{
  "capability_id": "chemistry.equilibrium.weak_acid",
  "calculation_version": "1.0.4",
  "protocol_version": "1.0.0-proposed",
  "protocol_document_status": "proposed",
  "verification_revision": "2026-10-13.node22-residual-replay",
  "claim_scope": "O2: monoprotic weak-acid ICE vs a separate-module quadratic or Newton cubic (≤2 ULP). Not a buffer. Absolute 1e-8 vs O3 applies only to the published tabulated weak-acid vectors. Not a buffer.",
  "oracle": {
    "class": "O3",
    "library": "mpmath 1.4.1",
    "mpmath_dps": 80,
    "backend": null,
    "rounding": null,
    "independent_of_iut": true,
    "generator_id": "weak-acid-mpmath-o3",
    "generator_version": "1.0.0",
    "generator_sha256": "9942ed8b3900d4ff8a0587b9ed80f0d014e40006e8436fa0e9b0335e24bbf5a7",
    "table_sha256": "c708db40c3aa939e16df74898be0b13e465f9261bcbee46d82b8df271a8aeeb7"
  },
  "result_summary": {
    "passed": 8,
    "total": 8,
    "failed": 0,
    "max_error_ulp": 387502,
    "threshold_ulp": 1e-8,
    "max_threshold_ulp": 1e-8
  },
  "public_files": {
    "manifest": "/evidence/chemistry.equilibrium.weak_acid/1.0.4.cvp.json",
    "this_file": "/evidence/chemistry.equilibrium.weak_acid/reproduce.json"
  },
  "vectors": [],
  "disclosure": {
    "policy": "calculatorx-public-evidence-v1",
    "full_validation": "private",
    "representation": "summary",
    "kind": "reproduce"
  }
}