negative searches reject frozen candidates, not the whole neural-head family. [b46-a,b46-b,b46-c]

Retain small measured improvements and the stronger toxicity evidence;retain RS2 over losing active anchor/surge variants,public files and learned candidates. Full union confirmation and any further mechanism exploration remain future work. No promotion or top10 claim is supported. [Evidence above]

## Exact retained records

Each JSON block cites its input ID. Terminal n/mean/SE/worst,components,hashes and gas are retained without rounding. To fit64 KB,this merge explicitly condenses Solidity bodies,generators,harness/setup/reproduction scripts,weight/checkpoint matrices,optimizer member logs,per-seed arrays,duplicate arm/callback counters and repeated prose. Their omission is not independent validation. Search departures,ablations,rejected attempts,disagreements and missing values are preserved above/below. b40-a/b duplicate public data is consolidated at b's precision. Original source identity remains in the register;no missing measurement is invented.

### b35-c

```json
{"sha256":"ef486e300c56a8f5c3990a134ec35beec98263fdfbd578397c2c29574a42cf0c","params":{"g":0.5,"c_bps":3,"m_bps":3},"held_out":{"comparator":"RS2","seed_start":974000,"seed_end":974511,"n":512,"mean_diff":0.10672709108623302,"se":0.017976469621765863,"worst":[{"seed":974204,"d":-1.467038717679202},{"seed":974097,"d":-1.412599418878699},{"seed":974290,"d":-1.1446716689056302},{"seed":974197,"d":-1.0540979367962109},{"seed":974005,"d":-0.963545553320273}],"valid":true},"paired":{"n":2000,"mean_diff":0.46142543424383803,"se":0.014421981194200304,"worst":[{"seed":5831523,"d":-2.8535843006764026},{"seed":5830295,"d":-2.504735871013281},{"seed":5831063,"d":-1.803563135098102},{"seed":5830603,"d":-1.7869122000541893},{"seed":5831380,"d":-1.5907545222888757}]},"retail_edge_delta":{"mean":0.041726926139538656,"se":0.01823346933036899},"arb_edge_delta":{"mean":0.06500016494669236,"se":0.006814204380471846},"stack_confirmation":{"seed_start":5830000,"seed_end":5831999,"paired":"same as top-level paired","retail_edge_delta":{"mean":0.4351998569434834,"se":0.014520802628976544},"arb_edge_delta":{"mean":0.026225577300355102,"se":0.006463521049365987},"gas":{"max_ok":229745,"init_max_ok":243134,"oog":0,"other_halts":0},"stack_gas":{"max_ok":211588,"init_max_ok":220962,"oog":0,"other_halts":0},"valid":true},"gas":{"max_ok":229745,"init_max_ok":243134,"oog":0,"other_halts":0,"valid":true},"references":{"top_paired":"STACK","top_components":"RS2"}}
```

### b36-a

```json
{"sha256":"9faa3bed57343f00c5bde9f0baf59e0f9edc41bfe50a2bd66760a0a22989c511","params":{"w":0.125,"k":2.0,"variant":"stale"},"held_out":{"baseline":"RS2","start":979000,"n":512,"mean_diff":-0.27162299627774633,"se":0.01829723438768289,"worst":[{"seed":979438,"d":-2.0116644163967408},{"seed":979511,"d":-1.9348671849007815},{"seed":979091,"d":-1.7343920682906173},{"seed":979352,"d":-1.7318582335908559},{"seed":979220,"d":-1.675043574781057}]},"retail_edge_delta":{"mean":0.3932410455751616,"se":0.013320492883108912},"arb_edge_delta":{"mean":-0.6648640418529073,"se":0.01706246459583475},"stack_confirmation":{"start":6840000,"paired":{"n":2000,"mean_diff":0.027966466474600424,"se":0.01688668136107633,"worst":[{"seed":6841840,"d":-4.8105832379596905},{"seed":6841066,"d":-4.097061379016395},{"seed":6841929,"d":-3.704932749166403},{"seed":6840515,"d":-3.547576721022665},{"seed":6840092,"d":-3.2132574234873346}]},"retail_edge_delta":{"mean":0.7441394476814044,"se":0.014836170649963577},"arb_edge_delta":{"mean":-0.716172981206804,"se":0.01103237707198562},"gas":{"max_ok":203598,"init_max_ok":243106,"oog":0,"other_halts":0},"baseline_gas":{"max_ok":213557,"init_max_ok":220962,"oog":0,"other_halts":0},"valid":true},"gas":{"max_ok":203598,"init_max_ok":243106,"oog":0,"other_halts":0,"search_and_recheck":{"max_ok":203553,"init_max_ok":243106,"oog":0,"other_halts":0}},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b36-b

```json
{"sha256":"77854865f5d508eccf04acd0bfb002c691b78b2976535d9853f3c9ce79d59def","params":{"w":0.02,"k":8.0,"variant":"stale"},"held_out":{"baseline":"RS2","start":984000,"end":984511,"n":512,"mean_diff":0.010680318700312053,"se":0.0045935417204528775,"worst":[{"seed":984248,"d":-1.062841362501615},{"seed":984113,"d":-0.48356037447581457},{"seed":984027,"d":-0.2833615013633448},{"seed":984378,"d":-0.275000179641097},{"seed":984116,"d":-0.24602700680168255}],"valid":true,"candidate_gas":{"max_ok":205326,"init_max_ok":243099,"oog":0,"other_errors":0},"baseline_gas":{"max_ok":202221,"init_max_ok":243099,"oog":0,"other_errors":0}},"paired":{"n":2000,"mean_diff":0.3414987100538211,"se":0.013778393364032413,"worst":[{"seed":5800821,"d":-2.355975357942725},{"seed":5800086,"d":-2.0327169026475076},{"seed":5800091,"d":-1.8936418760581546},{"seed":5801995,"d":-1.572894681132766},{"seed":5801259,"d":-1.5399395661156632}]},"retail_edge_delta":{"mean":0.05638009267703592,"se":0.004332639230810459},"arb_edge_delta":{"mean":-0.04569977397672369,"se":0.002630510613580636},"stack_confirmation":{"baseline":"STACK","start":5800000,"end":5801999,"paired":"same as top-level paired","retail_edge_delta":{"mean":0.42750796184198875,"se":0.013663013345304122},"arb_edge_delta":{"mean":-0.08600925178816633,"se":0.00616713255836572},"candidate_gas":{"max_ok":204980,"init_max_ok":243099,"oog":0,"other_errors":0},"stack_gas":{"max_ok":213581,"init_max_ok":220962,"oog":0,"other_errors":0},"valid":true},"gas":{"max_ok":205326,"init_max_ok":243099,"oog":0,"other_errors":0},"references":{"top_paired":"STACK","top_components":"RS2"}}
```

### b37-a

