addrbookFor publishers
← The evidence ledger

Evidence row 2200056

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/vat-customs-country-origin-validator
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
784eb8a0f844d814f368af9041dcb0a5af10727d957d7a6bb09285205ddb9be5
Leaf
0x40d021c032843f1f3a5108d47d00b2528c05d46e1c0650099b145568682b48e3

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://commerce-validator.halowerk.com/v1/eu/vat-customs-country-origin-validator"
    ]
  ],
  "name": "HALOWERK EU Commerce Validators",
  "owner_address": "0x2880edfff13100677bf97a3cbdf3bc34771c4e5e",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "currency": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "asset": "USDC",
          "assetTransferMethod": "eip3009",
          "eip712Domain": {
            "chainId": 8453,
            "name": "USD Coin",
            "verifyingContract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
            "version": "2"
          },
          "name": "USD Coin",
          "network_name": "Base Mainnet",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "recipient": "0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E",
        "scheme": "exact"
      }
    ],
    "description": "Validate the country origin signal in a fixed vat customs text or HTML snapshot. It reports evidence and missing signals without fetching or retaining the page and without certifying legal compliance.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "customer_country": "FR",
              "declared_fields": [
                "country-origin"
              ],
              "document_text": "Seller GmbH — country origin declared for this transaction.",
              "effective_date": "2026-09-04",
              "seller_country": "DE"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {},
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "customer_country": {
                      "enum": [
                        "AT",
                        "BE",
                        "BG",
                        "HR",
                        "CY",
                        "CZ",
                        "DK",
                        "EE",
                        "FI",
                        "FR",
                        "DE",
                        "GR",
                        "HU",
                        "IE",
                        "IT",
                        "LV",
                        "LT",
                        "LU",
                        "MT",
                        "NL",
                        "PL",
                        "PT",
                        "RO",
                        "SK",
                        "SI",
                        "ES",
                        "SE"
                      ],
                      "type": "string"
                    },
                    "declared_fields": {
                      "default": [],
                      "items": {
                        "maxLength": 100,
                        "minLength": 1,
                        "type": "string"
                      },
                      "maxItems": 200,
                      "type": "array",
                      "uniqueItems": true
                    },
                    "document_text": {
                      "description": "Fixed text or HTML snapshot to validate. It is processed in memory and not persisted.",
                      "maxLength": 50000,
                      "minLength": 1,
                      "type": "string"
                    },
                    "effective_date": {
                      "description": "Date on which the commercial decision is evaluated (YYYY-MM-DD).",
                      "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
                      "type": "string"
                    },
                    "page_url": {
                      "description": "Optional provenance URL. The validator does not fetch it.",
                      "maxLength": 2048,
                      "pattern": "^https?://",
                      "type": "string"
                    },
                    "seller_country": {
                      "enum": [
                        "AT",
                        "BE",
                        "BG",
                        "HR",
                        "CY",
                        "CZ",
                        "DK",
                        "EE",
                        "FI",
                        "FR",
                        "DE",
                        "GR",
                        "HU",
                        "IE",
                        "IT",
                        "LV",
                        "LT",
                        "LU",
                        "MT",
                        "NL",
                        "PL",
                        "PT",
                        "RO",
                        "SK",
                        "SI",
                        "ES",
                        "SE"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "effective_date",
                    "seller_country",
                    "customer_country",
                    "document_text"
                  ],
                  "type": "object"
                },
                "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": {},
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type",
                "example"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T17:01:47.823Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T17:01:47.597Z"
    },
    "resource": "https://commerce-validator.halowerk.com/v1/eu/vat-customs-country-origin-validator",
    "serviceName": "HALOWERK EU Commerce Validators",
    "tags": [
      "eu-commerce",
      "validator",
      "vat-customs",
      "vat-customs-country-origin-valid"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate the country origin signal in a fixed vat customs text or HTML snapshot. It reports evidence and missing signals without fetching or retaining the page and without certifying legal compliance."
}

What the leaf hashes

{"body":"784eb8a0f844d814f368af9041dcb0a5af10727d957d7a6bb09285205ddb9be5","id":2200056,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646795703687,"prev":null,"subject":"x402_bazaar:https://commerce-validator.halowerk.com/v1/eu/vat-customs-country-origin-validator","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (444186 rows).

  1. 0x40d08e22b4f3ac09d2d3988d06d241984ddf7b5d8372028d2f4d0dd7afb3627f
  2. 0x719a57d45528793d9798eebd1c3dcaa06093aa9db2fe384aeba25989a9418425
  3. 0xc06da6ca997ab958b48a4122b34b589ec6da70852b6bc52bbbef643f36ad54ba
  4. 0xe6c1bb268c24cc5553c0c71e8b8493feca1781c99c2d3dce9d199e1cc0eb9ea4
  5. 0x8e5a4a09fd836a7997c1f3a2f4e82d7f9c348cb9e2b1049bfcdc44736b505409
  6. 0x0ba0164ddf3314e37e421641f73ccdb7eff2af9eef251d542413409aebedcff7
  7. 0xe3831efbe2d851937d9b7735a961bcb01728791a2e02f596814c1df051f02854
  8. 0xc9f753052dc34629b091146275547ca41f0a5975b7d8d9f0398d8ac19fbc624b
  9. 0xef4a85fa2455ed556861248dad910935535707e4358466a74f5e9d623a3d9b86
  10. 0xf028353f19f66666ab6ddc061edd65520739378964699154b0759020ed48c9ca
  11. 0x6dec219a33416fe7ad19c84864fbc661999387bec5e7a1391f52acc30235b539
  12. 0xd10237e81588c4b94b9258d4cf623f18b0507e9f91efeefa9fb9c83f92df12b9
  13. 0x1a30e008133011de2f6376e0b8ac235c7b5fd254513a57eac575300e54ac3544
  14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
  15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
  16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
  17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
  18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
  19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e
Day root
0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1
Chained
0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2
Published
On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af

How to check it · This row as JSON