{
  "key": "d5-s23-cancel-reentry-ladder",
  "idea": "Half-size re-entry ladder after RC cancellation cooldown, spreads 2 and 3.",
  "approach": "Append a wrapper to hash-verified RC. After each exactly-one-tick rival retreat, keep RC's blocked callback, then halve new placements on that side for R callbacks. Repeated retreats restart R. Round down to 0.01, omit zero-size orders and their probe records, and synchronize scaled sell reservations. Screen R=3,5,10 on target-spread paired tuning means; freeze the best before the single holdout pass.",
  "tried": [
    {
      "name": "r3",
      "code_sha256": "e57b7d8a8a80addce4634071b20d5f064d72b533c41ea43222273887220e9c54",
      "mean_diff": -3.6789249999009437,
      "se": 1.745395650018893
    },
    {
      "name": "r5",
      "code_sha256": "d0e8031e7113c13167c12322880372be5586ab6c88bf97395972cf4bc068bed1",
      "mean_diff": -2.0402598607150937,
      "se": 2.7355490275239434
    },
    {
      "name": "r10",
      "code_sha256": "08276db07f4ed0ea830e9ef667e76510893d808faefebff813c5c9acb0b66c2c",
      "mean_diff": -11.081252297055658,
      "se": 2.5679198680707995
    }
  ],
  "next": "Retain RC; this is a screen, not a promotion. The frozen candidate loses on holdout; do not advance this ladder.",
  "code": "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",
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  "comparator_sha256": "3c07bdcd221ac25729c3ebc92b21ac9e2014510ecb85816c4391ed81e933291f",
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    "seed_range_inclusive": true,
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    "selection_metric": "highest paired mean_diff conditional on sampled spread in [2,3]",
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        "target": {
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  },
  "failures": [
    {
      "stage": "initial tuning attempt; implementation bug",
      "seed": 330065,
      "strategy": "r3",
      "code_sha256": "0f33b3bf5ef51e30b01f1bbcd72e02723c46fb86844bc3abcf7ac50669395ac0",
      "error": "orderbook_pm_challenge.market.OrderBookError: Insufficient free cash for order collateral",
      "resolution": "Repaired sell-reservation bookkeeping after scaling; discarded incomplete prototype screen and reran all three durations on all tuning seeds. No holdout had run."
    }
  ],
  "check_values": {
    "310000": 17.5126554022,
    "310001": 20.6298693268,
    "310002": 2.3903113616,
    "310003": 248.006347259
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  "python_version": "3.12.3",
  "seconds_per_simulation": 0.8534438978145498,
  "check_values_note": "Measured RC directly. The source artifact labels its stored reference checks as N checks and records incumbent hash bf0d179f3e47d28819f6fa7e0d25548c2ced43374c216d36460b00a26a26ffae; those are not RC measurements.",
  "methodology": {
    "simulator_commit": "b244530ee2a6247b5f930830eeca9dd950da0e7e",
    "configuration": "Unmodified simulator, default ChallengeConfig() and ParameterVariance(), 2000 steps; sample_config(..., seed=seed), then SimulationEngine(cfg, factory, seed=seed).run() independently for each strategy. Serial execution, no workers or sandbox.",
    "chunk_size": 50,
    "seed_range_inclusive": true,
    "per_seed_records_verified": true,
    "holdout_runs_per_strategy_per_seed": 1,
    "finalist_seeds_used": false,
    "screen_not_promotion": true,
    "retail_diff_and_arb_diff": "paired means",
    "se_formula": "sqrt((sum_d2 - sum_d*sum_d/n)/(n-1)/n)",
    "checks": "Wrapper and RC integration tests passed; every upstream Python file byte-identical to pinned archive; zero off-target difference verified per seed.",
    "reservation_repair": "For a scaled sell order, preserve original covered quantity: res[id] = max(0, new_quantity - (old_quantity - res[id])). No other RC logic changes."
  },
  "code_encoding": "gzip+base64"
}