Evidence row 63630

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agents.factstamp.dev/vat"
    ]
  ],
  "name": "agents.factstamp.dev/vat",
  "owner_address": "0xc3bcd24a2b350cc73b8516b2a0539a323b42cc32",
  "raw": {
    "accepts": [
      {
        "amount": "50000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "An EU VAT number check — VAT validity, and the VAT registration behind it. Relevant wherever a VAT number is being relied on or cited: the check reads the official VIES service (European Commission), keyless, and returns valid, invalid or unknown — an outage is never reported as invalid — with the member state, the register's own request date, and the trader identity only where that member state discloses it. GB is out of scope after Brexit; XI (Northern Ireland) is covered. Not tax advice.",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "50000",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "payTo": "0xc3bcd24a2b350cc73b8516b2a0539a323b42cc32",
        "resource": "https://agents.factstamp.dev/vat",
        "scheme": "exact",
        "serviceName": "FactStamp"
      }
    ],
    "description": "An EU VAT number check — VAT validity, and the VAT registration behind it. Relevant wherever a VAT number is being relied on or cited: the check reads the official VIES service (European Commission), keyless, and returns valid, invalid or unknown — an outage is never reported as invalid — with the member state, the register's own request date, and the trader identity only where that member state discloses it. GB is out of scope after Brexit; XI (Northern Ireland) is covered. Not tax advice.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "country_code": "IE",
              "vat_number": "6388047V"
            },
            "bodyType": "application/json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "check": {
                "isValid": true,
                "userError": "VALID",
                "vat_number": "6388047V"
              },
              "country": {
                "code": "IE",
                "in_vies": true,
                "name": "Ireland"
              },
              "coverage": {
                "complete": true,
                "consulted": [
                  "vies"
                ],
                "not_consulted": []
              },
              "query": {
                "country_code": "IE",
                "vat_number": "6388047V"
              },
              "receipt": {
                "alg": "Ed25519",
                "key_id": "2331751858f5e3b1"
              },
              "receipt_url": "https://factstamp.agentrails.workers.dev/r/c41e77b2aa90d613",
              "scope": "in_scope",
              "source": {
                "consultation_number": {
                  "available": false
                },
                "licence": "CC BY 4.0 (European Commission reuse policy, Decision 2011/833/EU)",
                "member_state_code": "IE",
                "request_date": "2026-10-07T07:40:59.315Z",
                "source": "VIES (European Commission)"
              },
              "tool": "check_vat",
              "trader": {
                "address": "3RD FLOOR, GORDON HOUSE, BARROW STREET, DUBLIN 4",
                "identity_disclosed": true,
                "name": "GOOGLE IRELAND LIMITED"
              },
              "verdict": "valid"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "input": {
              "additionalProperties": true,
              "properties": {
                "body": {
                  "type": "object"
                },
                "bodyType": {
                  "const": "application/json"
                },
                "method": {
                  "const": "POST"
                },
                "type": {
                  "const": "http"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "additionalProperties": true,
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "const": "json"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "type": "object"
            }
          },
          "required": [
            "input",
            "output"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T16:53:03.947Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T16:53:03.459Z"
    },
    "resource": "https://agents.factstamp.dev/vat",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "An EU VAT number check — VAT validity, and the VAT registration behind it. Relevant wherever a VAT number is being relied on or cited: the check reads the official VIES service (European Commission), keyless, and returns valid, invalid or unknown — an outage is never reported as invalid — with the member state, the register's own request date, and the trader identity only where that member state discloses it. GB is out of scope after Brexit; XI (Northern Ireland) is covered. Not tax advice."
}

What the leaf hashes

{"body":"0b64948410daaba3f8d3cb8fe4ee3ecfc6c2f9c6c685b2bd784376efc39161dc","id":63630,"kind":"listing","method":"baseline/1","observed_us":1793025455226842,"prev":null,"subject":"x402_bazaar:https://agents.factstamp.dev/vat","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xcfa39163b4b3c59fa90417e3d6c474aa3341c98d49bfda3963bba3c691e9f966
2. 0xbb9deaa0aeb7cc19c3fe5e4c84ff82c50f0a1193e8f30b97f0781dabe68616c0
3. 0x11bd58642d79baf2f2a2b63438c01bf807f37f2f3ee77f65408ba85caaacf53a
4. 0x1348aff911a0f1fb7b477b021a02fee62f1d04cf7274791a7e11ba4c21fdc341
5. 0x1f2ec5623a8e69e2bf0202364cb4ecad1e835fddca9952cad24a64276b92e436
6. 0x6692d5dfc17d001106141f0b28aa6d698979759a818286f9278f62b2b0511f62
7. 0xd995076c5b74afeb6172648820b4a6ccd0f1b5f8ea3ec8b01090705db7c1d6c9
8. 0x7f59a4ab38761f7ac793c888330563d75ba452a218653894f7c295d06dd9072d
9. 0x623f354983789a9c1a79e35acbfbc11f6229b4e80505cdb2d12d4d9a185b66a8
10. 0xe80cf76bacef3df61a800537d5481bfa232c64dfad273eae27f78fe186ee2452
11. 0x207f4447ed1f515deb649bcfed4e5e49ab2ac52233bfac09df6fa492c34ac758
12. 0x3f401930661bff9a668037b662b5b8766fa60035f100a3e9fc585c576d892ffa
13. 0xe43762a621da83c0b4b63f549cd2e19c428ac702bfc1038d70233867b06c447f
14. 0xefabf1105e09cf52c12c58e60cbb5048b9ac3f02631d1816a926e14bdd86fbdf
15. 0xe94ca5b798e9899ad611e57835af42266e20f53f44977e487d81365e30972beb
16. 0x703f95866af09c5e5d6ead7411e9a10f964a41a2aff64d4a55ff0053c023a023
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae