{
  "tool_id": "art-217-trid-apr-accuracy",
  "kernel_id": "art-217-trid-apr-accuracy",
  "display_name": "TRID APR Accuracy Verifier",
  "tool_version": "1.0.0",
  "mandate_type": "compliance_mandate",
  "purpose": "TRID APR accuracy check per Reg Z §1026.22(a). Verifies disclosed APR against actual APR within 1/8 percentage point tolerance for regular transactions or 1/4 percentage point for irregular transactions. Returns verdict: accurate, accurate_overstated_ok, understated_violation, or overstated_violation. APR understatement is a TILA violation; overstatement within tolerance is not.",
  "control_description": "TRID APR accuracy check per Reg Z §1026.22(a). Verifies disclosed APR against actual APR within 1/8 percentage point tolerance for regular transactions or 1/4 percentage point for irregular transactions. Returns verdict: accurate, accurate_overstated_ok, understated_violation, or overstated_violation. APR understatement is a TILA violation; overstatement within tolerance is not.",
  "declared_inputs": [
    "art-215-reg-z-appendix-j-apr"
  ],
  "declared_outputs": [],
  "kernel_digest": "sha256:a74ebe7cdb837e03a939cbe160d49a4f412192f9c98d5d928c8daddda570f8fd",
  "trust_label": "independently verified -- zkVM execution proof (risc0/groth16-bn254)",
  "data_vintage": "2026-07-10",
  "last_validated": "2026-07-10",
  "conformance_fixtures_vendored": true,
  "compute_proof_ready": "ready",
  "wave": 37,
  "source_url": "https://ainumbers.co/chaingraph/art-217-trid-apr-accuracy.html",
  "generated_at": "2026-07-25T20:02:55.601Z"
}