Evidence row 527177

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentsvc.io/api/v1/proxy/vat-validate"
    ]
  ],
  "name": "EU VAT Number Validation",
  "owner_address": "0x622efa6ceb83a5b6edbc931332f4db68b7f74f27",
  "raw": {
    "accepts": [
      {
        "amount": "4500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      },
      {
        "amount": "4500",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg",
        "scheme": "exact"
      },
      {
        "amount": "4500",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      },
      {
        "amount": "4500",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      }
    ],
    "description": "Validate an EU VAT identification number live against the official EU VIES service, with registered company name and address where the member state discloses them. Checks the national format first. Not charged if the member state service is temporarily unavailable. Params: vat_number (with country prefix, e.g. NL004495445B01, DE811569869) or vat_number + country_code.",
    "extensions": {
      "bazaar": {
        "category": "utility",
        "info": {
          "input": {
            "body": {
              "vat_number": "NL004495445B01"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "address": "VOLDERSGRACHT 00001, 2611ET DELFT",
                "checked_at": "2026-10-06T14:17:43.626Z",
                "country_code": "NL",
                "format_valid": true,
                "full_vat_number": "NL004495445B01",
                "name": "OPENJONGERENVERENIGING DE KOORNBEURS",
                "source": "EU VIES",
                "valid": true,
                "vat_number": "004495445B01"
              },
              "success": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "country_code": {
                      "description": "Two-letter EU code if the number has no prefix (EL for Greece, XI for Northern Ireland)",
                      "type": "string"
                    },
                    "vat_number": {
                      "description": "VAT number, ideally with EU country prefix",
                      "type": "string"
                    }
                  },
                  "required": [
                    "vat_number"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "properties": {
                        "address": {
                          "type": "string"
                        },
                        "checked_at": {
                          "type": "string"
                        },
                        "country_code": {
                          "type": "string"
                        },
                        "format_valid": {
                          "type": "boolean"
                        },
                        "full_vat_number": {
                          "type": "string"
                        },
                        "name": {
                          "type": "string"
                        },
                        "source": {
                          "type": "string"
                        },
                        "valid": {
                          "type": "boolean"
                        },
                        "vat_number": {
                          "type": "string"
                        }
                      },
                      "required": [
                        "valid",
                        "country_code",
                        "vat_number"
                      ],
                      "type": "object"
                    },
                    "success": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "success",
                    "data"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "vat-validation",
          "vat-number",
          "vat",
          "vies",
          "tax",
          "kyb",
          "eu"
        ]
      },
      "builder-code": {
        "info": {
          "a": "bc_q6wi3opd"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791462963/bazaar-icons/243ff0b79dbee242.png",
    "lastUpdated": "2026-10-27T09:55:39.76Z",
    "quality": {
      "l30DaysTotalCalls": 14,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T09:55:39.563Z"
    },
    "resource": "https://agentsvc.io/api/v1/proxy/vat-validate",
    "serviceName": "EU VAT Number Validation",
    "tags": [
      "vat-validation",
      "vat-number",
      "vat",
      "vies",
      "tax"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate an EU VAT identification number live against the official EU VIES service, with registered company name and address where the member state discloses them. Checks the national format first. Not charged if the member state service is temporarily unavailable. Params: vat_number (with country prefix, e.g. NL004495445B01, DE811569869) or vat_number + country_code."
}

What the leaf hashes

{"body":"036468fa8fae669c30a66e6d745c3879c255f1fe0f6be71d68d5a143adcb5c3c","id":527177,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124795704745,"prev":452235,"subject":"x402_bazaar:https://agentsvc.io/api/v1/proxy/vat-validate","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xfd1c308e6e54930388c38e7de5203264a0ceb086a1987f8694659dd1e3189ee7
2. 0x97adf614f24009ca163d5ed692e13bbc976f22b26d982eed468104d79dfe2e3b
3. 0x86f306d3ba7e5b18af2b0143a5f7ef9083ed189314148251675b49942600e193
4. 0x58dbbeb3f919ca774595b73d262c7b4340f540cbe1d4a2ea7085faf6aad9e3e1
5. 0x0f26eea7637ff9c453fcd3d38cfa2ecb085151b355c67d37ed16ab347dadf202
6. 0xb6e772bc7322cc2b0e60505f24765385d3ce605b1cb173e71a5a36d447114637
7. 0xdb4f9cf5c3d223405402e786b7790174b6556ceb572388f0d2baac219cbf721b
8. 0x80357167282470f8d8445a09d7abed9807449924f4039aee10ca94ec04db37f8
9. 0x11d918f78d0af62c93797d35a3e7688d1baf3dbb165f6a0761dd2d76c564ffba
10. 0x5943b7c2a87ba36d413415050817f9a38998089d1ceec112a43fc5f1f8e900f1
11. 0x913c1ab81bd3a3abbf855573e8ced45a41df599bd9b6062b6a769ca205198aa7
12. 0x405c03a710a7150f5182f236dbd76258bf856f8cdf3ac954821ac082524f65da
13. 0x56e872147e60f01cdcee33340b018a7ad7be91ec5b5daef0d2c629c3ca13cbd8
14. 0xb5b652bba4a5afca56c21031d89b1c06361563aaf54ccc8541c296ceeb2b66fa

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4