{
  "step": "C299",
  "date": "2026-09-24",
  "status": "completed",
  "title": "The600-year lift changes source roles",
  "previous_certificate_sha256": "0ed676fdffd038336b995a9abded05354454bfd01767cf0476586e27be4c07ef",
  "source_manifest_sha256": "9a649bd40dfa4ac9a73090e570816aac525afbca702df86cbc3dcbeb127179bf",
  "step_sha256": "aa3cd5c19fb212b90af4581f70d82423caaea09d305830451d1447b684c7f0bd",
  "report_sha256": "d199b5a6ab32abf675fce6a1cb94f25b0c1b2a012e536df6179e64c887f34ebc",
  "checkpoint_sha256": "e35d40a69c519d7757bffe0043824305eb64ebd736ff5239ba2a635cabdf2da4",
  "results_sha256": "4f45366e8a27d3d08b008ad3a7a05f45df7763848386e60198c680212c3fbec4",
  "data_sha256": "751047e0414d204b1200f2509597c28cfeb9e875a551b2a28cd7a55867c70b44",
  "calculation_sha256": "0e80a1d467d84928eb52d0a5d940518816fb0d2276a543d8a5391abec810e9cb",
  "verifier_sha256": "1b0d77f7bd90c94c014bf13467830ac053579a4ca021d6d777d8442441f73259",
  "review_sha256": "580e22cdfa252d7bb952c58e345c23a6f2366948e8055c3eb2429759e9420629",
  "replay_sha256": "59e125e617691f8a32befe50074e5cc654047eeccd2c7558cacc7c83b3a4cf5b",
  "control_integrity_sha256": "41aee61f77fbc03abaf36ac516ed70de5eb5b9e3532ea9adcb9d26b0eeb3b797",
  "next_step_decision_sha256": "ca700db37a67cdb4f0f2eab9e9dafb8a393d543696933cdfc49de2571eee3a71",
  "assertions_passed": 10,
  "source_checks_passed": 8,
  "frozen_inputs": 6,
  "main_result": "The600-year lift yields four labeled, three numerical segments: regular MT Noah→Flood corresponds to cumulative Shem→Flood.",
  "limits": [
    "Regular Noah and cumulative Shem retain different source identities.",
    "Four profile labels represent three numerical segments.",
    "No MT companion rail is introduced."
  ],
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_proposed_step": "C300: classify all MT Noah/Shem/Flood life endpoints against the cumulative fields under the fixed2832 correspondence.",
  "next_step_executed": false
}