{
 "P0": {
  "status": "passed",
  "checks": [
   "contract.md written covering question, estimand, outputs, info rules, invalidation"
  ],
  "notes": ""
 },
 "P1": {
  "status": "passed",
  "checks": [
   "sha256 recorded",
   "400 rows, no NA, no duplicates, no gaps",
   "exclusions.csv: 400-0=400"
  ],
  "notes": ""
 },
 "P2": {
  "status": "passed",
  "checks": [
   "iid OLS baseline se_iid=0.0448 reproduces memo"
  ],
  "notes": ""
 },
 "P3": {
  "status": "passed",
  "checks": [
   "analysis.py writes results.json, no randomness (random_seed null)"
  ],
  "notes": ""
 },
 "P4": {
  "status": "passed",
  "checks": [
   "clean re-run identical (cmp)",
   "checks.md items 1-9 PASS",
   "gate run: out/state/gate_receipts/20261030T040359.797819Z.json (contract keys, CI, SE positivity, reproducibility ok; failures only for P5 artifacts not yet written)"
  ],
  "notes": ""
 },
 "P5": {
  "status": "passed",
  "checks": [
   "report.md with 6 sections, keys cited",
   "claims.json 5 claims incl. memo claim (unsupported)",
   "final gate PASSED: out/state/gate_receipts/20261030T040423.487076Z.json"
  ],
  "notes": ""
 }
}