{
  "capability_id": "physics.fluid.iso_nozzle",
  "calculation_version": "1.0.0",
  "protocol_version": "1.0.0-proposed",
  "protocol_document_status": "proposed",
  "verification_revision": "2026-09-27.o2-o3",
  "claim_scope": "O2: ISO 5167-3 ISA 1932 Q=C E A2 √(2Δp/ρ), C from β and Re_D vs a separate-module identity (≤2 ULP). Not given C_d, not RHG orifice, not venturi type C, not long-radius, not Q=Av, and not Darcy. ≤2 ULP vs O3 applies only to the published tabulated ISO-nozzle vectors. Not given C_d, not RHG orifice, not venturi type C, not long-radius, and not Q=Av.",
  "oracle": {
    "class": "O3",
    "library": "mpmath 1.4.1",
    "mpmath_dps": 80,
    "backend": null,
    "rounding": null,
    "independent_of_iut": true,
    "generator_id": "iso-nozzle-mpmath-o3",
    "generator_version": "1.0.0",
    "generator_sha256": "6e12d6d66471f033ba15bc8a5936e6ae931262bbc644e3ee1348f02a69a91755",
    "table_sha256": "ab3a953c8861ffae1f514843f67784a55827ddb7823108aa4552ffcac097e671"
  },
  "result_summary": {
    "passed": 8,
    "total": 8,
    "failed": 0,
    "max_error_ulp": 2,
    "threshold_ulp": 2,
    "max_threshold_ulp": 2
  },
  "public_files": {
    "manifest": "/evidence/physics.fluid.iso_nozzle/1.0.0.cvp.json",
    "this_file": "/evidence/physics.fluid.iso_nozzle/reproduce.json"
  },
  "vectors": [],
  "disclosure": {
    "policy": "calculatorx-public-evidence-v1",
    "full_validation": "private",
    "representation": "summary",
    "kind": "reproduce"
  }
}