Evidence row 452162

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": 4,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-23T23:34:21.504Z"
    },
    "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":"faa13440ecaa6fea3f59db92af1a20498a119afc73f6f785c0a0896064689dab","id":452162,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100517906405,"prev":66323,"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. 0xbfe28dd768ba671a6b8c849258eb29fc3e15d834b0db2152ffef145b02739ed8
2. 0xe7ae6b914c270f72e7f24efefa6b6204d3b611383d9497f47f25b987272f9c04
3. 0x386ebb5dbcc114b4bb0665125eebe9e678608ea8302164242a3958fc52086643
4. 0x5224381cbbde9415c6b698a00c07a87a4775abab6f8a5c79f8c59b7a103aecc1
5. 0x62fab6d0518e4f01bbec21a1bd471e766a59314340016df969d37d71aedea216
6. 0xf59b0d4b833448b14116d2cf459ccabff4ac8d92406c62b34a6d9aebfad3d567
7. 0xcaf9650623da9aab5b1108f3b0ce27864194f970428c95a0380a314e2fd5d29d
8. 0xac997bf783e9e6bee62a16ca63e1586ae240fdc494f08a808457e74363294c42
9. 0x517670922866990633d40ba2278e95fdd8fa9b0f5e145d7808875498b36a310f
10. 0xaf97a9427f16ec846cbf90266f963eafe897184ecd205ab609c7322ef6cc2560
11. 0x7ff6a586e9498a807b90cc0724f36067102a7bfb70c439f694c884710ed4910a
12. 0xa9bcdb8be937595e637058d98ed979d02cbac590262daa97def86c50ca63628b
13. 0xb4800af1fe2ae822adba5c087faf1dc0bc2d7c9de2e3e602a2b65aefc1d53c94
14. 0xa453d1738637a5c663802d07ce095aa340c80d53a4288ae277a72e265868ce4e
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4