{
  "tool_id": "art-329-tvm-bond-duration",
  "kernel_id": "art-329-tvm-bond-duration",
  "display_name": "Bond Macaulay / Modified Duration",
  "tool_version": "1.0.0",
  "mandate_type": "analytics_mandate",
  "purpose": "Macaulay and modified duration for a standard even-period bullet bond, given face value, coupon rate, yield to maturity, years to maturity, and compounding frequency. Prices the schedule and reports the PV-weighted average time to cash flows in years. Feeds compute_dv01 and compute_convexity for full fixed-income risk analytics.",
  "control_description": "Macaulay and modified duration for a standard even-period bullet bond, given face value, coupon rate, yield to maturity, years to maturity, and compounding frequency. Prices the schedule and reports the PV-weighted average time to cash flows in years. Feeds compute_dv01 and compute_convexity for full fixed-income risk analytics.",
  "declared_inputs": [],
  "declared_outputs": [
    "art-330-tvm-dv01",
    "art-331-tvm-convexity"
  ],
  "kernel_digest": "sha256:1a9ea550792a2f97b68467d9ee4ba5672eb14643c70df767526da61b7913d531",
  "trust_label": "independently verified -- zkVM execution proof (risc0/groth16-bn254)",
  "data_vintage": "2026-07-16",
  "last_validated": "2026-07-16",
  "conformance_fixtures_vendored": true,
  "compute_proof_ready": "ready",
  "wave": 57,
  "source_url": "https://ainumbers.co/chaingraph/art-329-tvm-bond-duration.html",
  "generated_at": "2026-07-25T20:02:55.601Z"
}