{
  "capability_id": "engineering.process.performance",
  "calculation_version": "1.0.1",
  "protocol_version": "1.0.0-proposed",
  "protocol_document_status": "proposed",
  "verification_revision": "2026-09-23.o2-o3",
  "claim_scope": "O2: overall Pp/Ppk from a sample vs a separate-module identity (≤2 ULP). Not design-stage Cp/Cpk, not Type A u_A = s/√n, and not Cpm. ≤2 ULP vs O3 applies only to the published tabulated process-performance vectors (centered, shifted, low, an alias, population ddof, a negative Ppk, four points, and one awkward sample). It is not a whole-domain guarantee and does not cover design-stage Cp/Cpk, Type A u_A, or Cpm.",
  "oracle": {
    "class": "O3",
    "library": "mpmath 1.4.1",
    "mpmath_dps": 80,
    "backend": null,
    "rounding": null,
    "independent_of_iut": true,
    "generator_id": "process-performance-mpmath-o3",
    "generator_version": "1.0.0",
    "generator_sha256": "98a4429a5c85f33a9e14f966ddaff253e98b847b7f90f8429b24c1d546253212",
    "table_sha256": "2db71f091e306bc25ebecc95f7081ca016901b784c029fe8dd041e8efbc7bad7"
  },
  "result_summary": {
    "passed": 8,
    "total": 8,
    "failed": 0,
    "max_error_ulp": 1,
    "threshold_ulp": 2,
    "max_threshold_ulp": 2
  },
  "public_files": {
    "manifest": "/evidence/engineering.process.performance/1.0.1.cvp.json",
    "this_file": "/evidence/engineering.process.performance/reproduce.json"
  },
  "vectors": [],
  "disclosure": {
    "policy": "calculatorx-public-evidence-v1",
    "full_validation": "private",
    "representation": "summary",
    "kind": "reproduce"
  }
}