{
  "_comment": "OpenChainGraph v0.4 conformance vector. Reproduce: execution_hash = SHA-256 hex of canonical_preimage; canonical_preimage = JSON.stringify(cgCanon({policy_parameters, output_payload})) per standard/SPEC.md §4. See README.md.",
  "tool_id": "art-12-acp-checkout-conformance-validator",
  "spec_version": "0.4.0",
  "fixture": "valid_checkout_request_pass",
  "policy_parameters": {
    "message_type_override": "auto",
    "payload": {
      "message_type": "CheckoutRequest",
      "request_id": "req-abc-001",
      "merchant_id": "merchant-acme",
      "agent_id": "agent:acme:shopping-bot:v2",
      "amount": 49.99,
      "currency": "USD",
      "items": [
        {
          "sku": "WIDGET-001",
          "unit_price": 24.99,
          "quantity": 2
        }
      ],
      "timestamp": "2026-06-19T10:00:00.000Z",
      "redirect_url": "https://acme.com/checkout/confirm",
      "signature": "ed25519:MEYCIQDexampleSignatureHere",
      "idempotency_key": "idem-abc-001"
    }
  },
  "output_payload": {
    "overall_status": "pass",
    "pass_count": 15,
    "fail_count": 0,
    "warn_count": 0,
    "checks": [
      {
        "code": "ACP-T01",
        "status": "pass"
      },
      {
        "code": "ACP-R01",
        "status": "pass"
      },
      {
        "code": "ACP-R02",
        "status": "pass"
      },
      {
        "code": "ACP-R03",
        "status": "pass"
      },
      {
        "code": "ACP-R04",
        "status": "pass"
      },
      {
        "code": "ACP-R05",
        "status": "pass"
      },
      {
        "code": "ACP-R06",
        "status": "pass"
      },
      {
        "code": "ACP-R07",
        "status": "pass"
      },
      {
        "code": "ACP-R08",
        "status": "pass"
      },
      {
        "code": "ACP-R09",
        "status": "pass"
      },
      {
        "code": "ACP-R10",
        "status": "pass"
      },
      {
        "code": "ACP-R07a",
        "status": "pass"
      },
      {
        "code": "ACP-P01",
        "status": "pass"
      },
      {
        "code": "ACP-R11",
        "status": "pass"
      },
      {
        "code": "ACP-SIG1",
        "status": "pass"
      }
    ],
    "merchant_id": "merchant-acme",
    "currency": "USD"
  },
  "canonical_preimage": "{\"output_payload\":{\"checks\":[{\"code\":\"ACP-T01\",\"status\":\"pass\"},{\"code\":\"ACP-R01\",\"status\":\"pass\"},{\"code\":\"ACP-R02\",\"status\":\"pass\"},{\"code\":\"ACP-R03\",\"status\":\"pass\"},{\"code\":\"ACP-R04\",\"status\":\"pass\"},{\"code\":\"ACP-R05\",\"status\":\"pass\"},{\"code\":\"ACP-R06\",\"status\":\"pass\"},{\"code\":\"ACP-R07\",\"status\":\"pass\"},{\"code\":\"ACP-R08\",\"status\":\"pass\"},{\"code\":\"ACP-R09\",\"status\":\"pass\"},{\"code\":\"ACP-R10\",\"status\":\"pass\"},{\"code\":\"ACP-R07a\",\"status\":\"pass\"},{\"code\":\"ACP-P01\",\"status\":\"pass\"},{\"code\":\"ACP-R11\",\"status\":\"pass\"},{\"code\":\"ACP-SIG1\",\"status\":\"pass\"}],\"currency\":\"USD\",\"fail_count\":0,\"merchant_id\":\"merchant-acme\",\"overall_status\":\"pass\",\"pass_count\":15,\"warn_count\":0},\"policy_parameters\":{\"message_type_override\":\"auto\",\"payload\":{\"agent_id\":\"agent:acme:shopping-bot:v2\",\"amount\":49.99,\"currency\":\"USD\",\"idempotency_key\":\"idem-abc-001\",\"items\":[{\"quantity\":2,\"sku\":\"WIDGET-001\",\"unit_price\":24.99}],\"merchant_id\":\"merchant-acme\",\"message_type\":\"CheckoutRequest\",\"redirect_url\":\"https://acme.com/checkout/confirm\",\"request_id\":\"req-abc-001\",\"signature\":\"ed25519:MEYCIQDexampleSignatureHere\",\"timestamp\":\"2026-06-19T10:00:00.000Z\"}}}",
  "execution_hash": "6f3f674f478c4d4e8905f0132a37e0f52e4f225c666ee5c7eab523b236889563"
}