{
  "capability_id": "physics.fluid.alternate_depth",
  "calculation_version": "1.0.0",
  "protocol_version": "1.0.0-proposed",
  "protocol_document_status": "proposed",
  "verification_revision": "2026-09-26.o2-o3",
  "claim_scope": "O2: rectangular alternate depths from E=y+Q²/(2gA²) vs a separate-module identity (≤2 ULP). Not jump y2, not specific force M, not trapezoid, and not Q=Av. ≤2 ULP vs O3 applies only to the published tabulated alternate-depth vectors. Not jump y2, not M, and not trapezoid.",
  "oracle": {
    "class": "O3",
    "library": null,
    "mpmath_dps": 80,
    "backend": null,
    "rounding": null,
    "independent_of_iut": true,
    "generator_id": null,
    "generator_version": null,
    "generator_sha256": "6cddb35e85960646faf15aa56f0d3d5af4271cd010cc2f541574aef574f797a9",
    "table_sha256": "32b17fb7084027a6b3cebaaad3c71ffc9b65cc8ba7a2b6e69ccf5f6f52f11dd0"
  },
  "result_summary": {
    "passed": 8,
    "total": 8,
    "failed": 0,
    "max_error_ulp": 0,
    "threshold_ulp": 2,
    "max_threshold_ulp": 2
  },
  "public_files": {
    "manifest": "/evidence/physics.fluid.alternate_depth/1.0.0.cvp.json",
    "this_file": "/evidence/physics.fluid.alternate_depth/reproduce.json"
  },
  "vectors": [],
  "disclosure": {
    "policy": "calculatorx-public-evidence-v1",
    "full_validation": "private",
    "representation": "summary",
    "kind": "reproduce"
  }
}