```json
{"sha256":"9f9c5b4524cc8023de82cc55be34ab64af2c5c2001fa4dfccc0c1a0f00fe401e","params":{"a":0.25,"k":4,"gain":32},"held_out":{"baseline":"RS2","seeds":[989000,989511],"n":512,"mean_diff":0.5088548750349049,"se":0.026955547530927597,"worst":[{"seed":989364,"d":-2.273650116076965},{"seed":989179,"d":-1.291316709736293},{"seed":989026,"d":-1.2518806367831985},{"seed":989328,"d":-1.2341587509985743},{"seed":989208,"d":-1.1092199686360118}],"valid":true},"retail_edge_delta":{"mean":0.513390675570966,"se":0.02700951920131768},"arb_edge_delta":{"mean":-0.004535800536059481,"se":0.018317509048345094},"gas":{"max_ok":202817,"init_max_ok":243099,"oog":0,"rejected_evaluations":0,"revert":0,"other_halt":0,"tx_error":0,"bad_return":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b37-b

```json
{"sha256":"8fd9c0118ad132be7f077b2277cecdd4fa785faafdc1a35edae06b02aaa408fa","params":{"a":0.0,"k":8.0,"gain":64.0},"held_out":{"reference":"RS2","seeds":[994000,994511],"n":512,"mean_diff":0.3053162324788391,"se":0.03415373327286404,"worst":[{"seed":994083,"d":-2.1953896726931816},{"seed":994128,"d":-2.0751560221143563},{"seed":994433,"d":-2.0194745551781352},{"seed":994114,"d":-1.883641621756965},{"seed":994245,"d":-1.8276814329824447}],"valid":true,"frozen_before_held_out":true},"retail_edge_delta":{"mean":-1.8896580209702858,"se":0.03699503084968884},"arb_edge_delta":{"mean":2.194974253449122,"se":0.028873468704483488},"gas":{"max_ok":200640,"init_max_ok":243099,"oog":0,"revert":0,"other_halt":0,"tx_error":0,"bad_return":0,"search_all_evaluations_max_ok":200253,"search_all_evaluations_oog":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b38-a

```json
{"sha256":"340b3e6215c334764c8cdb502ff9490c3ae53048bceaab32f49e66d6cda528d7","params":{"d":0.95,"w_tox":0.5,"w_stale":0.0,"cubic_coef":5.0,"neutral":"w_tox=w_stale=cubic_coef=0 returns RS2 source unchanged"},"held_out_vs_RS2":{"seeds":"999000..999127 (128 of the briefed 512; reduced for time)","n":128,"mean_diff":0.2833641275341203,"se":0.05739696785810184,"worst5":[{"seed":999017,"d":-2.019},{"seed":999037,"d":-1.048},{"seed":999023,"d":-0.74},{"seed":999009,"d":-0.713},{"seed":999125,"d":-0.661}]},"retail_edge_delta":null,"arb_edge_delta":null,"gas":{"max_ok":223451,"init_max_ok":243103,"oog":0,"halts":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b38-b

```json
{"sha256":"d8501ff2a2b9307ba02e137ad90ece8e644b9c42fb17071d2f947349688d5ea0","params":{"d":0.514774297777619,"w_fee":0.0,"w_stale":0.04914799038694663,"c3_cubic_coef":7.3176636781077855},"held_out":{"seeds":"649400..649911","n":512,"mean_diff":0.12644215406797144,"se":0.030462302159182962,"worst":[{"seed":649893,"d":-7.4289583791663745},{"seed":649512,"d":-4.358782553198694},{"seed":649505,"d":-3.7660013731500612},{"seed":649666,"d":-3.4586018062191215},{"seed":649795,"d":-2.8723528474514524}],"rs2_sha256":"f24b6ca198b744c380842c3a17964a6dc21f311bb04984b26733afa3fee8eaf2"},"retail_edge_delta":{"mean":-0.23745044524708847,"se":0.032824425529109906},"arb_edge_delta":{"mean":0.3638925993150621,"se":0.015633969386306353},"gas":{"max_ok":226113,"init_max_ok":243099,"oog":0,"other_halts_reverts_errors":0,"rs2_max_ok_same_seeds":202398,"search_max_ok_over_all_evals":223839,"search_halts_total":0},"ablation_held_out":{"cubic_only_vs_rs2":{"params":{"d":0.514774297777619,"w_fee":0,"w_stale":0,"c3":7.3176636781077855},"n":512,"mean_diff":0.10818400657545613,"se":0.0286364929135403,"worst":[{"seed":649893,"d":-7.277598701738839},{"seed":649512,"d":-4.144625264222441},{"seed":649505,"d":-3.8712288896384734},{"seed":649666,"d":-3.1157321384778243},{"seed":649836,"d":-2.7485953139328103}],"retail_edge_delta":{"mean":-0.4332059988635747,"se":0.031266791194369224},"arb_edge_delta":{"mean":0.5413900054390324,"se":0.015105816294720058},"gas_max_ok":225861},"frozen_vs_cubic_only":{"n":512,"mean_diff":0.01825814749251531,"se":0.010520607583777358,"worst":[{"seed":649628,"d":-0.9455186029081233},{"seed":649701,"d":-0.8873982851484925},{"seed":649795,"d":-0.6946705452535298},{"seed":649903,"d":-0.6425057991306176},{"seed":649672,"d":-0.6250772179258774}]}},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b39-a

