{
  "artifact": "Spin-array yield, variability, and calibration dossier",
  "chapter": "Silicon Spin Qubits",
  "chapter_url": "https://www.steven-geller.com/playground/quantum/book/59-silicon-spin-qubits/",
  "date_modified": "2026-08-14",
  "dependencies": [],
  "expected_exit_code": 0,
  "expected_stdout": "PASS: 59 spin evidence same_mean=0.0 central_yield=0.6 heavy_tail=0.2 wider_window=0.6\n",
  "fixture_sha256": "8cad835241f3826b7ddf0ff0a5bb8edf1ddbc441c611750325be981ef0be5b54",
  "manifest_test_command": "python3 tools/validate_briefs.py --briefs data/editorial_briefs_36_63.json --from 36 --through 63 --check-rewritten-sources --execute-artifacts",
  "pass_condition": "All empirical values identify implementation/protocol/source/date/sample size; synthetic model varies distribution tails and rejects conclusions drawn from only mean or best-device values.",
  "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."
}