{
  "artifact": "Materials claim-chain audit",
  "chapter": "Materials, Energy, and Industrial Science",
  "chapter_url": "https://www.steven-geller.com/playground/quantum/book/66-materials-energy-and-industrial-science/",
  "date_modified": "2026-08-14",
  "dependencies": [],
  "expected_exit_code": 0,
  "expected_stdout": "PASS: 66 materials chain gap=cycling_validation invalid=['computed_result_unit'] validated=120cycles decision=product-test\n",
  "fixture_sha256": "e13f02f4e3b9f1859bec7ded010836f6db4eb59ac536ccd2268e6f62044ad825",
  "manifest_test_command": "python3 tools/validate_briefs.py --briefs data/editorial_briefs_64_87.json --from 64 --through 87 --check-rewritten-sources --execute-artifacts",
  "pass_condition": "Each outcome has a path to measured evidence; the test flags skipped laboratory validation, missing units, and comparisons against an unnamed classical method.",
  "python_requires": ">=3.11",
  "run_command": "python3 fixture.py",
  "schema_version": "1.1.0",
  "test_method": "Run the isolated fixture; require exit code 0 and exact stdout."
}