```json
{"sha256":"03f2991d797ea6a38bff79dbe67625866dd536eb4015903062bc1739b765f0bf","params":{"n":6,"b":2,"r":0.25,"G":2},"held_out":{"baseline":"RS2","seeds":[659400,659911],"n":512,"mean_diff":-0.03720859638420837,"se":0.011712129572383543,"worst":[{"seed":659623,"d":-3.161472518950518},{"seed":659436,"d":-1.6338733415856268},{"seed":659781,"d":-1.1046336007735817},{"seed":659446,"d":-0.9283530947300846},{"seed":659518,"d":-0.8819510202640686}],"valid":true},"retail_edge_delta":{"mean":-0.23310598543837235,"se":0.010803716632656073},"arb_edge_delta":{"mean":0.19589738905416243,"se":0.004627327553843282},"stack_confirmation":{"seeds":[5018000,5019999],"baseline":"STACK","paired":{"n":2000,"mean_diff":0.30648184609557894,"se":0.01396395421965462,"worst":[{"seed":5019916,"d":-1.8502006971542642},{"seed":5019491,"d":-1.8178667244561666},{"seed":5018879,"d":-1.7461383827569534},{"seed":5018856,"d":-1.7417550032117788},{"seed":5019279,"d":-1.7197791071915844}]},"retail_edge_delta":{"mean":0.14088533284283836,"se":0.013977968476983198},"arb_edge_delta":{"mean":0.16559651325274138,"se":0.006590603010975625},"candidate_gas":{"max_ok":225494,"init_max_ok":243084,"oog":0,"halts":{"revert":0,"other_halt":0,"tx_error":0,"bad_return":0}},"baseline_gas":{"max_ok":214029,"init_max_ok":220962,"oog":0,"halts":{"revert":0,"other_halt":0,"tx_error":0,"bad_return":0}},"valid":true},"gas":{"max_ok":225494,"init_max_ok":243084,"oog":0,"halts":{"revert":0,"other_halt":0,"tx_error":0,"bad_return":0},"afterSwap_reject_at":235000,"afterInitialize_reject_at":245000},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b39-b

```json
{"sha256":"c7a761eddb9fd935874022fc790787548c2dd4da20e7c655b50fc7a2954939da","params":{"n":5,"b_bps":0.42781456674493684,"r":0.5190201407927721,"G":3},"held_out":{"seeds":{"first":669400,"last":669911,"n":512},"baseline":"RS2","n":512,"mean_diff":-0.0032609272859467353,"se":0.004731368594997851,"worst":[{"seed":669784,"d":-0.46353628257918444},{"seed":669588,"d":-0.4236318781170212},{"seed":669465,"d":-0.3192911374206915},{"seed":669431,"d":-0.3135023982868006},{"seed":669909,"d":-0.31096765421523287}]},"retail_edge_delta":{"mean":-0.07097300077233282,"se":0.004882717528616717},"arb_edge_delta":{"mean":0.06771207348638641,"se":0.0016933363901145786},"gas":{"max_ok":222703,"init_max_ok":243090,"oog":0,"other_halts":0,"rs2_recheck_max_ok":200510},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b40-a

Public results duplicated by b40-b below. Additional RS2 gas32 max197184,gas256 max202386,initializer243099,OOG0. Rounded mean542.3652/533.7352.

### b40-b

```json
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```

### b41-a

```json
{"sha256":"014ad7bd0e6f412183ab5c0ee1560bbe30182b35b10f18d62464f1df0909cfca","seeds":{"first":5108000,"last":5109999,"n":2000,"inclusive":true,"fresh":true},"paired":{"n":2000,"mean_diff":0.11662226702047888,"se":0.013117332446878726,"worst":[{"seed":5109332,"d":-2.6856440825440586},{"seed":5108568,"d":-2.661641695907065},{"seed":5108913,"d":-2.3424897041254553},{"seed":5108450,"d":-2.153432114838097},{"seed":5109345,"d":-2.0561965453387074}]},"retail_edge_delta":{"mean":0.30036186787977737,"se":0.013289431704195252},"arb_edge_delta":{"mean":-0.18373960085929997,"se":0.006461674121726015},"vs_stack":{"paired":{"n":2000,"mean_diff":0.44048915765324387,"se":0.017439825218330703,"worst":[{"seed":5109332,"d":-3.031482161737813},{"seed":5108977,"d":-2.9793921490979756},{"seed":5109643,"d":-2.8042535168754057},{"seed":5109519,"d":-2.5976517446354137},{"seed":5108913,"d":-2.2176452077389968}]},"retail_edge_delta":{"mean":0.6701509573886844,"se":0.017253611485236985},"arb_edge_delta":{"mean":-0.22966179973544057,"se":0.008073321931545049}},"gas":{"max_ok":203135,"init_max_ok":243121,"oog":0,"other_halts":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b41-b

```json
{"sha256":"014ad7bd0e6f412183ab5c0ee1560bbe30182b35b10f18d62464f1df0909cfca","seeds":{"start":5110000,"end":5111999,"inclusive":true,"n":2000},"paired":{"n":2000,"mean_diff":0.11430012814132348,"se":0.01259620227660592,"worst":[{"seed":5110393,"d":-2.1638873586118166},{"seed":5111422,"d":-2.010847831381625},{"seed":5111734,"d":-1.9597996276498861},{"seed":5110385,"d":-1.9444276895953863},{"seed":5111413,"d":-1.7741021852783092}]},"retail_edge_delta":{"mean":0.3035056562756815,"se":0.012273310013507547,"n":2000},"arb_edge_delta":{"mean":-0.1892055281343567,"se":0.006420836501960257,"n":2000},"vs_stack":{"paired":{"n":2000,"mean_diff":0.4326617415841387,"se":0.016018464814032993,"worst":[{"seed":5110779,"d":-3.115284773603207},{"seed":5111216,"d":-2.428966438662769},{"seed":5111019,"d":-1.7063754613100173},{"seed":5110298,"d":-1.669915916443074},{"seed":5110209,"d":-1.635230367990971}]},"retail_edge_delta":{"mean":0.6712794037879084,"se":0.015822130731917662,"n":2000},"arb_edge_delta":{"mean":-0.2386176622037679,"se":0.007611986143929041,"n":2000}},"gas":{"max_ok":205159,"init_max_ok":243121,"oog":0,"other_halts":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b42-a

```json
{"sha256":"0c3836cd5bb7c39acec190a40c574bc02b4a2a302bb1a1fc6696178cecce2484","seeds":{"start":5112000,"end_inclusive":5113999,"n":2000,"fresh":true,"dropped":0},"paired":{"n":2000,"mean_diff":0.07577222859887692,"se":0.007722684463667234,"worst":[{"seed":5113497,"d":-2.771586070573562},{"seed":5112672,"d":-2.4755281795744963},{"seed":5113544,"d":-2.201725691949946},{"seed":5113550,"d":-1.9105404548480465},{"seed":5113144,"d":-1.7770377236594186}]},"retail_edge_delta":{"mean":-0.5190854379635137,"se":0.007867986678984732},"arb_edge_delta":{"mean":0.5948576665623903,"se":0.0030741691913193795},"vs_stack":{"paired":{"n":2000,"mean_diff":0.3997731772496744,"se":0.013588042212777625,"worst":[{"seed":5112472,"d":-2.7399187579233057},{"seed":5112610,"d":-2.7082925078003655},{"seed":5113424,"d":-2.677147625876273},{"seed":5112672,"d":-2.524133015525706},{"seed":5112476,"d":-2.3683564682644374}]},"retail_edge_delta":{"mean":-0.1545366780911999,"se":0.013810929956945587},"arb_edge_delta":{"mean":0.5543098553408753,"se":0.005973334989213075}},"gas":{"max_ok":204576,"init_max_ok":243118,"oog":0,"other_halts":0,"all_roles_any_error":false,"per_chunk_max_ok_afterSwap":204576},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b42-b

