{
  "artifact": "Phase-estimation precision workbench",
  "chapter": "Phase Estimation",
  "chapter_url": "https://www.steven-geller.com/playground/quantum/book/32-phase-estimation/",
  "date_modified": "2026-08-14",
  "dependencies": [],
  "expected_exit_code": 0,
  "expected_stdout": "PASS: 32 phase estimation exact=011 coarse_error=0.041667 fine_error=0.010417\n",
  "fixture_sha256": "f4e38fd1e65bd5646cb9e171dfc5a02cdf80165b5da8002c86a9c6b9a886a69e",
  "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 exactly representable phases, off-grid distributions, inverse-QFT ordering, precision scaling, and explicit controlled-U call counts.",
  "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."
}