Evidence row 2202126

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://cheap-utilities.x402tookit.com/uuid-inspect"
    ]
  ],
  "name": "Cheap Utilities",
  "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": "Inspect a UUID: valid or not, version (1-8), variant, and the embedded timestamp for v1, v6 and v7 UUIDs.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "uuid": "018f4c2e-7b3a-7cde-8a12-3f4b5c6d7e8f"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "asOf": "2026-10-11T01:25:52.779Z",
              "canonical": "018f4c2e-7b3a-7cde-8a12-3f4b5c6d7e8f",
              "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.",
              "notChecked": [
                "whether the UUID is unique or was ever issued",
                "randomness quality"
              ],
              "random": false,
              "reasons": [],
              "source": "computed locally",
              "summary": "018f4c2e-7b3a-7cde-8a12-3f4b5c6d7e8f: version 7, variant RFC 4122/9562, timestamp 2024-05-06T04:34:25.722Z.",
              "timestamp": "2024-05-06T04:34:25.722Z",
              "variant": "RFC 4122/9562",
              "verdict": "VALID_V7",
              "version": 7
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "uuid": {
                      "description": "UUID with or without braces and hyphens",
                      "type": "string"
                    }
                  },
                  "required": [
                    "uuid"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "asOf": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "canonical": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "degraded": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "disclaimer": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "notChecked": {
                      "items": {
                        "type": "string"
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "random": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "reasons": {
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "source": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "summary": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "timestamp": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "variant": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "verdict": {
                      "type": [
                        "null",
                        "string"
                      ]
                    },
                    "version": {
                      "type": [
                        "null",
                        "number"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-11-01T22:41:14.363Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-11-01T22:41:14.184Z"
    },
    "resource": "https://cheap-utilities.x402tookit.com/uuid-inspect",
    "serviceName": "Cheap Utilities",
    "tags": [
      "uuid",
      "validation",
      "developer-tools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Inspect a UUID: valid or not, version (1-8), variant, and the embedded timestamp for v1, v6 and v7 UUIDs."
}

What the leaf hashes

{"body":"cb503d3fed63abe96e44518ec53af1353b0d59e157c1e50fa5403283e2512fe6","id":2202126,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793646812575689,"prev":null,"subject":"x402_bazaar:https://cheap-utilities.x402tookit.com/uuid-inspect","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. 0x41676ecfd09da838593b2d4c64093318f3c0924694900a34e55ea61d138bdf52
2. 0x09eb37079d05a5b1d6a56db68ec880227c848456b836d72cdc4b66bcec46904d
3. 0xbbd28cca43e805b08629733bb9ed46c36955398a9bc0d0f435619702f5cd05a5
4. 0xd7cceb4e311f7d137f760d1e77033cdcc952ecfbdfc055278a758bc24b6a6022
5. 0x1fec3399e9e1a2abd9390eed9e09198260cd879904d7ca0f1b1ef075ddd45cbe
6. 0xd5cda77b55239c38b23ab3d89c042cd8f5c00ecca369fbebdd95d8c7b8c18f8f
7. 0x9810943a419b5ad8d0e89f31a13d772cc7f21c5d22a08a1da94c8d80eebaadd0
8. 0x44e5f7a60b23553c3109cdb1e5273410776a550c04eedc7e18ecbbc8119a932c
9. 0x40151d6bf569232ba90cb6a4cd76d0d2a52d75290888bebfc3e7190c2b11519c
10. 0xf7853690f3e78a6bb0348e2608ca89e3508feb10884cbe225ba072554228ff6e
11. 0xe4152a5dfabfd48e92f8d5047c526409b765d946b445dc60e25bc5904c46539f
12. 0xd10237e81588c4b94b9258d4cf623f18b0507e9f91efeefa9fb9c83f92df12b9
13. 0x1a30e008133011de2f6376e0b8ac235c7b5fd254513a57eac575300e54ac3544
14. 0x2205fefa1140121f3fe567e386a9612e8f7236f2a6b4c18d07e5fc4d08bd90e5
15. 0x8448bd1fe3c2d48b62a118ace4a5cb82fee53586dd43d776c2526ad844398919
16. 0x8760c227928c5295506cd8606e763f86cf8cd2a549820fab4dc86d29ca0d816d
17. 0xa20b9be86af7d690e040c9060a373b2fc5498edf3432f43c26f74fa2febc1e9a
18. 0x050f2978b537f7afb21ee1551577cdf146d1c56f4df12d24315ae5e69366b0a4
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af