```json
{"sha256":"0c3836cd5bb7c39acec190a40c574bc02b4a2a302bb1a1fc6696178cecce2484","seeds":{"start":5114000,"end_inclusive":5115999,"n":2000,"fresh":true,"dropped":0},"paired":{"n":2000,"mean_diff":0.09474435068463763,"se":0.007578784618211659,"worst":[{"seed":5115646,"d":-1.6617875568277896},{"seed":5115896,"d":-1.625818630554818},{"seed":5115877,"d":-1.421940029638904},{"seed":5114839,"d":-1.355897977801419},{"seed":5115082,"d":-1.312547818432563}]},"retail_edge_delta":{"mean":-0.5021803191309208,"se":0.00806056232180646},"arb_edge_delta":{"mean":0.5969246698155587,"se":0.0034861832452768387},"vs_stack":{"paired":{"n":2000,"mean_diff":0.4166334926609356,"se":0.013714265097810046,"worst":[{"seed":5114551,"d":-6.44742022836158},{"seed":5114082,"d":-2.465950249785692},{"seed":5115340,"d":-2.133050489323864},{"seed":5115083,"d":-1.6594612140315803},{"seed":5115554,"d":-1.6448335553153584}]},"retail_edge_delta":{"mean":-0.1285504135270743,"se":0.01399226232597836},"arb_edge_delta":{"mean":0.5451839061880112,"se":0.0058794284524229775}},"gas":{"max_ok":203771,"init_max_ok":243118,"oog":0,"other_halts":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b43-a

```json
{"sha256":"ebd9de9bf6af6e55d5e308fd15dbb88edec11fd684891d02a30aec185acd19b3","seeds":{"start":5116000,"end":5117999,"inclusive":true,"n":2000,"fresh":true},"paired":{"n":2000,"mean_diff":0.3098639794175051,"se":0.017724992231982924,"worst":[{"seed":5117889,"d":-6.315827280445717},{"seed":5116111,"d":-5.839634133523418},{"seed":5116890,"d":-4.919412675564331},{"seed":5116547,"d":-3.8969971125339953},{"seed":5116546,"d":-3.1463994654919816}]},"retail_edge_delta":{"mean":-0.6942415511765455,"se":0.018791898492060484,"n":2000},"arb_edge_delta":{"mean":1.0041055305940518,"se":0.011513978815448652,"n":2000},"vs_stack":{"paired":{"n":2000,"mean_diff":0.6291869145639976,"se":0.01957239116807522,"worst":[{"seed":5116111,"d":-5.790743376714545},{"seed":5117889,"d":-5.551865951839318},{"seed":5117969,"d":-3.3738667636168884},{"seed":5117979,"d":-3.252098397101861},{"seed":5116019,"d":-3.214457739543832}]},"retail_edge_delta":{"mean":-0.3280506205121496,"se":0.02052276250945553,"n":2000},"arb_edge_delta":{"mean":0.9572375350761491,"se":0.013082377251495143,"n":2000}},"gas":{"max_ok":226178,"init_max_ok":243115,"oog":0,"other_halts":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b43-b

```json
{"sha256":"ebd9de9bf6af6e55d5e308fd15dbb88edec11fd684891d02a30aec185acd19b3","seeds":{"start":5118000,"end":5119999,"inclusive":true,"n":2000},"paired":{"n":2000,"mean_diff":0.23248104798117153,"se":0.019421388089029733,"worst":[{"seed":5119638,"d":-8.385647777370423},{"seed":5118349,"d":-6.991637055532806},{"seed":5119386,"d":-6.555743502035284},{"seed":5118922,"d":-5.927252838497111},{"seed":5119425,"d":-5.904889902296418}]},"retail_edge_delta":{"mean":-0.7606725218185182,"se":0.020944546046536887,"n":2000},"arb_edge_delta":{"mean":0.9931535697996903,"se":0.010862424244189699,"n":2000},"vs_stack":{"paired":{"n":2000,"mean_diff":0.5513217924638791,"se":0.020865348117831695,"worst":[{"seed":5118349,"d":-6.269215155379015},{"seed":5119425,"d":-6.24444322287593},{"seed":5119386,"d":-6.178377218911919},{"seed":5119835,"d":-4.832097917410124},{"seed":5119638,"d":-4.828017270009468}]},"retail_edge_delta":{"mean":-0.40029886118840713,"se":0.02229470008929952,"n":2000},"arb_edge_delta":{"mean":0.9516206536522865,"se":0.012575588989234589,"n":2000}},"gas":{"max_ok":225591,"init_max_ok":243115,"oog":0,"other_halts":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b44-a

```json
{"sha256":"64a233b9f2f7df836092797d15490b435818cf9a680386cde7d787102b902421","seeds":{"start":5120000,"end_inclusive":5120779,"n":780},"paired":{"n":780,"mean_diff":0.19890157528467742,"se":0.03707916182114838,"worst":[{"seed":5120166,"d":-7.2550272966645935},{"seed":5120329,"d":-5.850160586499783},{"seed":5120200,"d":-4.534495057084882},{"seed":5120374,"d":-4.397802609153246},{"seed":5120731,"d":-4.135962415093445}]},"vs_stack":{"paired":{"n":780,"mean_diff":0.5729534132476635,"se":0.03642423115603716,"worst":[{"seed":5120166,"d":-6.54806236875902},{"seed":5120302,"d":-4.985429799679196},{"seed":5120087,"d":-4.726360355196448},{"seed":5120329,"d":-4.273356085565069},{"seed":5120200,"d":-4.2363210374913365}]},"retail_edge_delta":{"mean":-0.746491746817483,"se":0.04077756442377857},"arb_edge_delta":{"mean":1.3194451600651476,"se":0.022141421668992235}},"gas":{"union":{"init_max_ok":243143,"max_ok":228616,"oog":0,"revert":0,"other_halt":0,"tx_error":0,"bad_return":0,"other_halts":0},"rs2":{"init_max_ok":243099,"max_ok":202398,"oog":0,"revert":0,"other_halt":0,"tx_error":0,"bad_return":0,"other_halts":0},"stack":{"init_max_ok":220962,"max_ok":213524,"oog":0,"revert":0,"other_halt":0,"tx_error":0,"bad_return":0,"other_halts":0}},"references":{"top_paired":"RS2","top_components":"RS2"},"vs_rs2":{"paired":{"n":780,"mean_diff":0.19890157528467742,"se":0.03707916182114838,"worst":[{"seed":5120166,"d":-7.2550272966645935},{"seed":5120329,"d":-5.850160586499783},{"seed":5120200,"d":-4.534495057084882},{"seed":5120374,"d":-4.397802609153246},{"seed":5120731,"d":-4.135962415093445}]},"retail_edge_delta":{"mean":-1.1743546643430198,"se":0.0404688934216256},"arb_edge_delta":{"mean":1.3732562396276957,"se":0.021144407059659087}}}
```

