{
  "step": "C279",
  "date": "2026-09-24",
  "status": "completed",
  "title": "The598 triangle joins8395 to17K",
  "previous_certificate_sha256": "dcde0d52adccfdfdf048d1941cc586957d3772789c0e70a09d1f94ef0970dcc6",
  "source_manifest_sha256": "9d4e02db3c41a07373a39cb6371e1caecbab1b8bbdc003ec7aaaec09aa6c4af0",
  "step_sha256": "43c5ddda29962f2e1b842365fa681290ab75514ac1ace03a0cb15e36e058646a",
  "report_sha256": "c91e5e0626470086fe74a739e97f864bf40019f6cd2ff44711b7a0597442cb48",
  "checkpoint_sha256": "9474873d6c6d69aed783c926374cbcf2179610572eb9c7ca0919d818791c5e62",
  "results_sha256": "8a1147498f83d59a41d70d40136d0ac48850b237645a00277dfddd9f4bb0a67d",
  "data_sha256": "11515f49030b4c0c9a8b353df680b03a2d525fee6c303a8a8da7f6b98cdf80c0",
  "calculation_sha256": "30448f122e76d27f883b8b96c0049b8c85326d2973effed2472e9d06fdb71802",
  "verifier_sha256": "1b0d77f7bd90c94c014bf13467830ac053579a4ca021d6d777d8442441f73259",
  "review_sha256": "7221ef13c1f25f6e22f3bba988c2caba3c5e21bc22b1b103bcfe636853182cea",
  "replay_sha256": "ac8fad8cbed89f22f406d2af7c94c2859a8f52af203974194e4f16b613d6c652",
  "control_integrity_sha256": "41aee61f77fbc03abaf36ac516ed70de5eb5b9e3532ea9adcb9d26b0eeb3b797",
  "next_step_decision_sha256": "6e4729476db4bf81b9766c2d5b290b8ab4930bf0edba3a7a07d957c7918cd448",
  "assertions_passed": 27,
  "source_checks_passed": 8,
  "frozen_inputs": 6,
  "main_result": "Six source-tagged triangles join598+8395 to8993=17K at the same regular Flood endpoints.",
  "limits": [
    "Derived endpoint triangles are not new stored graph paths.",
    "Six translated rows are not independent witnesses.",
    "Source closure does not determine the local placement premises."
  ],
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_proposed_step": "C280: transport the entire triangle to the documented cumulative LXX ON / regular MT ON+60 realization and verify all source-state qualifications.",
  "next_step_executed": false
}