{
  "study": "de-scaffolded-heterogeneous-development-v1",
  "task_version": "signed-last-write-select-settled-v2",
  "namespace": "chronomata-desca-v1-fresh-20261014T211553Z",
  "groups": [
    0,
    1,
    2,
    3,
    4,
    5,
    6,
    7,
    8,
    9,
    10,
    11
  ],
  "settings": [
    {
      "id": "L4-K4-p0",
      "L": 4,
      "K": 4,
      "p": 0
    },
    {
      "id": "L4-K4-p0.15",
      "L": 4,
      "K": 4,
      "p": 0.15
    },
    {
      "id": "L4-K8-p0",
      "L": 4,
      "K": 8,
      "p": 0
    },
    {
      "id": "L4-K8-p0.15",
      "L": 4,
      "K": 8,
      "p": 0.15
    },
    {
      "id": "L6-K4-p0",
      "L": 6,
      "K": 4,
      "p": 0
    },
    {
      "id": "L6-K4-p0.15",
      "L": 6,
      "K": 4,
      "p": 0.15
    },
    {
      "id": "L6-K8-p0",
      "L": 6,
      "K": 8,
      "p": 0
    },
    {
      "id": "L6-K8-p0.15",
      "L": 6,
      "K": 8,
      "p": 0.15
    }
  ],
  "constructors": [
    "D",
    "B"
  ],
  "episodes": 4,
  "events": 64,
  "minimum_queries": 32,
  "selected_pairs": 4,
  "deadline": 1292,
  "gap_min": 1294,
  "gap_max": 1394,
  "run_order": "group ascending; settings lexicographic L,K,p rotated by group modulo eight; D/B reversed if group plus unrotated setting index is odd; four episodes then four pairs per case",
  "seed_derivation": "first eight SHA256 bytes big endian of slash joined namespace,purpose,group,L,attempt for layout streams; task namespace,ordinary,group,episode common across settings; initial signs and paired banks additionally include K; exact calls in host.py/task.py",
  "layout_coupling": "Within L, coordinate jitter, opaque labels, terminal permutation and obstacle uniforms shared across K and p. Boundary sites never removed. p=.15 thresholds interior uniforms; p=0 retains them. K=4 writes are prefix of K=8. L changes layout draws. Same group/setting host and events for D/B; no trace or edge identity coupling assumed.",
  "task_coupling": "Common event random uniforms and gaps across L,K,p and D/B. First K slots initialize K distinct balanced signs; K changes normalized address draw and initialization length. Random overwrites then queries, forced minimum 32.",
  "admissibility": "At most 16 fresh candidate draws per setting/group; accept first whose terminal attachments share a connected component. Independent of constructors. Preserve all rejects; exhausted group is unobserved and stops partial matrix.",
  "primary": "Each valid within-budget case requires every ordinary query and all four opposite-sign pairs correct and timely plus exact compiled replay of all four ordinary episodes. Mean seven non-reference case indicators within group; equal mean 12 outer groups; paired D-B. Reference L4 K4 p0. Query failures all retained. Per-model construction/resource failure scores all scheduled queries zero. Unexecuted cases unobserved.",
  "analysis": "Show all 12 outer values, all eight settings, fixed K4 strata, query counts/overlapping failure classes, pairs both and individual separately. No inferential equivalence claim; ceiling/all-zero differences describe fixed programs only. Conditional costs on mutually successful pairs explicitly labelled; unconditional coverage and actual failure costs alongside. No extra arms or scoring interventions.",
  "representative_selection": "Group0 reference and L6 K8 p.15 complete D/B; extra difficult D trace is maximum developmental messages (first run-order tie). Author rerun prespecified group0 L6 K8 p.15 paired case in disposable directory.",
  "stopping": "No parameter search, scored repairs, added seeds, arms or deadline changes. A hidden oracle/role leak/global D planning, runtime/state or replay defect stops and preserves partial/failed outcomes before scientific comparison.",
  "resource_limits": {
    "cpu_seconds": 3600,
    "wall_seconds": 5400,
    "rss_bytes": 1073741824,
    "retained_artifacts_bytes": 134217728,
    "job_full_seconds": 600,
    "job_other_seconds": 120,
    "cells": 216,
    "selected_edges": 540,
    "development_ticks": 1024,
    "development_messages": 4096,
    "development_bytes": 65536,
    "development_queue": 2048,
    "local_development_bytes": 2048,
    "model_bytes": 1048576,
    "messages_per_transaction": 1024,
    "task_queue": 512,
    "incoming_per_cell": 16,
    "interface_slots": 1,
    "episode_ticks": 100000,
    "construction_seconds": 2,
    "output_records": 16
  },
  "ledger": "One numerical worker; conservatively carry prior inclusive combined ledger 248.178326 CPU/214.930280 wall seconds against shared ceilings; preserve it separately. This study job costs measured separately plus 60-second setup/analysis allowance. No remote CPU claim."
}