### b44-b

```json
{"sha256":"64a233b9f2f7df836092797d15490b435818cf9a680386cde7d787102b902421","seeds":{"fresh_requested":[5122000,5123999],"fresh_run":null,"parity_gas_check":[796100,796131]},"paired":{"n":0,"mean_diff":null,"se":null,"worst":null},"vs_stack":{"paired":{"n":0,"mean_diff":null,"se":null,"worst":null},"retail_edge_delta":null,"arb_edge_delta":null},"gas":{"union":{"max_ok":223509,"init_max_ok":243143,"oog":0,"other_halts":0,"limits_ok":true},"rs2":{"max_ok":197276,"init_max_ok":243099,"oog":0,"other_halts":0},"neutral_union":{"max_ok":220797,"init_max_ok":243109,"oog":0,"other_halts":0}},"references":{"top_paired":"RS2","top_components":"RS2"},"vs_rs2":{"paired":{"n":0,"mean_diff":null,"se":null,"worst":null},"retail_edge_delta":null,"arb_edge_delta":null}}
```

### b45-a

```json
{"architectures":[{"architecture":"RS2","file":"RS2.sol","sha256":"f24b6ca198b744c380842c3a17964a6dc21f311bb04984b26733afa3fee8eaf2","inputs":null,"hidden":null,"weights":null,"biases":null,"MACs":"0","deployed_bytes":"9822","seeds":"726100..726139","n_seeds":"40","gas":{"max_ok":"202387","mean_ok":"117940","calls":"409914","init_max_ok":"243099","oog":"0","other_halts":"0"},"valid":true},{"architecture":"skeleton","file":"skeleton.sol","sha256":"2e7731d6fdc0b96c783b38fb14dcdf17b03470acd6cff306cf05ae4ba55527cf","inputs":null,"hidden":null,"weights":null,"biases":null,"MACs":"0","deployed_bytes":"8119","seeds":"726100..726139","n_seeds":"40","gas":{"max_ok":"199093","mean_ok":"106123","calls":"454192","init_max_ok":"243084","oog":"0","other_halts":"0"},"valid":true},{"architecture":"8-8-2","file":"head_8_8_2.sol","sha256":"b3b1f0367f43bc6729a8feee6739d254e8c4c4e894dad386cd1a446c614a3587","inputs":"8","hidden":"8","weights":"80","biases":"10","MACs":"80","deployed_bytes":"12075","seeds":"726100..726139","n_seeds":"40","gas":{"max_ok":"215663","mean_ok":"134951","calls":"345465","init_max_ok":"243081","oog":"0","other_halts":"0"},"valid":true,"gas_per_MAC_over_skeleton_max":"207.1"},{"architecture":"10-12-2","file":"head_10_12_2.sol","sha256":"6a39c8b1ee9b6420e1aae979882026595a112a3da295fdbf60d25b8e003c6b31","inputs":"10","hidden":"12","weights":"144","biases":"14","MACs":"144","deployed_bytes":"14701","seeds":"726100..726139","n_seeds":"40","gas":{"max_ok":"227348","mean_ok":"140519","calls":"458741","init_max_ok":"243093","oog":"0","other_halts":"0"},"valid":true,"gas_per_MAC_over_skeleton_max":"196.2"},{"architecture":"12-16-2","file":"head_12_16_2.sol","sha256":"e20a107ac7b14207fc97f08c4049ae4b55301fb331b308625a11d0fe9193d66f","inputs":"12","hidden":"16","weights":"224","biases":"18","MACs":"224","deployed_bytes":"18311","seeds":"726100..726199","n_seeds":"100","gas":{"max_ok":"242794","mean_ok":"156724","calls":"1156460","init_max_ok":"243103","oog":"0","other_halts":"0"},"valid":false,"gas_per_MAC_over_skeleton_max":"195.1"}],"throughput":{"RS2_s_per_seed":"1.72","skeleton":"1.62","8-8-2":"1.96","10-12-2":"2.87","12-16-2":"3.50","note":"wall seconds per seed incl. Vanilla, 8 threads, 16-core host; heads with random weights also changed trade counts"}}
```

