{
  "step": "C294",
  "date": "2026-09-24",
  "status": "completed",
  "title": "Independent-source closure of the fixed reflection",
  "previous_certificate_sha256": "36975e8932f83d1c01b4503bf2b454d8b5f9555b74123631e42830bf5a82ce53",
  "source_manifest_sha256": "4f92d399f96fef80ab78a8cd0818b3655507f254c748df9320c2ccb4136b7aa8",
  "step_sha256": "92ce5e4c4d3a06d3ccaeb1c88903c748f13db5333de20d8719dc5af02a8dee36",
  "report_sha256": "cfeb14c021bf3c0dacde49bf82242b393e250ae391536d00f79031892e09adb6",
  "checkpoint_sha256": "82582e787630b4cb75badbf365c87f2b92a3369b7e7dad3680c49d18c46ac3c3",
  "results_sha256": "44ed1063c6a64acc4f60752c750fc5f62d01e48f5368d82c07f8b87d9b3e7fa9",
  "data_sha256": "b79993e4cf913b5dba042db8ec3efb0f36faf751823503b57ea380baa638a77e",
  "calculation_sha256": "e87f5a36295a55bc7a6928d114cb27ff3c7532ebd74e52dd4261cc0e5c04c67d",
  "verifier_sha256": "1b0d77f7bd90c94c014bf13467830ac053579a4ca021d6d777d8442441f73259",
  "review_sha256": "e3c10689b2bdd87412cc07578060f4b8d26c8b581f1b764879a4afef1b6d469e",
  "replay_sha256": "25f70344013dbc002c32c5b9febd7b0a097a2ee531aa68db28757bae0bbbbf63",
  "control_integrity_sha256": "7d55ffe99d593f94d5565c8c6301a449eb4cc7b03956b4db28299117f407543d",
  "next_step_decision_sha256": "f9690f3ea130c0dc7781c232c51242a86113fae1980490e030134f7740635b07",
  "assertions_passed": 8,
  "source_checks_passed": 7,
  "frozen_inputs": 5,
  "main_result": "Independent source indices yield one exact fixed8K reflection arrangement527/1587/2645/3705, with palindromic gaps1060/1058/1060.",
  "limits": [
    "The translated cumulative members remain generated positions.",
    "The symmetric arrangement is not equally spaced or all-K.",
    "This source selection differs from the earlier common-offset family."
  ],
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_proposed_step": "C295: solve compatibility of fixed8K reflection with the all-K source subdivision, retaining the finite source domains.",
  "next_step_executed": false
}