{
  "step": "C283",
  "date": "2026-09-24",
  "status": "completed",
  "title": "The complete retained state cube",
  "previous_certificate_sha256": "0db798e35d1b486ce3526c17789d2134141425f9b3983d43e427bf5203257df1",
  "source_manifest_sha256": "3e2a4b90ac28415de909a2b31175cde0331ed8adb15ad3340a75c1e7df0dbbf6",
  "step_sha256": "7c85c94459a0c4c6c93d1f9cf5e63fcc80e8a0c3da9e0fa4e870043bc6eccaac",
  "report_sha256": "8104c06328526122cf00ee7ad2b1f0efff911ff0860705021bc148bd5d56b129",
  "checkpoint_sha256": "277ed8a2041699a0b9bc874bbbe251b8b086d66f771798c3f28b73a2eb875716",
  "results_sha256": "4eaedb55094e3f9e766b082db213363cee8889943d52581df2f66fa734cec7de",
  "data_sha256": "6de9b1a948d8f577e759daa12ba5e12c5828a6ed7ad273a77cf8d3b9610eaadd",
  "calculation_sha256": "aca6aba7e94f6aa8d591868542fb8385fcac2b27b83c85add826bf41860d5391",
  "verifier_sha256": "1b0d77f7bd90c94c014bf13467830ac053579a4ca021d6d777d8442441f73259",
  "review_sha256": "5dd95a3156002534234be836e030e116c3cc67edcb5ed0f9316b6cc81fb8e8eb",
  "replay_sha256": "1333195a1a05e7dfeb092d1913521ba9633fcaacf2ff6bb3177eef16fcaf05b6",
  "control_integrity_sha256": "41aee61f77fbc03abaf36ac516ed70de5eb5b9e3532ea9adcb9d26b0eeb3b797",
  "next_step_decision_sha256": "cde5477ed81dc795ce0e78efafadbcd9b4e81e501df41b95973829e892c65172",
  "assertions_passed": 98,
  "source_checks_passed": 8,
  "frozen_inputs": 6,
  "main_result": "Within the eight retained state configurations, only(s,f,r)=(1,0,1) yields both legs divisible by529; it occurs at all six positions.",
  "limits": [
    "Uniqueness is confined to the eight admitted state choices and six positions.",
    "No probability or independent-necessity claim follows.",
    "Regular profile change is a composite operation, not regular Cainan460."
  ],
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_proposed_step": "C284: release the shared-index pairing and classify all independent cumulative annual indices against the same six Flood endpoints and two profiles.",
  "next_step_executed": false
}