Evidence row 453296

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": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-10T11:36:41.684Z"
    },
    "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":"35d003d7c3e90486dc3ff2f631f888b1b4edceaaf37ec741990605c63f2b6d92","id":453296,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100619891887,"prev":75332,"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. 0xcc6ee7b834954ab40c8884444729d06e3347f12836b6b97a194c9c2260c9fc34
2. 0xe1c13353de065f50c6f7c5884cfad4d71b3404ab9bd78a40afa03e111f5568e8
3. 0x1471ef022e8949fda52efd5dacd6dd1e856a27a89fb5035c3811e34077f072db
4. 0x69c2f535ed4aa0207b2adb699f35ff920c4524bf9ea7441e73ccf9efef4cb796
5. 0x1dbef5defe31a59d3699324e61916ac14766a3752fd8adb4f0b8f842d197a3a1
6. 0x06873295c431673e38b06a45f0e84b42e9c7897b5b2f256a749b503171ec8607
7. 0x45f8ee17d2a2f09c198b53024fe5ee0632f74cf856ffee271069d1ffb78ba1be
8. 0x4f8fee9885649420833ef836d44c314e330a45e936ffbe764aa20dbc2600eff5
9. 0xf81767af8afc4648381fef788255424736918f01a959f0e7ba28cf53e3db0c46
10. 0x6903dfc6a8eef68f78bd5dca209fb04016ed07e4688163fadd127d834549d06e
11. 0x4eb72d2edb3b063d190586d64965ee7a33e28b4ffbc292fb4be0995ba6f8daa5
12. 0x6c0803f2d7123e0bcd2a148e9fde0f429f31dc964ced287e760ee656fcd9912f
13. 0xeb77e9d1884bf470f4a13a5869956a83ac37957112a29ccb9e63ddf7791b5a0b
14. 0xcc49fd573532e5a29f5be4033f62a2eff71456c020bd2258312b98e95cfe301e
15. 0x969cd44e5a4e8dc3110540398fbf689659eb51df735c1cda5d8f021ef9ff5683
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4