{
  "capability_id": "engineering.process.cpm_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 Ppm vs a separate-module sample identity (≤2 ULP). Not design-stage Cpm, not Pp/Ppk, and not a Ppm≥1.33 verdict. ≤2 ULP vs O3 applies only to the published tabulated Ppm 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 Cpm, Pp/Ppk, or a Ppm≥1.33 verdict.",
  "oracle": {
    "class": "O3",
    "library": "mpmath 1.4.1",
    "mpmath_dps": 80,
    "backend": null,
    "rounding": null,
    "independent_of_iut": true,
    "generator_id": "cpm-performance-mpmath-o3",
    "generator_version": "1.0.0",
    "generator_sha256": "62aee27e59d97d57265ff0f12a9b16149ad66b6dd460809b1dd5f86d69184271",
    "table_sha256": "ad08a29b306bf3dad3e1365eb3fb1385109b7583d58e0f78ea0d7cc8c3cb4ad7"
  },
  "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.cpm_performance/1.0.1.cvp.json",
    "this_file": "/evidence/engineering.process.cpm_performance/reproduce.json"
  },
  "vectors": [],
  "disclosure": {
    "policy": "calculatorx-public-evidence-v1",
    "full_validation": "private",
    "representation": "summary",
    "kind": "reproduce"
  }
}