{
 "P0": {
  "status": "passed",
  "checks": [
   "TASK.md read fully",
   "contract.md written"
  ],
  "notes": ""
 },
 "P1": {
  "status": "passed",
  "checks": [
   "SHA-256 of all 7 files computed; 5 source SHAs match README",
   "line counts via newline count = wc -l",
   "reference ids unique, all source files exist",
   "exclusions.csv: 5-0=5"
  ],
  "notes": "see data_audit.md"
 },
 "P2": {
  "status": "passed",
  "checks": [
   "baseline header-only screen (title+year) computed: ['R3'] -> baseline_header_only_unverifiable"
  ],
  "notes": ""
 },
 "P3": {
  "status": "passed",
  "checks": [
   "analysis.py runs, reads data/ only, prints header lines and table cells, writes results.json; no randomness (random_seed null)"
  ],
  "notes": ""
 },
 "P4": {
  "status": "passed",
  "checks": [
   "clean re-run byte-identical",
   "consistency checks 1-10 in checks.md all pass",
   "gate run at end of P4: receipt out/state/gate_receipts/20261030T051754.680035Z.json -> reproducibility+keys ok; failures only for P5 deliverables (report, claims, non-terminal ledger), expected at this stage"
  ],
  "notes": ""
 },
 "P5": {
  "status": "passed",
  "checks": [
   "report.md written with 6 required sections citing results keys",
   "claims.json written (C1-C6)",
   "final gate run at end of P5: receipt out/state/gate_receipts/20261030T051826.590790Z.json PASSED (0/24 failed)"
  ],
  "notes": ""
 }
}