{
  "step": "C153",
  "status": "passed",
  "check_count": 23,
  "checks": [
    "frozen input 490d_C135_P6_17K_Closure_and_One_Year_Flood_Compensation_20260923.md",
    "frozen input 490d_Mirror_Restart_Checkpoint_After_C135_20260923.md",
    "frozen input C10_REPORT.md",
    "frozen input C10_RESULTS.json",
    "frozen input C122_CERTIFICATE.json",
    "frozen input C127_GRAPH.json",
    "frozen input C133_CERTIFICATE.json",
    "frozen input C134_CERTIFICATE.json",
    "frozen input C135_CERTIFICATE.json",
    "frozen input FILE_09.md",
    "frozen input FILE_18.md",
    "File18 controlling hash",
    "File09 controlling hash",
    "historical graph unchanged",
    "U field explicitly retained in C10",
    "D field explicitly retained in C10",
    "six paired MT source selectors",
    "profile separation in every matching selector",
    "five SP diagonals",
    "six MT diagonals",
    "thirty combinations not thirty distinct diagonals",
    "eleven role-qualified diagonal records",
    "all diagonal records 17K"
  ]
}