Evidence row 1261876

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.facts402.com/iban"
    ]
  ],
  "name": "IBAN & BIC Check",
  "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": "Validate an IBAN (structure, mod-97 and, where defined, national BBAN checksum) and return country, bank code, account code, bank name, BIC and SEPA membership. Offline registry, instant. For payment, invoicing and payout agents.",
    "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 Bank data comes from schwifty's bundled registry and may be missing or out of date for some countries.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"
        }
      }
    },
    "lastUpdated": "2026-10-30T10:50:13.601Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-30T10:50:13.428Z"
    },
    "resource": "https://api.facts402.com/iban",
    "serviceName": "IBAN & BIC Check",
    "tags": [
      "iban",
      "bic",
      "banking",
      "payments",
      "sepa"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate an IBAN (structure, mod-97 and, where defined, national BBAN checksum) and return country, bank code, account code, bank name, BIC and SEPA membership. Offline registry, instant. For payment, invoicing and payout agents."
}

What the leaf hashes

{"body":"3a405250a1810a99bb77f0044aad3b83c1cc1e5337328b33829a0d1ac4060bf3","id":1261876,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385517065481,"prev":null,"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 2026-10-30 (243099 rows).

1. 0x474e9dde686f51dede2405006e16584a2e9c595cc4023b56d7f022ff8c5768ce
2. 0xfac7b17ccee13309dbc1d8147a223dd0fcbb41133cdab06147d8c8d128e42aa6
3. 0x4e425a59f0bdca4247031bd32e9f6d9c3db2831876952230e1a41188e396b363
4. 0x2e642edff0336f69e15c6b8c46abce4e7e7d38b1d9072da793ca9a0a3be22be8
5. 0x21bb4e59f6de2cb48769f2fdd5216cba688a235012302986dd75022373615701
6. 0x6b9c089cda51a5883a744f7b3dac166a50b63c69548036fe5ce8a2f4a7f592a2
7. 0xe7a0705dde1c4b454ec3df84de6455c7d09832e49ae7eb07983bd056f216064e
8. 0xd0c37c5450b0e802ad6020d1e82230a03494cd058e1598a350329a0ba9b39697
9. 0xd6d5af8a8ebf099528b135b789048f72a70f1b6c3a02e273dbf1af51809ef825
10. 0x1c7f0b14af3014543c5c15ce795c59cafe9a43dd1f83d1b56b6e646be09503cc
11. 0xbe6311f1349c9df96db0210d1cc31adf1cf9c23c4293ac4b26fd48b5968c53e1
12. 0xbd5c85e2682d76725be130a44cbbcc9d4be383fb556e6028d95854d01e041ed3
13. 0x0b8a485e6ab0668fbad8011e734741b720cdbb463970428343e7f73238a809f9
14. 0x9ace81ddbf101c81e3033efcaf62a4f4ad2b7dc0b97b61a7adf81117108ff2f7
15. 0xa937fac4496d1d79e24c5f12abd33388ef710185b9d82165d4b39af6bd434545
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861