### b45-b

```json
{"architectures":[{"name":"RS2","inputs":null,"hidden":null,"outputs":2,"weights":0,"biases":0,"MACs":0,"source_sha256":"f24b6ca198b744c380842c3a17964a6dc21f311bb04984b26733afa3fee8eaf2","creation_bytes":9850,"deployed_bytes":9822,"gas":{"max_ok":202492,"init_max_ok":243099,"oog":0,"other_halts":0},"n":512,"valid":true,"static_policy_valid":true,"state_test_max_ok":147398,"zero_prior_fee_stress_max_ok":169745,"runtime_opcode_counts":{"MUL":70,"SLOAD":17,"SSTORE":25}},{"name":"skeleton","inputs":null,"hidden":null,"outputs":2,"weights":0,"biases":0,"MACs":0,"source_sha256":"943ef987638a5f55a3cf11a03288cc3f850ac71d022fecb973ac832fe9d7ebe1","creation_bytes":8150,"deployed_bytes":8122,"gas":{"max_ok":193572,"init_max_ok":243084,"oog":0,"other_halts":0},"n":512,"valid":true,"static_policy_valid":true,"state_test_max_ok":140811,"zero_prior_fee_stress_max_ok":183407,"runtime_opcode_counts":{"MUL":48,"SLOAD":17,"SSTORE":25}},{"name":"head_8_8_2","inputs":8,"hidden":8,"outputs":2,"weights":80,"biases":10,"MACs":80,"source_sha256":"53f7f3676fcc39f9b107d81d0b080035d81b36852f7547d34fcc0732c8a1134a","creation_bytes":9809,"deployed_bytes":9781,"gas":{"max_ok":203826,"init_max_ok":243099,"oog":0,"other_halts":0},"n":512,"parameters":90,"valid":true,"static_policy_valid":true,"state_test_max_ok":148113,"zero_prior_fee_stress_max_ok":188010,"runtime_opcode_counts":{"MUL":131,"SLOAD":17,"SSTORE":25}},{"name":"head_10_12_2","inputs":10,"hidden":12,"outputs":2,"weights":144,"biases":14,"MACs":144,"source_sha256":"04bf7d616e0c6839dcdeab3801361cd28d0f3c9edab1452dc432e93db9b55897","creation_bytes":10728,"deployed_bytes":10700,"gas":{"max_ok":206326,"init_max_ok":243106,"oog":0,"other_halts":0},"n":512,"parameters":158,"valid":true,"static_policy_valid":true,"state_test_max_ok":150734,"zero_prior_fee_stress_max_ok":190597,"runtime_opcode_counts":{"MUL":197,"SLOAD":17,"SSTORE":25}},{"name":"head_12_16_2","inputs":12,"hidden":16,"outputs":2,"weights":224,"biases":18,"MACs":224,"source_sha256":"4e678577ad9d2e0b2dc6b2b8eb0753ed79d3f31c7873c3817db1b950967b7dd7","creation_bytes":12494,"deployed_bytes":12466,"gas":{"max_ok":209891,"init_max_ok":243143,"oog":0,"other_halts":0},"n":512,"parameters":242,"valid":true,"static_policy_valid":true,"state_test_max_ok":154381,"zero_prior_fee_stress_max_ok":194202,"runtime_opcode_counts":{"MUL":277,"SLOAD":17,"SSTORE":25}}],"throughput":{"workers":8,"note":"Elapsed wall time includes run_batch, result extraction, gas collection, JSON checkpoint writing and collection overhead; excludes compilation. Architecture tests use different market paths.","arms":[{"name":"RS2","seconds":113.5623005121015,"seeds_per_second":4.508538464712062,"afterSwap_calls":5258400,"afterSwap_calls_per_second":46304.09895086311,"mean_afterSwap_gas":117918.21524075765},{"name":"skeleton","seconds":128.05650719394907,"seeds_per_second":3.998234929401487,"afterSwap_calls":8155091,"afterSwap_calls_per_second":63683.53454814004,"mean_afterSwap_gas":102629.27462293186},{"name":"head_8_8_2","seconds":126.92550160293467,"seeds_per_second":4.033862332895929,"afterSwap_calls":6298856,"afterSwap_calls_per_second":49626.40226315531,"mean_afterSwap_gas":115412.4178908043},{"name":"head_10_12_2","seconds":141.77981849201024,"seeds_per_second":3.6112332872598008,"afterSwap_calls":6680659,"afterSwap_calls_per_second":47119.95734693706,"mean_afterSwap_gas":115119.11628358818},{"name":"head_12_16_2","seconds":85.86747819418088,"seeds_per_second":5.962676565884027,"afterSwap_calls":2851242,"afterSwap_calls_per_second":33205.144252078724,"mean_afterSwap_gas":132457.97792821514}]}}
```

### b46-a

```json
{"sha256":"fdb604548ae09fbc40a1496828137dc7fa147e0c1387915e2bef7997c8e2655a","seeds":{"distill":{"first":746100,"last":746107,"n":8},"train_allowed":[746100,748719],"native_training_blocks":[{"first":746108,"last":746171,"n":64},{"first":746172,"last":746235,"n":64},{"first":746236,"last":746299,"n":64}],"training_candidate_runs":13,"training_candidate_seed_evaluations":832,"monitor":{"first":748800,"last":748863,"n_per_checkpoint":64,"checkpoints":3},"recheck":{"first":749000,"last":749255,"n_per_checkpoint":256,"checkpoints":2},"final":{"first":749400,"last":749911,"n":512,"selected_hash_runs":1},"probe":{"first":749950,"last":749981,"n":32},"any_seed_ge_5000000":false,"calibration":{"first":0,"last":999,"n_per_attempt":1000,"attempts":2}},"paired":{"n":512,"mean_diff":-40.546597904569865,"se":0.9798243554438509,"worst":[{"seed":749818,"d":-176.16091254171351},{"seed":749580,"d":-145.47677664434457},{"seed":749797,"d":-143.84502244795726},{"seed":749769,"d":-140.02244458586472},{"seed":749617,"d":-122.03561167909834}]},"retail_edge_delta":{"mean":-12.514468830217996,"se":0.12164870942498618},"arb_edge_delta":{"mean":-28.032129074351865,"se":0.9655247530675086},"gas":{"max_ok":204004,"init_max_ok":243109,"oog":0,"other_halts":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b46-b

```json
{"sha256":"4d0afd2cc3de80357c309f6315653ea368ab571a53660473b726dc45c7fcacb0","seeds":{"train_blocks":[[756100,756163],[756164,756227]],"monitor":[758800,758863],"recheck":[759000,759063],"final":[759400,759527],"probe":[759950,759981]},"paired":{"n":128,"mean_diff":-0.8699008167324727,"se":0.05548089615836006,"worst":[{"seed":759468,"d":-2.525522202658067},{"seed":759504,"d":-2.221350996142405},{"seed":759413,"d":-2.2146143116355006},{"seed":759516,"d":-2.169343537284476},{"seed":759467,"d":-2.1015292762155013}]},"retail_edge_delta":{"mean":-1.8992130131860008,"se":0.06037611666496577},"arb_edge_delta":{"mean":1.0293121964535272,"se":0.01766489177536228},"gas":{"max_ok":220613,"init_max_ok":243106,"oog":0,"other_halts":0,"probe_max_ok":217643},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

### b46-c

```json
{"sha256":"a0215776ff2f7e2d5b84d113dd2718e06732d13b1675cdbf110d4bdaf0014e19","seeds":{"final":[769400,769911],"n":512,"recheck":[769000,769255],"monitor":[768800,768863],"es_blocks":[766200,766455],"distill_traces":[766100,766159],"gas_probe":[769950,769969],"none_ge_5000000":true},"paired":{"n":512,"mean_diff":-18.962612670904427,"se":0.6864779293865971,"worst":[{"seed":769436,"d":-117.68898277849928},{"seed":769543,"d":-100.81911897096256},{"seed":769865,"d":-73.43544131791185},{"seed":769442,"d":-73.31821138624827},{"seed":769747,"d":-69.48624744272547}]},"retail_edge_delta":{"mean":-5.320727545946966,"se":0.11195377895944253},"arb_edge_delta":{"mean":-13.641885124957458,"se":0.6783163871392797},"gas":{"max_ok":218095,"init_max_ok":243084,"oog":0,"other_halts":0,"probe":"random nonzero 10-8-2 weights on seeds 769950..769969: afterSwap max_ok 205300, init 243084, oog 0","es_all_members_max_ok":221078,"es_oog_total":0},"references":{"top_paired":"RS2","top_components":"RS2"}}
```

