{
  "capability_id": "engineering.measurement.precision",
  "calculation_version": "1.0.1",
  "protocol_version": "1.0.0-proposed",
  "protocol_document_status": "proposed",
  "verification_revision": "2026-09-25.o2-o3",
  "claim_scope": "O2: repeatability s, CV, and r = 2.8 s vs a separate-module sample identity (≤2 ULP). Not Type A u_A. ≤2 ULP vs O3 applies only to the published tabulated precision vectors. Not Type A uncertainty.",
  "oracle": {
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    "library": "mpmath 1.4.1",
    "mpmath_dps": 80,
    "backend": null,
    "rounding": null,
    "independent_of_iut": true,
    "generator_id": "measurement-precision-mpmath-o3",
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    "generator_sha256": "227819dc82d7c5bd87f55212c8f686286217a96c6293f4fd393fedb66dbbcfa5",
    "table_sha256": "e75a476a0573ef54be4e6ef077b0978439cb615034d0dfbe6a2fb984a8ea79d7"
  },
  "result_summary": {
    "passed": 8,
    "total": 8,
    "failed": 0,
    "max_error_ulp": 2,
    "threshold_ulp": 2,
    "max_threshold_ulp": 2
  },
  "public_files": {
    "manifest": "/evidence/engineering.measurement.precision/1.0.1.cvp.json",
    "this_file": "/evidence/engineering.measurement.precision/reproduce.json"
  },
  "vectors": [],
  "disclosure": {
    "policy": "calculatorx-public-evidence-v1",
    "full_validation": "private",
    "representation": "summary",
    "kind": "reproduce"
  }
}