Evidence row 2633552

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.facts402.com/vat"
    ]
  ],
  "name": "EU VAT Number Validation",
  "owner_address": "0x5498b0aa90cd56f8962cbd136df3d3769c85f149",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5498b0Aa90cd56F8962CBd136DF3D3769C85f149",
        "scheme": "exact"
      }
    ],
    "description": "Use when an agent needs EU VAT number validation for B2B invoicing, KYB or onboarding: offline format and check-digit test plus a live European Commission VIES lookup returning registration status, company name and address. Busy or offline member states return 503 and are not charged. $0.01 USDC on Base; charged only on 2xx, never for invalid input.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "vat_number": "IE6388047V"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "address": "3RD FLOOR, GORDON HOUSE, BARROW STREET, DUBLIN 4",
              "country_code": "IE",
              "disclaimer": "Format and check digits verified offline with python-stdnum 2.2; registration status, name and address come live from the European Commission's VIES at request time. Some member states do not disclose name/address via VIES. A valid VIES result confirms registration for intra-EU trade only.",
              "format_valid": true,
              "input": "IE6388047V",
              "name": "GOOGLE IRELAND LIMITED",
              "vat_number": "IE6388047V",
              "vies_checked": true,
              "vies_request_date": "2026-10-29T23:26:29.866Z",
              "vies_valid": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "vat_number": {
                      "description": "EU VAT number with country prefix, e.g. IE6388047V",
                      "pattern": "^[A-Za-z]{2}[A-Za-z0-9 .\\-]{2,20}$",
                      "title": "Vat Number",
                      "type": "string"
                    }
                  },
                  "required": [
                    "vat_number"
                  ],
                  "title": "VatRequest",
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1793658650/bazaar-icons/b19652566eac22f6.png",
    "lastUpdated": "2026-11-02T22:31:02.908Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T22:31:02.705Z"
    },
    "resource": "https://api.facts402.com/vat",
    "serviceName": "EU VAT Number Validation",
    "tags": [
      "vat validation",
      "vat number check",
      "vies",
      "eu vat",
      "kyb"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when an agent needs EU VAT number validation for B2B invoicing, KYB or onboarding: offline format and check-digit test plus a live European Commission VIES lookup returning registration status, company name and address. Busy or offline member states return 503 and are not charged. $0.01 USDC on Base; charged only on 2xx, never for invalid input."
}

What the leaf hashes

{"body":"178ac9cc367130ea3355be661fa4d77d1e979d86d8115648afe5f166198b4a9b","id":2633552,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734405479499,"prev":1261872,"subject":"x402_bazaar:https://api.facts402.com/vat","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x83c7699db4e22c6caec8ce157a72dac839c4614ef4c8d24a9af2e75a3ffc897a
2. 0x8db5fa67772e907fd30fc5730b8f03502857a446353c627692a8d0615fd1b89d
3. 0x3b4cd021494b0212d81582eec12da2b9ab72bf7ea211658691e8f3046834d502
4. 0xb7641ab5fc35d5b5d99d37aac7ada9f07799fdbb1c5730605eb2eaf39c29bed7
5. 0xe12f3488673f45fa2d10f18fcea00087b60e7fda343fb36e00631f5b879b1784
6. 0xa30ff36f6fcfce4ad738fc4af5a2db19a35b572fa3ffe5ad60e520cfe69cf24b
7. 0x0b6b21588a9ce65db2427237325e14d807f65f03cae7b68722b0b50c92da2cf6
8. 0xf03c56911c16475ec738045b6bf4641026ab2579fdfdf0c2d07e5c6dbb9132c5
9. 0x8fa47bd7dbc76444d14843e7710031eeb70d0856d699f0b6a7f72ff684e09fde
10. 0xe21f66756c417af1f65bbabacc4d3444968650683c404a056826ff04fa2543a9
11. 0x92bda16a92750d50889b5dc9ccd7d80117375d1c09711b49ab4be118b2349574
12. 0x309576acb6947379790a6ba6d95e16f9963844fa5ad432e6da539debb5405a03
13. 0x4c1bb7805c28c99914212233f31f3f9b3d39ed6d0209166fbe8eb2e894fc9168
14. 0xbee84d3e599fe34053b7031286879fa3c8cfb9cc2a5d0992b542033701205b5a
15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7