Evidence row 548431

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://fittings.sh/v1/valid/lei"
    ]
  ],
  "name": "fittings",
  "owner_address": "0xe025442c0d6dc17ad2b9eb888b3565bdfcd98638",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xe025442C0d6dC17aD2b9eB888B3565bdFCd98638",
        "scheme": "exact"
      }
    ],
    "description": "Validate an ISO 17442 Legal Entity Identifier checksum and extract its issuing LOU prefix.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "lei": "549300MLUDYVRQOOXS22"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "lei": {
                      "type": "string"
                    }
                  },
                  "required": [
                    "lei"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "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/v1786826608/bazaar-icons/716f4937536b740e.png",
    "lastUpdated": "2026-10-27T10:07:48.599Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T10:07:48.19Z"
    },
    "resource": "https://fittings.sh/v1/valid/lei",
    "serviceName": "fittings",
    "tags": [
      "valid"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate an ISO 17442 Legal Entity Identifier checksum and extract its issuing LOU prefix."
}

What the leaf hashes

{"body":"c650ad87cf1b6d486fc3a33a9783a33ec191820c4e810826e08404cfdcb2cffc","id":548431,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133304921037,"prev":453296,"subject":"x402_bazaar:https://fittings.sh/v1/valid/lei","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. 0x9825c7253f89fc3b2e1bc3904ccbfb21649e57480694aeeead1505a07e1d9edc
2. 0x7da329ce9359a79746f2a440630d439ea236f12a391be8cef803dbecd0b50c3e
3. 0x1cf4789c8ef6d5150163ad774a5b335c69ccf4e0e075a0a12cf284693f788f34
4. 0x6a65b80bb002099bc1d098689d112c9478825ac56a756eae7a536a110d48f197
5. 0x4799942d100c9b1ad91630795596fb6e4f3e32ddfb55dd248569f0613779a298
6. 0x4780f7aa81d37a375eabb938b6dcd7c7e14f9ab5aa1913ff38ac047ad65bdc62
7. 0x6aa203cd583bb9fd2947b62578c35cca12b4b7090206f16f25b88632bddf0590
8. 0x045049590999c2640f252d4e828d7653beee0d1039cd407993d1bca134c48b12
9. 0xd125aec498672a58dfa9d1910dfde8dca5b73e7f46707e76792ffc2dcd91dfe6
10. 0x1c722c9044e8e0376a8ec2ea9b9afc5d86689ca0ab56008144c16e747fb78efb
11. 0xa5c23f377d8ff4ee53b580cb756ab2bc047f39357bdac89f30099775b7b2ef70
12. 0x265cee5401cfadc89cfe40c27cc910090736b6a94b8d688bb7729f0791087d26
13. 0xfe6d2e9a468b7e99de9162a2ef30ac0b0e3b318387b4356bf524493aa67b295b
14. 0xa3c9c760ee424c178bab782711c2b9d3e15a80a6fde99165972cb75b306bb8b4
15. 0xb4f7223140c8a36cb87a63d77cf617086d9968dc4658f03e102571ebe06e9ed6
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4