Evidence row 123927

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://wallet.openverbs.com/v1/normalize"
    ]
  ],
  "name": "Address normalisation",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Normalise an address to its canonical form — Ethereum to its EIP-55 checksummed form, bech32 Bitcoin to lowercase (base58check is left untouched as it is case-sensitive). An address that is not a valid address of a known chain is rejected before payment.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "address": "0x52908400098527886E0F7030069857D2E4169EE7",
              "chain": "ethereum"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "address": {
                      "description": "The address to normalise.",
                      "maxLength": 120,
                      "minLength": 1,
                      "type": "string"
                    },
                    "chain": {
                      "description": "Optional chain hint.",
                      "enum": [
                        "ethereum",
                        "bitcoin"
                      ],
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-08T05:39:53.959Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-08T05:39:53.671Z"
    },
    "resource": "https://wallet.openverbs.com/v1/normalize",
    "serviceName": "Address normalisation",
    "tags": [
      "normalize wallet address",
      "canonical crypto address",
      "normalize ethereum address",
      "lowercase bech32 address",
      "wallet address canonicalization"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Normalise an address to its canonical form — Ethereum to its EIP-55 checksummed form, bech32 Bitcoin to lowercase (base58check is left untouched as it is case-sensitive). An address that is not a valid address of a known chain is rejected before payment."
}

What the leaf hashes

{"body":"3bb23ee20e849cc7befa4d5358c666cbe33f1e607239296999c8a5af744e160d","id":123927,"kind":"listing","method":"baseline/1","observed_us":1793025623882206,"prev":null,"subject":"x402_bazaar:https://wallet.openverbs.com/v1/normalize","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x1cb13cfcf178e2c6529dd9d306d84f58dd7e90c883c8868774acb0e7e7a17f44
2. 0xe62d932f0385e7fa88b8d45a7c7bebc2e5f9c5d8177c60138707a83dca668ad9
3. 0xf78f4a3a4eb882d212e2c6bc3eb341ead73959ed1d4db5d080837348339dbc77
4. 0x565fa384b8d9eac7931d3c2f740a90b884c39126eeb36d9bccbfec4955fc4242
5. 0x2a43c728db49f2522e165b04292d89acaaa54ff15d2aeb578496c06aee4804e4
6. 0xb364289300fea7314eec956d56728fee8a5484130f85d8c5a013d76b5d5173d9
7. 0xce0ff33d71fef2f9bd76cab4b080b0eb0f1e6e22227d56624ed06bb4f110bb6f
8. 0x266aa26f31bf37c346b8b575d4a06e2e43300adeab8b4e710ba423d180ebf897
9. 0xafb3e7dad8d01e32d36a6303b87e08e512d3654afb3024366acc02edb4e5930f
10. 0x913900416f7046fb32d071616f60d33caf9d9e72606fee360a2d8e16507ccace
11. 0x15110e1ab8fe267895da4a2cf012c17f5824a8afca5d2dac1f158d633e16c91c
12. 0x8e3531af6dd328ff9a174dd19751228f67fa0773c68a89edf859dffbd7b098c3
13. 0x42b0d9d5b53af5b0fe99cee10ce29fe484db78b92ce49f97190cc6d098651d47
14. 0x9dfd312f3d4937f7cb144cee3987e8516f222932b4ea286605236d73cfa1ed16
15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae