{
  "artifact": "Bloch/statevector round-trip viewer",
  "chapter": "One-Qubit Gates and the Bloch Sphere",
  "chapter_url": "https://www.steven-geller.com/playground/quantum/book/17-one-qubit-gates-and-bloch-sphere/",
  "date_modified": "2026-08-14",
  "dependencies": [],
  "expected_exit_code": 0,
  "expected_stdout": "PASS: 17 Bloch viewer round-trips 6 states through 6 gate rotations; last |infidelity|=4.44e-16, max infidelity=4.44e-16, max SO(3) error=3.33e-16\n",
  "fixture_sha256": "b1dd6ff126b56c1824463b4c63797715d45b942325a13f77a910fc6c9e8a5bc4",
  "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": "Property tests round-trip states up to global phase and match matrix gates to expected SO(3) rotations.",
  "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."
}