{
  "tool_id": "art-62-ap2-payment-receipt-verifier",
  "kernel_id": "art-62-ap2-payment-receipt-verifier",
  "display_name": "AP2 PaymentReceipt Verifier & HNP Guardrail",
  "tool_version": "1.0.0",
  "mandate_type": "attestation_mandate",
  "purpose": "Verifies an AP2 v0.2 PaymentReceipt against its signed Intent/Cart/Payment mandate chain, and applies the Human-Not-Present (HNP) autonomy guardrail: amount, category, mandate age, cart freshness. Runtime/post-trade: art-01 validates the mandate before the buy; ART-62 verifies the receipt after, applying HNP gating (AP2 v0.2 new primitive, FIDO Alliance Apr 2026).",
  "control_description": "Verifies an AP2 v0.2 PaymentReceipt against its signed Intent/Cart/Payment mandate chain, and applies the Human-Not-Present (HNP) autonomy guardrail: amount, category, mandate age, cart freshness. Runtime/post-trade: art-01 validates the mandate before the buy; ART-62 verifies the receipt after, applying HNP gating (AP2 v0.2 new primitive, FIDO Alliance Apr 2026).",
  "declared_inputs": [
    "art-60-agent-economy-runtime-fit-diagnostic"
  ],
  "declared_outputs": [
    "art-01-ap2-mandate-chain-validator",
    "cry-05-agent-action-audit-trail-aggregator"
  ],
  "kernel_digest": "sha256:ca4201c7c2cff9069746a1e76dc3f53f390845654f2049dfb8769857a7ae12b9",
  "trust_label": "deferred -- deterministic source published, zkVM proof not yet generated",
  "data_vintage": "2026-07-10",
  "last_validated": "2026-07-10",
  "conformance_fixtures_vendored": false,
  "compute_proof_ready": "ready",
  "wave": 14,
  "source_url": "https://ainumbers.co/chaingraph/art-62-ap2-payment-receipt-verifier.html",
  "generated_at": "2026-07-25T20:02:55.601Z"
}