Evidence row 66323

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": "2026-10-23T23:34:21.687Z",
    "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":"7a877e71877399540bfaff2c2c2999559ae469ffa3c042a893d5d371fca046dc","id":66323,"kind":"listing","method":"baseline/1","observed_us":1793025460399427,"prev":null,"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 2026-10-26 (296695 rows).

1. 0xb2db8887f81f7e731042d95dc0309d525459f254fec2924292d9044eff9bb6f7
2. 0x863df56f9304b7be31b0fb072d9dcbab2f04c98b815a8a8e837f414a738e44b7
3. 0xdb97bd3c2868a129e60ba8da7551e5b64c37cf42d1abc31704bd2e26baf20ca0
4. 0x6fe239947002c52263d45ef99895897331163d3f404b4a5a5e3047735c348639
5. 0x6aa66870fb8a280134c7941b0a0fcec97138972175386a48496e0ef322f09483
6. 0xd8eaa27e58d927911c9f222bbb1ef6b367665bbc99c2ac63d3f75c7348004ba3
7. 0xf29700e62bfcc32e5f1af40f7d3d4b560f56dfc28c092022acf096b1b2d2eb54
8. 0xf6aa98e1309bbaf69b6d0a838ef2b8e792bedc72c2cc2126e04055bbace6000e
9. 0x8f46605daaf73ba32b5916a571f6625fd668b00d695efb0a793f8c19f745d64d
10. 0x34826d27a00fb6f2649b492e5ca5ff6025211b9bda757487c3351c0e533593f3
11. 0x08b0ee375f7c28afd23e265e3e1bed91ba37304e42eafa665ef4a7f785b3e7bf
12. 0x3d6ec9d5ef8daa604601742088e213da0a439db6eff6ce50ec3ffb264a60ddd3
13. 0x3b1c0e225d1b1cb24cd5d5ea4af2de20ed68a1eaf8b61924ed1b81e4b9cf7e39
14. 0x083427e39db4dd470662401f6db5db8fadf084fc4274cf8621b368416952b78b
15. 0x1a74ed3b3756b9cd946da49701bcec120ec88645013da99fa9eea60b39e1a570
16. 0x123ec8bee20ddc55223eeef5a4f4d6c4b6416515adbb911c56759f5cde56e452
17. 0xd0651cb9bc8155eb52b5247d506e74b8a935057dc190ba52091702ac25ed3a40
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae