Evidence row 2201312

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bitcoin-network.x402tookit.com/btc-address-validate"
    ]
  ],
  "name": "Bitcoin Network",
  "owner_address": "0xb531320805c5bed1d46aeadcf4f008fdf172dbda",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "D6ZhtNQ5nT9ZnTHUbqXZsTx5MH2rPFiBBggX4hY1WePM",
          "transactionVersions": [
            0
          ]
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "DUPiupXtuox38dcGoXUKer5mAydCzmaHjrbQ66qeEm8s",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      },
      {
        "amount": "20000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xb531320805C5BED1D46AEaDcF4F008FDF172DBDa",
        "scheme": "exact"
      }
    ],
    "description": "Validate a Bitcoin address checksum offline: base58check or bech32/bech32m, with type and network (mainnet or test).",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "address": "bc1p0xlxvlhemja6c4dqv22uapctqupfhlxm9h8z3k2e72q4k9hcz7vqzk5jj0"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T05:14:43.661Z",
              "degraded": false,
              "disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
              "network": "mainnet",
              "notChecked": [
                "whether the address has ever been used",
                "who controls it",
                "…1 more"
              ],
              "payloadHash": "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798",
              "reasons": [
                "Checksum correct. Always verify the full address on the receiving device."
              ],
              "source": "computed locally",
              "summary": "Valid mainnet P2TR address.",
              "type": "P2TR",
              "verdict": "VALID",
              "witnessVersion": 1
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "address": {
                      "description": "Bitcoin address",
                      "type": "string"
                    }
                  },
                  "required": [
                    "address"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "network": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "payloadHash": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "type": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "witnessVersion": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-02T04:05:57.757Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-02T04:05:57.604Z"
    },
    "resource": "https://bitcoin-network.x402tookit.com/btc-address-validate",
    "serviceName": "Bitcoin Network",
    "tags": [
      "bitcoin",
      "address",
      "validation",
      "bech32"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate a Bitcoin address checksum offline: base58check or bech32/bech32m, with type and network (mainnet or test)."
}

What the leaf hashes

{"body":"55b8dcbd55eb3e1b78068b8b648c610e3b69376a38fe000147ccd414b7058e63","id":2201312,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646803274081,"prev":null,"subject":"x402_bazaar:https://bitcoin-network.x402tookit.com/btc-address-validate","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-02 (444186 rows).

1. 0xee8f8b29cd4e921f8323a9756cc4f16d5fbb6db43f91c1b34baf822fc321eafa
2. 0x9c43a01539cba5ab52ef83e6660d689d45129c2af3556891bd803459b8d7add9
3. 0xdfaf61e2aa5961712e5653f67312b56e618fd4599aae1bcb037d72375e148d71
4. 0x82594f0066b9ad2ea4c26e1afc2eed7cc0e378c177e1f6571be282710d6963ad
5. 0xcf2d788bb21655bae99df8841662567e632d27c0aae3e1a4d0d2ec92745cd987
6. 0x78f44c38f4822c8fc6a76754b41f51050e5094f781fa75b29c6081feb78183f6
7. 0xd7bc978e1de1459592b9d3e36fc91c890fa5cdf2e2194744d8c444cdc3af7528
8. 0x3302151762245cd79bf33965fa7407aa1024efa1268936a91cd32428bc9fb615
9. 0x85a9064ee46f6bb0a0fb491dfd425564275f12fee9c7cd23463890737800ca82
10. 0x289d10558b458eda3cc9917551191f15d289cb49c8cb0be546d2d23d012e6782
11. 0x151bd83170434ccd04f82906ef73350feadc28309b6f1874e3bc7fe465fe848f
12. 0x244e5498c1a18cb79272c8888907c216b04d0ef4381a107b2d329eb22383048b
13. 0x6a66db154e32d45aa1f1ce72719d9372fd5cdf4add16d249006bd3cdb0f7c074
14. 0xbb465466dac90179fd91fd4d3b6985e80736d1ab4662dc57a78b5e5098d6f074
15. 0xde6a8fd6590b70565baa6078cbc8add8d94950fe959ebaf8c3716adcdbd78aa8
16. 0x6dd7e4db65395e8670c7c2747d44fec79e03305934ef4746bf5dbca04ec6ec49
17. 0xec5d643575d83c9e07e65deeef71943b53cbf3007e7e2b9a6ef414081509b0cc
18. 0x252cce55f1a3d5391c16f82d7f62494429a5f69b03486d4cfcfb7b2c96d6c884

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af