## Selection controls and additional retained diagnostics

b38-a did **not** complete the requested 998000..998255 top-three recheck: only the RS2 arm finished, so it froze the search-best setting on one 64-seed block. Its shortened final block and missing decomposition therefore have weaker selection evidence than b38-b. Neutral controls were reported equal to RS2: b35-c on974600..974631; b36-a on979600..979631; b36-b on984600..984631; b38-a on999600..999631; b38-b forced sticky path on649950..649981; b39-a on659950..659981; b39-b on669950..669981. Arb-skew neutral settings a=1,k=None,gain=1 matched edge and components despite changed source metadata. [b35-c,b36-a,b36-b,b37-a,b37-b,b38-a,b38-b,b39-a,b39-b]

Recheck summaries below preserve candidate parameters and paired means/SE without repeating five-worst/callback material. All are vs RS2. The 256-seed blocks were973000(b35-c),978000(b36-a),983000(b36-b),988000(b37-a),993000(b37-b),649000(b38-b),659000(b39-a),669000(b39-b),749000(b46-a),769000(b46-c). b46-b instead used759000..759063 (n64). None of these rechecks is the fresh goal confirmation. [Named inputs]

- [b35-c] [{"params":{},"paired":{"n":256,"mean_diff":0.07824277047895256,"se":0.028541960010209984}},{"params":{},"paired":{"n":256,"mean_diff":0.0828341214161723,"se":0.027847702444071417}},{"params":{},"paired":{"n":256,"mean_diff":0.1255154907063163,"se":0.025532423039148888}}]
- [b36-a] [{"paired":{"n":256,"mean_diff":-0.31378014788908226,"se":0.08338106048783332},"params":{}},{"paired":{"n":256,"mean_diff":-0.4477880069190756,"se":0.08930813878179826},"params":{}},{"paired":{"n":256,"mean_diff":-0.4765469659974424,"se":0.09863697545234948},"params":{}}]
- [b36-b] [{"params":{},"paired":{"n":256,"mean_diff":-0.032997708075606536,"se":0.011869592887496895}},{"params":{},"paired":{"n":256,"mean_diff":-0.03542204769654833,"se":0.0074119841045215806}},{"params":{},"paired":{"n":256,"mean_diff":-0.008369050800080435,"se":0.006280990788244664}}]
- [b37-a] [{"params":{"gain":32},"paired":{"n":256,"mean_diff":0.4611025465673322,"se":0.038424998994735046}},{"params":{"gain":32},"paired":{"n":256,"mean_diff":0.3697911565973391,"se":0.034132797809099745}},{"params":{"gain":16},"paired":{"n":256,"mean_diff":0.1963716954987087,"se":0.04244022335314634}}]
- [b37-b] [{"params":{"gain":64.0},"paired":{"n":256,"mean_diff":0.3206445025592368,"se":0.050455137650273256}},{"params":{"gain":16.0},"paired":{"n":256,"mean_diff":0.26088588173950256,"se":0.02719992692578005}},{"params":{"gain":4.0},"paired":{"n":256,"mean_diff":0.13464950758224425,"se":0.0211478484310594}}]
- [b38-b] [{"p":[0.5037992647980342,0.15916177240033247,0.0,8.442088111149674],"search_score":0.22956366686050966,"n":256,"mean_diff":0.08233589379852191,"se":0.04478390843091716},{"p":[0.5331740700353155,0.0,0.058377351221173754,6.132516090921386],"search_score":0.19156992696371145,"n":256,"mean_diff":0.08719477988731894,"se":0.04001820824793229},{"p":[0.514774297777619,0.0,0.04914799038694663,7.3176636781077855],"search_score":0.17522021499164264,"n":256,"mean_diff":0.1235451484528085,"se":0.04255101764153033}]
- [b39-a] [{"params":[5,2,0.5,6],"paired":{"n":256,"mean_diff":-0.04863751917195791,"se":0.016524907230198983}},{"params":[5,2,0.25,8],"paired":{"n":256,"mean_diff":-0.049285666847256104,"se":0.016582439512760644}},{"params":[6,2,0.25,2],"paired":{"n":256,"mean_diff":-0.023129404421867505,"se":0.01175490378848943}}]
- [b39-b] [{"params":[5,0.6426114393324349,0.6172238665248221,6],"search_mean_diff":0.04537362198128303,"search_se":0.01839048597412393,"n":256,"mean_diff":-0.0039590582667166085,"se":0.008248813006648146},{"params":[5,0.42781456674493684,0.5190201407927721,3],"search_mean_diff":0.029826986553027623,"search_se":0.012931344018431162,"n":256,"mean_diff":-0.000503628777101861,"se":0.006454037445852831},{"params":[4,0.7950710414693041,0.8011132718473855,6],"search_mean_diff":0.022656114312909814,"search_se":0.025171185829733073,"n":256,"mean_diff":-0.0009508045187436309,"se":0.013914250741305397}]
- [b46-a] [{"paired":{"n":256,"mean_diff":-40.237605299068434,"se":1.4836561482691601},"n":256,"generation":-1},{"paired":{"n":256,"mean_diff":-43.66711266104423,"se":1.4541582997705231},"n":256,"generation":1}]
- [b46-b] [{"gen":1,"i":3,"gain":-0.9506184380694362,"se":0.08736626774818981,"n":64},{"gen":1,"i":0,"gain":-1.086412588287768,"se":0.08417864834484677,"n":64}]
- [b46-c] [{"gen":0,"paired":{"n":256,"mean_diff":-19.446476893468407,"se":0.970084771379569}},{"gen":3,"paired":{"n":256,"mean_diff":-20.315273292775302,"se":1.0179838591313792}}]

b46-a final extra gas probe749950..749981:paired-42.59236301939834(SE4.456455969357538,n32),retail-12.476031155242339,arb-30.116331864155995,max198766/init243109,OOG0. Its arbitrary nonzero-weight probe passed before ES,max198799/init243115,OOG0. Its final initialization used native traces only, not the discarded Python prototypes. Its search took602.504922068998s of720s,13 candidate evaluations including the distilled start,832 candidate-seed evaluations. [b46-a]

b46-c recheck favored gen0 over gen3;monitor gains for gen0..4 were-21.300187768854883,-27.27867349506553,-23.835527065613757,-22.31923197607088,-23.60351427584967 on64 seeds768800..768863. Its32 ES members had max221078,OOG0;random nonzero probe769950..769969 max205300/init243084,OOG0;search elapsed733.2365038394928s. b46-b monitor was0 then-1.3347011728636895(SE.1100737930990517);recheck chose a negative member despite neutral start,so it cannot be presented as an optimizer improvement. [b46-b,b46-c]

