{
  "artifact": "Unitary matrix validator",
  "chapter": "Unitary Operations and Reversibility",
  "chapter_url": "https://www.steven-geller.com/playground/quantum/book/12-unitary-operations-and-reversibility/",
  "date_modified": "2026-08-14",
  "dependencies": [],
  "expected_exit_code": 0,
  "expected_stdout": "PASS: 12 unitary validator accepts 8 gates with max deviation=2.22e-16, rejects 3 matrices with min deviation=1.00, tolerance boundary=1.00e-09\n",
  "fixture_sha256": "4631fda4619b2369e38ee9fcc6e239138006983b5e43bc2c94189c900b56269f",
  "manifest_test_command": "python3 tools/validate_briefs.py --briefs data/editorial_briefs_00_35.json --from 0 --through 35 --check-rewritten-sources --execute-artifacts",
  "pass_condition": "Tests exact standard gates, rejects projection/scaling matrices, reports tolerance and maximum deviation from identity.",
  "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."
}