{
  "step": "C284",
  "date": "2026-09-24",
  "status": "completed",
  "title": "Independent-selector completeness",
  "previous_certificate_sha256": "b25a532c903e38332a0e0b3051a0fd31ab7e09dec4cb0f57e355a8ac7b040b1a",
  "source_manifest_sha256": "b0e2c52301ab7358be535b240dd9c2fa006816338e622ef65f438ce9429a51eb",
  "step_sha256": "fbdaead85e6c34dd66462af628c4c05c2ac3933ceef75026cd5e35d0cbe89800",
  "report_sha256": "590b3196def6dba071994e459f162e6dcb193b185a6d7f8d0e91616f8fcfa204",
  "checkpoint_sha256": "a03673ff968bdcbe6561cdd250f8f30e714d4a9abe7455d81f36c408ae648ed3",
  "results_sha256": "ab62fc7347159e32b541404557c36349c3accb54e9061c57d672d16ca2a6267a",
  "data_sha256": "6a5db2c378cd9bfcd99ec1e1e5523a1e95b1b40fed0f1ae6ee208b6a80dbad56",
  "calculation_sha256": "659a1003a0d6a5fd0ae627b66bb4553dab7a145eb3bc15a4d3e4603c9151b660",
  "verifier_sha256": "1b0d77f7bd90c94c014bf13467830ac053579a4ca021d6d777d8442441f73259",
  "review_sha256": "546ff5e6dc5a1d0ccc6264df39fa27390683acce0e5c48c08ef04752d3a1e075",
  "replay_sha256": "fb555017b8691cf4a06732f07e07a8fb257dc8bd57c86bef6d498147806e949f",
  "control_integrity_sha256": "41aee61f77fbc03abaf36ac516ed70de5eb5b9e3532ea9adcb9d26b0eeb3b797",
  "next_step_decision_sha256": "179d177fb9b1b1cf6eef74328657daec6042e235092b1e66f4d8bbb5752600da",
  "assertions_passed": 8,
  "source_checks_passed": 8,
  "frozen_inputs": 6,
  "main_result": "All3072 independent-selector comparisons reduce to48 under23 divisibility and six under529 divisibility; the index relation is recovered rather than imposed.",
  "limits": [
    "Divisibility is a declared structural criterion, not historical necessity.",
    "Uniqueness is bounded by the frozen fields and endpoint domain.",
    "The source pairing does not independently impose local-image alignment."
  ],
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false,
  "next_proposed_step": "C285: test all already documented regular Flood profile/state contexts, while keeping the same cumulative fields and no new event types.",
  "next_step_executed": false
}