Evidence row 2202167

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://web3-tools.x402tookit.com/tx-hash-check"
    ]
  ],
  "name": "Web3 Tools",
  "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": "Recognise what a transaction id looks like (EVM hash, Bitcoin txid, Solana signature) from format alone, and flag typos.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "id": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T14:21:56.059Z",
              "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.",
              "family": "evm",
              "input": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b",
              "normalised": "0x88df016429689c079f3b2f6ad39fa052532c56795b733da78a91ebe6a713944b",
              "notChecked": [
                "whether the transaction exists, confirmed or failed: this reads the format only",
                "which EVM chain it belongs to (the same 32-byte shape is used by every EVM chain and by block hashes)",
                "…1 more"
              ],
              "reasons": [
                "Format only: pick the chain explorer yourself."
              ],
              "source": "computed locally",
              "summary": "Looks like an EVM transaction hash (0x plus 64 hex digits). The same shape is also used for block hashes.",
              "verdict": "EVM_32_BYTE_HASH"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "id": {
                      "description": "A transaction hash, txid or signature",
                      "type": "string"
                    }
                  },
                  "required": [
                    "id"
                  ],
                  "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"
                      ]
                    },
                    "family": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "input": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "normalised": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "reasons": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:39:25.78Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-11-01T22:39:25.607Z"
    },
    "resource": "https://web3-tools.x402tookit.com/tx-hash-check",
    "serviceName": "Web3 Tools",
    "tags": [
      "transaction",
      "txid",
      "hash",
      "signature",
      "format"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Recognise what a transaction id looks like (EVM hash, Bitcoin txid, Solana signature) from format alone, and flag typos."
}

What the leaf hashes

{"body":"e68931185ef4226d2d0556e97a980f085383d00d516dceb8c837733a2f5e80a7","id":2202167,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646813613232,"prev":null,"subject":"x402_bazaar:https://web3-tools.x402tookit.com/tx-hash-check","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. 0x7a32ecd094424b1df49033b66b12d84c936b33bfe2fa6c97b7e2ed82ac9f10ce
2. 0x3e644c3b773df827e01095d3f1b4f0bd12d86056cef4ee8eabae294b57c9f40b
3. 0x46f1bfd5e78b84786fbf33eb631f1370f8c67200770a69b6f04947203dbffc06
4. 0xa0affd1283112f9d6d9291efbdfce7a8f91ff722cd6c2d2d0db55d58a6fbbff9
5. 0xc9915c75a847fe15960dade3e0befca61f3dc05a5abd4e061deda20bfad7dee2
6. 0x6a7ed6c0851723d5f66cd2f3fc5e0bb5de0865303f3daf67a805c25d3eee8605
7. 0x4a519517a5bb2020e8f4adf616df2e75d1eaafd8426e0bb05bc3b7589201d0b9
8. 0x9cbbf07a97d3530aa02f150e8762f39e1a77cdfd4278c2ef69894d72246470dc
9. 0x14d4240f8e3f837d517d96f2cb38c83bc63b62a7cfcc869bc777d383dd18ec34
10. 0x84218cbee7b6489a7facd6656d49421a28ca3552717fea59f520bd4dd44e1afa
11. 0x2c7e1da5b5def677bee63c5fdebbe09c39cac24370482d270f7aeb04cad99d15
12. 0xb77003ac715b4a3bc589bf85004b4f45dca4b25bba30589673a88974fd9e8ac0
13. 0x6b3fe16d0ef17e7fec65e784ea66cb7142a8765f3978756ef310ba9d8f928afc
14. 0xe387a7d610f91d4dc112f2dbdf7ae32c4555f5da4c25c1a9a1310d0b74e80bbf
15. 0x60dd7fd8117cbf3b80707f722623736c8c2b5b56277e8e78c9f81ef2dab8deab
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af