Evidence row 2633556

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.facts402.com/iban"
    ]
  ],
  "name": "IBAN Validation & BIC Lookup",
  "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 IBAN validation before saving bank details, invoicing or a payout: structure, mod-97 and national BBAN checksum where defined, plus country, bank code, account code, bank name, BIC and SEPA membership. Offline registry, instant. Checks structure, not whether the account exists. $0.01 USDC on Base; charged only on 2xx, never for invalid input.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "iban": "DE89 3704 0044 0532 0130 00"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "account_code": "0532013000",
              "bank": {
                "bic": "COBADEFFXXX",
                "name": "Commerzbank",
                "short_name": "Commerzbank Köln"
              },
              "bank_code": "37040044",
              "bban": "370400440532013000",
              "bic": {
                "bic": "COBADEFFXXX",
                "branch_code": "XXX",
                "country_code": "DE",
                "location_code": "FF",
                "type": "default"
              },
              "branch_code": null,
              "check_digits": "89",
              "country": "Germany",
              "country_code": "DE",
              "disclaimer": "Validated offline with schwifty 2026.10.1: ISO 13616 structure, mod-97 check digits and, where schwifty implements it, the country's national BBAN checksum (see 'national_checksum'). Bank data comes from schwifty's bundled registry and may be missing or out of date for some countries. A valid IBAN does not prove that the account exists, is open, or belongs to a given person.",
              "formatted": "DE89 3704 0044 0532 0130 00",
              "iban": "DE89370400440532013000",
              "input": "DE89 3704 0044 0532 0130 00",
              "is_aspirational": false,
              "national_checksum": "passed_or_not_applicable",
              "sepa_zone": true,
              "valid": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "iban": {
                      "description": "IBAN, spaces allowed",
                      "pattern": "^[A-Za-z0-9 ]{5,50}$",
                      "title": "Iban",
                      "type": "string"
                    }
                  },
                  "required": [
                    "iban"
                  ],
                  "title": "IbanRequest",
                  "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": "2026-11-02T22:30:54.739Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-02T22:30:54.48Z"
    },
    "resource": "https://api.facts402.com/iban",
    "serviceName": "IBAN Validation & BIC Lookup",
    "tags": [
      "iban validation",
      "iban validator",
      "bic lookup",
      "sepa check",
      "iban checksum"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use when an agent needs IBAN validation before saving bank details, invoicing or a payout: structure, mod-97 and national BBAN checksum where defined, plus country, bank code, account code, bank name, BIC and SEPA membership. Offline registry, instant. Checks structure, not whether the account exists. $0.01 USDC on Base; charged only on 2xx, never for invalid input."
}

What the leaf hashes

{"body":"f01c8693cf9a88bc85f8506a77cb47d32551ca15217c77e104c92a5589eaf161","id":2633556,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734405490809,"prev":1790413,"subject":"x402_bazaar:https://api.facts402.com/iban","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. 0x61964f718dc1bb3b32660160497bd4ca9830bcfaac582d89550bf8ae57d18a41
2. 0x08b1193054c659ffd524c0f370b62d883fcf5da30abbe0c24bc5c48a169eef70
3. 0xda74d680db0530ddd51315080fb8d0d05cf34efc878f63a93f201a13909050a7
4. 0x542a486af57455e045bdbbbbd5976f22ca376a5560ff51f41962f6d3757db3ef
5. 0x22e151ce2c3643bbb092be9896d95c10056d77bb4f28cc1018219ec7dda1e2f3
6. 0x0efecab6eab54a8f17c5e81b390e7ff4ee4740ddbb910293fe5d4672e3af186b
7. 0xf3c8ae7744da7b3551038ae5db6a56e486dcbe0ea615ae2016e0da06fc6b4e4d
8. 0x7402b1f31ebc29ef89420e1444570276e56c3aa4bc6fd56e41f13b1360e36649
9. 0x85e23dab0ffaa47f70828d3a3f33e27b526672a699721f28082139a4ea9fd4e1
10. 0x9cf45af38a38658143c70851166864e523bcca05fc44e647837a8e660fb5a16f
11. 0x478b12f7910cfd5ff309ae9c4f212c7de30f8184a5d449fbdc04afc8466adb61
12. 0x4e9abf4af955929c2b49b63a935ba94148e6b85362e01d45e1b6ff1c9c191985
13. 0x19e66cf94d3d2787fc459ee19c722a1b183024b2f719029ae6a0881eaa5dc8ed
14. 0xbf320f90cfe280db011085f74bddf4edc26cb0f41eedc38b0fa8b8f679ad0b5b
15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7