{
  "step": "C429",
  "status": "completed",
  "title": "Complete harmonic endpoints of all source 2K pairs",
  "previous_certificate_sha256": "c7c92fcdfeba7f27ecfd218bb7dc3a3dd2d952b7e23001deff84688e70aacbb9",
  "bindings": {
    "step": "STEP.json",
    "source_manifest": "SOURCE_MANIFEST.json",
    "report": "490d_C429_Complete_Harmonic_Endpoints_of_All_Source_2K_Pairs_20260924.md",
    "checkpoint": "490d_Mirror_Checkpoint_After_C429_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": "0b38603f5fa5b4f497db4ee500903c148860e4111d49950ccc2ec79b9f3efe08",
  "source_manifest_sha256": "f67d85c2a818dcf48835b7988aa638fd597c6a7913cf6dfa4ea2c13c73f7a750",
  "report_sha256": "b85bae1f24d97a663e78154c6413d0ab3342e635e9f86532937412003bf9be19",
  "checkpoint_sha256": "3a878faff786789a9d55e3aa8e578a298cdc85715c7bace7981bf6ac1f03db0d",
  "data_sha256": "714ddc055d51a3f0d123f189913233347ad950e9be791e2364bcd60fbcc32728",
  "results_sha256": "b82f953ad4c36d76c5804d1ab96805f6c27579b1bc5c362f810de9a616575f02",
  "calculation_sha256": "b4758f4a91c52b2437cee50ec7939a14ecb8b05b0522c5216febfb2492be469d",
  "verifier_sha256": "54ec196818f7b9bb5e18af36e2632264bb5c010834b6718e8acd860ef2eaae96",
  "next_step_decision_sha256": "e3f38b7d4086d3a04507fe84bf9bbbd698223a7c4523e12c4855a8d512a5bfc7",
  "replay_sha256": "8ae17e7fec34dde7b56c0b5e706261f398c9d95fc9b11657a672a5a85426576d",
  "control_integrity_sha256": "231cf3e4dc0edc6ff70781aa9b16678248460145408355e421bef7a9d565b260",
  "readme_sha256": "d36e946a6e3d765f4770b77d7bf320462d22e01d20db64df24e8e65702f3373a",
  "assertions_passed": 130,
  "source_checks_passed": 15,
  "main_result": "All26 source2K pairs under E/E²/P/J give104 trials:13 sourced E outputs,13 sourced E² outputs, no P/J outputs, and four complete two-E ladders. T2/T3 supply nine distinct Flood-held E arrows to MT Shem death, sharing3298/2240. Nine E² cases remain endpoint-only. Existing source aliases at outputs remain explicit.",
  "limits": "The inventory is fixed-upper gap scaling over existing source pairs. Sourced endpoints and complete source paths remain distinct from a protocol prescription; the four known complete Noah ladders are retained prior results.",
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_step_executed": false,
  "next_proposed_step": "Derive the source-context rule for the nine Flood-held E arrows. Test how T2 and T3 meet at2240 and whether their upper three-Gear strip preserves one input role or requires a qualified role change at its boundary."
}