Additional feature/fit qualifications: b46-a inputs include signed trade side but no explicit trade size;features quantized7bits,labels in2**43-WAD-unit buckets,teacher returned fees slightly perturbed. Full-fit MSE.027421101964093114 fee units,MAE5.783142011578153bps. b46-b uses signed side,merges step-position/silence,and adds a bounded residual of at most10bps per side after a ReLU hidden layer clamped0..4. b46-c uses clamped normalized price gaps,arb probability,sigma,rate,size,toxicity,direction state,position,silence,with no trade size/side;bid/ask RMSE1065.6818725150001/849.2784092621321 in1e-6 fee units. These differing feature sets and trace distributions prevent treating their outcomes as replicated tests of identical heads. [b46-a,b46-b,b46-c]

## Source register

Input hashes are SHA-256 of full JSON bytes, not embedded code. Original path is `artifacts/goal/batches/<batch>/items/<item>/result.json`.

|ID|Batch/item|Input SHA-256|
|---|---|---|
|b35-c|e08-vanilla-quote/c|`6784e773017398d6ed2f9011bfe9601c1669e21567759f04f692c46a6bfa2e05`|
|b36-a|e08-dual-anchor/a|`c5d08058b4a023b61fe67d351a7d567903bc3337b8212f5ae13814c8cf2556f4`|
|b36-b|e08-dual-anchor/b|`44f72cc417523a9c8fc6b59ebd47bc1c1ebf35dc5d45849e40aea92dcbc7aeff`|
|b37-a|e08-arb-skew/a|`82aa583bf73126cb5c1a4e934c3ee4021848b8b15938f7f9dfbbf129ea694c5c`|
|b37-b|e08-arb-skew/b|`d5e1812f8372c75f8d721f54df57747166b95dbfc588979e494be22b1469b32f`|
|b38-a|e08-sticky-dev/a|`1f8470e35dd963b0bdc1454300e0765b0f97121498a70cc34a431b8be01cfdff`|
|b38-b|e08-sticky-dev/b|`5f986da38d504fca27e1d59705c613c6c9724e931af6cc86bb6439569b416d41`|
|b39-a|e08-arb-surge/a|`20fe417ea68752372a6d003da0de1e073ade94c6b1c56da59e73a9ee35117cdd`|
|b39-b|e08-arb-surge/b|`2a85e188cbef7ef39a97a9b23345520b0dbd502a3f5036b9ba86c00ed97bfac7`|
|b40-a|e08-public-measure/a|`aef27d4961b6ad2006d5cf8e448abf68038fb8deee8f34ba5501ea77c798f1d0`|
|b40-b|e08-public-measure/b|`ed7e47920d5cfcb01dc8ec949333daf0ebd659d03a516e1500953e69b6ce6cc7`|
|b41-a|e09-confirm-sigma/a|`734526bd5957cbe3b3bc137e8c2a263624d324bfed184a1ffbfffd71b69e876a`|
|b41-b|e09-confirm-sigma/b|`da78ef2645aa92840846dd587a92c97687ca9c1f555265d59f4c6d7a18d2ae08`|
|b42-a|e09-confirm-act/a|`d57947fc0468aa28824a13f4a242a83d33ce0db3de1063de7980688992fe0724`|
|b42-b|e09-confirm-act/b|`41bd9f034cc93466a7b9616a17a15a1e0d28f19a54480559b5c5a3c18b8506da`|
|b43-a|e09-confirm-tox/a|`f0f9c213c29909def060f273358f517337e73bf3ee082deacd1cba25121dd3a8`|
|b43-b|e09-confirm-tox/b|`cedcd5df5201048f2b679cddc6c44379f88db484e9c4c7ee6e3a72be7d1787e6`|
|b44-a|e09-combine-anchors/a|`b15a2cd4127fdd16410e98f6cd1380a519eaf1f6023d3eb83b5fb7c65e0b54d5`|
|b44-b|e09-combine-anchors/b|`25d0872bcd5ec452b572a94eb04dd280191afe4cf07459bf99ab06ffd1a98166`|
|b45-a|e09-head-gas/a|`f1e01bda738949191d727f861bd8c8a9b0faedb6cfa58533759fc7951bcdfa18`|
|b45-b|e09-head-gas/b|`4184fba1163fcf938f2657c9e02b9cd5ff0afe31c47f277e6e4a912d7df7ae0c`|
|b46-a|e09-learn-head/a|`a990afc5faf95d7c854242f84b59fb01eb7d22c44f3773dfc685f85d7f71b2c0`|
|b46-b|e09-learn-head/b|`73d46117b95d1f62da967d1e3e3742d622d13ca3f7d3f06657c82bc594bdc533`|
|b46-c|e09-learn-head/c|`78e3dab5a3c3b543c574d449567c7df247860a20dfded76419912b5c5f6dc78d`|

Reported candidate source URLs, not freshly fetched:

- Sigma: https://api.imdnotdead.fun/artifacts/9045cab1f8a51e8f1c6a4c2c93daa2b2f0d9bd274a68de064a1167c079c2a8b4 . [b41-a,b44-a,b44-b]
- Activity/harness: https://api.imdnotdead.fun/artifacts/26cb8e86f05170308de2a4b24821ac7fad2a17077f8d94af6e0f31985343fe89 . [b42-a,b44-a,b44-b]
- Toxicity: https://api.imdnotdead.fun/artifacts/6ac5e013b7b1fb4c5e7bdcdfec0aba28b16824e18ccf39500f258533879faffe . [b43-a,b44-a,b44-b]
- Additional harness: https://api.imdnotdead.fun/artifacts/33f54e81f3372088e9eced52c0174f310ac348af98ef5727b73785c088679194 . [b40-b,b38-b,b39-b]

RS2,STACK,CH and checkout links are given above;public pinned raw URLs are in b40-b records. All links remain subject to the requester warning. Frozen candidate code is carried in the original inputs (b45-a uses largest_safe_head);this bounded merge produces no new strategy or runtime dependency.