Evidence row 527108

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.gadgethumans.com/uuid"
    ]
  ],
  "name": "Generate a UUID",
  "owner_address": "0xe6c34b8e58c8bea609415f4d0c1ce01da48f3a34",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "description": "Generate fresh random UUID v4 identifiers, one or many in a single call. Cryptographically random, instant. Use for unique ids, request keys or fixtures.",
        "extensions": {
          "bazaar": {
            "info": {
              "input": {
                "discoverable": true,
                "method": "GET",
                "queryParams": {
                  "count": 1
                },
                "type": "http"
              },
              "output": {
                "example": {
                  "count": 1,
                  "uuids": [
                    "e7de7957-baf9-468f-874b-2e3be1f2df23"
                  ]
                },
                "schema": {
                  "type": "object"
                },
                "type": "json"
              }
            },
            "schema": {
              "properties": {
                "input": {
                  "properties": {
                    "queryParams": {
                      "properties": {
                        "count": {
                          "description": "Number of UUIDs to generate (default 1)",
                          "type": "integer"
                        }
                      },
                      "required": [
                        "count"
                      ],
                      "type": "object"
                    }
                  },
                  "type": "object"
                },
                "output": {
                  "properties": {
                    "example": {
                      "ok": true
                    }
                  },
                  "type": "object"
                }
              },
              "type": "object"
            }
          }
        },
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxAmountRequired": "1000",
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "eip155:8453",
        "outputSchema": {
          "input": {
            "discoverable": true,
            "method": "GET",
            "queryParams": {
              "properties": {
                "count": {
                  "description": "Number of UUIDs to generate (default 1)",
                  "type": "integer"
                }
              },
              "required": [
                "count"
              ],
              "type": "object"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "uuids": [
                "e7de7957-baf9-468f-874b-2e3be1f2df23"
              ]
            },
            "schema": {
              "type": "object"
            },
            "type": "json"
          }
        },
        "payTo": "0xe6C34b8E58c8BEA609415f4D0C1Ce01Da48F3A34",
        "resource": "https://api.gadgethumans.com/uuid",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "description": "Generate fresh random UUID v4 identifiers, one or many in a single call. Cryptographically random, instant. Use for unique ids, request keys or fixtures.",
        "extra": {
          "feePayer": "CjNFTjvBhbJJd2B5ePPMHRLx1ELZpa8dwQgGL727eKww",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "mimeType": "application/json",
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "7RDNyur52XauoJhwWnkvYjxygUoUv3ZPiosv8Ek5Suau",
        "resource": "https://api.gadgethumans.com/uuid",
        "scheme": "exact"
      }
    ],
    "description": "Generate fresh random UUID v4 identifiers, one or many in a single call. Cryptographically random, instant. Use for unique ids, request keys or fixtures.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "discoverable": true,
            "method": "GET",
            "queryParams": {
              "count": 1
            },
            "type": "http"
          },
          "output": {
            "example": {
              "count": 1,
              "uuids": [
                "e7de7957-baf9-468f-874b-2e3be1f2df23"
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "properties": {
            "input": {
              "properties": {
                "queryParams": {
                  "properties": {
                    "count": {
                      "description": "Number of UUIDs to generate (default 1)",
                      "type": "integer"
                    }
                  },
                  "required": [
                    "count"
                  ],
                  "type": "object"
                }
              },
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "ok": true
                }
              },
              "type": "object"
            }
          },
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791748104/bazaar-icons/2ca902f123ad5127.png",
    "lastUpdated": "2026-10-27T10:00:23.092Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-27T10:00:22.939Z"
    },
    "resource": "https://api.gadgethumans.com/uuid",
    "serviceName": "Generate a UUID",
    "tags": [
      "uuid",
      "uuid v4",
      "generate uuid",
      "guid",
      "unique id"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Generate fresh random UUID v4 identifiers, one or many in a single call. Cryptographically random, instant. Use for unique ids, request keys or fixtures."
}

What the leaf hashes

{"body":"5a087fb2e76cac1eb2635e8e34ffc220fb5323564b1760dcf13e621cf09127a4","id":527108,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124794319262,"prev":452162,"subject":"x402_bazaar:https://api.gadgethumans.com/uuid","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. 0x87bfc0908edb179f2700183f73b2c23b540af79d7f5c7b735a145c6065e51991
2. 0x15a39fbbd887744da4c42a8b83634883accf3cf890a319d171af3bf2d52e1f4f
3. 0xc4cf0ab4c93d14951681c84e5aa7cc3e32987ac2f6989ec435801b05744d25ed
4. 0x5aacae95e0a82f31410ffc646d4fb341ba9adf7afcec2b24116c18aa4cb882a8
5. 0x7800e9543bb2e282200986e1b3e69854431403f7bf09ed1f8709aef8e7a44a44
6. 0x3bbc3195fbd4391eaca4808f780c14fe795103f410557cda7bba9e1796bb84b5
7. 0xa542dcd72e803c9c623f086fb2a3cc72a2435a0767165de3d3a117e89bb6de7b
8. 0xd0ac3187cb8960528dcfd43bb81dbf03f50385a1a8343f9bd24b6d72a1e12279
9. 0x5954c659015c963e5bda2e53002e3e55f65b788d6a80d7e18eef621848bd341c
10. 0x9dc25a7fda1522dda5d2072e86165df16f49960ad44e48a53e9d50481f9174bc
11. 0x75376c2d4b66495f3289538d2a16eac6d0471b87780b054af7810e758374d02a
12. 0x470f6acef0d823e6f9e5fa35684563c8f27c3d338b165b457171afc3d44d4d86
13. 0x6251e2be57e8d16b82579481d181c265d75096882014489550b74a728741f2f1
14. 0x4964f0806efde5ed25f60da2b45d78cd2e0f07d67e64aad2822f6016ad973c47
15. 0x3c500ec3d3edf0c74b87a6ca8fcd77656bfbe03db3d478bd0c184d0c88839c6b
16. 0xfecf3d4646dd4984a13dd715499e842c3fde63692336d97394c2bfd8e877ca5d
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4