{
  "step": "C301",
  "date": "2026-09-24",
  "status": "completed",
  "title": "Cross-bridge matches across all retained contexts",
  "previous_certificate_sha256": "15451e5768925316dab1c896ffda70303d0037504b3ad3640f906587d375f9a0",
  "source_manifest_sha256": "a0348276bf92f5ff557eb0cb39293fe074b1fba9d07d44ad450c30c2a0b7ffe3",
  "step_sha256": "db3aba58317bdc7345da165f41fd09adb738cc5136dd6e3679b145cf0e794260",
  "report_sha256": "4c8458bce272bd5521c0770b23be1e7ebf1b36bf40094752430866d95cc443c4",
  "checkpoint_sha256": "c19aecd58ee9ff10d1c789008642f35fcb3526ea38d3c8293f5505091e9237f5",
  "results_sha256": "66ab74dace8086a9a1ace20426892c746b70e39c7456e6ea1448a48a811e80f0",
  "data_sha256": "ca73cd515788566b31ae29e4bfe80c2b17ac5e77d3c507341a76d698119810f7",
  "calculation_sha256": "0e492fad151511613eb8da63f590aa4449c0327327bfd168ed390f05ce6b503f",
  "verifier_sha256": "1b0d77f7bd90c94c014bf13467830ac053579a4ca021d6d777d8442441f73259",
  "review_sha256": "ae5cd711c6a1a850ada715fc931b1b8d7c021aefaab091139b0374c71e949f6e",
  "replay_sha256": "fa19650eeb9c2ac9f7fe7c0d2f79fcdec955ed266ed93765d5988d06c63177b7",
  "control_integrity_sha256": "7d55ffe99d593f94d5565c8c6301a449eb4cc7b03956b4db28299117f407543d",
  "next_step_decision_sha256": "413c583602489810e3cce444c6eda83a39116370947e5eca4d1c66564ef74d56",
  "assertions_passed": 7,
  "source_checks_passed": 7,
  "frozen_inputs": 5,
  "main_result": "Across38016 comparisons,28 labeled hits represent18 coordinate matches; new SP/LXX OFF Shem endpoints require minimum215 sojourn andTerah+60.",
  "limits": [
    "The selected context is conditional on the fixed comparison.",
    "Coordinate aliases are not independent matches.",
    "Point matches alone do not establish a full biographical path."
  ],
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_proposed_step": "C302: verify complete600-year source bindings among the point matches and record exact annual coverage and its gaps.",
  "next_step_executed": false
}