{
  "step": "C284",
  "status": "passed",
  "assertions_passed": 8,
  "checks": [
    "eight boundary records each",
    "complete domain3072",
    "23 criterion recovers selector relation",
    "48 rows at first23 filter",
    "K criterion recovers states",
    "six allK rows",
    "all surviving widths",
    "count crosschecks"
  ],
  "source_checks_passed": 8,
  "source_checks": [
    "frozen input PREVIOUS_CERTIFICATE.json",
    "frozen input PREVIOUS_RESULTS.json",
    "frozen input PREVIOUS_CHECKPOINT.md",
    "frozen input C271_COVERAGE.json",
    "frozen input C280_DATA.json",
    "frozen input C283_DATA.json",
    "predecessor binding PREVIOUS_RESULTS.json",
    "predecessor binding PREVIOUS_CHECKPOINT.md"
  ],
  "canonical_or_graph_edits": false,
  "new_independent_agent_review": false
}