{
  "tool_id": "art-22-agentic-payments-protocol-comparator",
  "kernel_id": "art-22-agentic-payments-protocol-comparator",
  "display_name": "Agentic Payments Protocol Comparator",
  "tool_version": "1.1.0",
  "mandate_type": "routing_policy",
  "purpose": "Compares AP2, ACP, x402, Visa TAP, Mastercard Agentic Token, and Tempo MPP (Machine Payments Protocol) across 8 dimensions (backer, artifact, signing, scope, rail, identity, audit, status) and 6 agentic scenarios. Root node of the Agentic Rail Chain: routing_policy output determines Branch A (AP2/card) or Branch B (A2A/x402). Promoted from T276.",
  "control_description": "Compares AP2, ACP, x402, Visa TAP, Mastercard Agentic Token, and Tempo MPP (Machine Payments Protocol) across 8 dimensions (backer, artifact, signing, scope, rail, identity, audit, status) and 6 agentic scenarios. Root node of the Agentic Rail Chain: routing_policy output determines Branch A (AP2/card) or Branch B (A2A/x402). Promoted from T276.",
  "declared_inputs": [],
  "declared_outputs": [
    "art-16-google-ap2-mandate-builder",
    "art-23-visa-trusted-agent-protocol-inspector",
    "art-24-mastercard-agentic-token-builder",
    "art-25-a2a-agent-card-validator",
    "art-26-x402-payload-decoder-flow-simulator",
    "ptg-01-ap2-prompt-template-generator"
  ],
  "kernel_digest": "sha256:d3389851ebca78ebd45327e99035932bc36aa53855774154bd5abcd72afe7ae8",
  "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": "A",
  "source_url": "https://ainumbers.co/chaingraph/art-22-agentic-payments-protocol-comparator.html",
  "generated_at": "2026-07-25T20:02:55.601Z"
}