{
  "capability_id": "engineering.process.cpmk_performance",
  "calculation_version": "1.0.1",
  "protocol_version": "1.0.0-proposed",
  "protocol_document_status": "proposed",
  "verification_revision": "2026-09-24.o2-o3",
  "claim_scope": "O2: overall Taguchi Ppmk vs a separate-module sample identity (≤2 ULP). Not design-stage Cpmk, not Ppk, and not a Ppmk≥1.33 verdict. ≤2 ULP vs O3 applies only to the published tabulated Ppmk vectors (on target, off target, below target, an alias, a wider sample, a target away from the midpoint, one awkward sample, and ddof=0). It is not a whole-domain guarantee and does not cover design-stage Cpmk, Ppk, or a Ppmk≥1.33 verdict.",
  "oracle": {
    "class": "O3",
    "library": "mpmath 1.4.1",
    "mpmath_dps": 80,
    "backend": null,
    "rounding": null,
    "independent_of_iut": true,
    "generator_id": "cpmk-performance-mpmath-o3",
    "generator_version": "1.0.0",
    "generator_sha256": "814a211b11578a3fff4ff23a3922588545fc2d63609c73b3ae0d0fcc915a9a0d",
    "table_sha256": "72a63e5f0bd52ac0f0c54070eb646e4283975813d91bac232adfbfc127a6b27b"
  },
  "result_summary": {
    "passed": 8,
    "total": 8,
    "failed": 0,
    "max_error_ulp": 2,
    "threshold_ulp": 2,
    "max_threshold_ulp": 2
  },
  "public_files": {
    "manifest": "/evidence/engineering.process.cpmk_performance/1.0.1.cvp.json",
    "this_file": "/evidence/engineering.process.cpmk_performance/reproduce.json"
  },
  "vectors": [],
  "disclosure": {
    "policy": "calculatorx-public-evidence-v1",
    "full_validation": "private",
    "representation": "summary",
    "kind": "reproduce"
  }
}