{
  "step": "C476",
  "status": "completed",
  "title": "Primary and Companion Source Conditions for Noah-Held Ladders",
  "previous_certificate_sha256": "1a7decd472e6c10ac8eab2749203784caab8c61b9b4e3b47f5f217920fccc259",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C476_Primary_and_Companion_Conditions_for_Noah_Held_Ladders_20260925.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C476_20260925.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": "5a8c9c20102f95495f9dc2a71e49da08d8421b9a78151e252e3555aa5cf36bb0",
  "source_manifest_sha256": "80cbeb2e768dce3996ba0173424f5f958df4e3813d3c6173eefa3661be501f8c",
  "report_sha256": "3b46f8f4140cbe69611797c982327b1f67474c6de74304f2031d40795d8137e3",
  "checkpoint_sha256": "33352b6a37c26952a702a25aacc8d07e2dff29ac4182886d108e86c5c069035f",
  "data_sha256": "d9e05538ddd3b9f8fe0ada7e62c9ad31039b0dae1299b685dfe0699ee554f86a",
  "results_sha256": "7dee7a26af2b29a0f70e7a62d07ec5eb843921d7475cb76cf8c6180fa4ec72b3",
  "calculation_sha256": "75aa9b3bc4536e021e94c482feeb3e937799da7a8c1b1c959a0baee5ad739df5",
  "verifier_sha256": "522dc3d500a35472af7081298ec2b8c67e7c247ee8911c7ca17899c64f6cda87",
  "next_step_decision_sha256": "496d24e240190b8d8cd64c3e235e688567adfbf3215d0c096dff9d6b7d04c5b3",
  "replay_sha256": "5c18c0f38550c4f7d36bed3e8cf7f1ac535781cc60957eeaffd19b042a5534a5",
  "control_integrity_sha256": "fef440ea1666c3c54d1a296e66d87da22a5fe1fcc3a83fe6e4412ad206c5665c",
  "readme_sha256": "b8f3e0b45623b3b31cd73a1c9eb046fcf7d0fd501a6f44616268022288398fc5",
  "assertions_passed": 341,
  "source_checks_passed": 25,
  "main_result": "Across24 Noah contexts per SP rail, primary-held1058→1150→1250 paths have24 sourced middles/finals and exactly four sourced inputs, hence four complete paths. Companion-held paths have24 sourced finals but no sourced middle; five inputs are sourced, including the inherited3899/2841 Noah-role alias in addition to four matched Flood-close inputs.",
  "limits": "All absence claims are limited to the frozen528-label/373-coordinate Noah/Shem/Flood register. Flood-close boundaries and SP person companions remain separate. These held-pivot diagnostics do not enlarge the active eight-pivot E menu.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_step_executed": false,
  "next_proposed_step": "Test the nine source-endpoint Noah-held diagnostic cases under the two already fixed Mirror exchanges A−2639 and A−2635. Check conjugacy, cumulative anchor/input/middle/final membership, inherited17K phase assignments and complete-path support separately, without enlarging either menu."
}