{
  "step": "C368",
  "status": "completed",
  "date": "2026-09-24",
  "title": "Noah19K and joined-map selector intersection",
  "previous_certificate_sha256": "b6d3da6b221571388e7cc090ca26b5a93acc654cd6b01791da61426e1349bfc5",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C368_Noah_19K_and_Joined_Map_Selector_Intersection_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C368_20260924.md",
    "data": "evidence/DATA.json",
    "results": "evidence/RESULTS.json",
    "calculation": "evidence/CALCULATION.py",
    "verifier": "evidence/check.py",
    "next_step_decision": "NEXT_STEP_DECISION.json",
    "replay": "REPLAY.json",
    "control_integrity": "CONTROL_INTEGRITY.json",
    "readme": "README.md"
  },
  "step_sha256": "99380b1a2f7ad2e99ab91c0ff0de67459f94a78ac58d2e436f10b888ceb1bcd9",
  "source_manifest_sha256": "5c4406a353cb62a903be9fa917049146dd15efbf5298e1642acc26d1759a2b6f",
  "report_sha256": "6c55b7af739ebe270c16fc489edbe8b03ea56b3f36aa79c53ca8e377ba54840c",
  "checkpoint_sha256": "243fdaff75401f356754e65a4d033814ee21047fd0028eb8790fadc3bfb46811",
  "data_sha256": "79094606fb141e68a2db0cff9f3bf8fcfcba1fddfdfce809923a61e5f613f64c",
  "results_sha256": "5565c38d171aca2f27c794ee29cd7bb905f001f9ffb6a23656848986e5565ab3",
  "calculation_sha256": "1543d29b6148217f3482a541abfd78384efa8189a4913ebbbd374cee7a531edd",
  "verifier_sha256": "9f175670abb70f7819dd7f6d997ff0bef2e58df8dffd763b433f6c6cd62e332d",
  "next_step_decision_sha256": "b8e5f1b9c81ace91ea5a4d6105a178c7fac6dfb6157e26394557de0c85257f5b",
  "replay_sha256": "cad86be5ea5d2804a3ba1559c2295e241a2581d30ebe0fa2dee647a00b6a6231",
  "control_integrity_sha256": "9810807cb07b02f43f568f68bb82cb41a6eeff6799902254b4932e5c350ac838",
  "readme_sha256": "55df403bdf1f0ccacc015d533e2b2f766bb01ada7a3784fd1acb4e9a09a845b9",
  "assertions_passed": 44,
  "source_checks_passed": 17,
  "main_result": "Six C319 controls admit fixed19K native Noah950 transport; four admit the regular joined source map. Their intersection is22:i3/i5. The19K condition is equivalent to the existing cumulative2K condition, so no independent coupling prescription is established.",
  "limits": "The conjunction remains conditional on the stated criteria. A source-role interpretation does not turn a numerical condition into a textual prescription.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "review_provenance": "Root-agent analysis and deterministic replay; no new independent-agent review",
  "next_proposed_step": "Construct the complete2×2 matrix of lifespan-preserving translations between the two cumulative Noah states and the SP/restored-MT Noah biographies at each complete C287 row. Keep the companion annual-index adjustment explicit, and reduce the bridge lengths modulo529.",
  "next_step_executed": false
}