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Evidence row 451370

Observed , by sync.x402_bazaar/1.

Kind
listing
About
source_record x402_bazaar:https://agent402.tools/api/uuid
Recorded
Previous row
#424806
Body SHA-256
80b310fdb836ae708f952b0cb01afce84b5220e5a8e38e3d4d5ee7dcce0de731
Leaf
0xa99a7d2fecb0462cc4916da77745e823673ebe2914c0a09b6e1e00fc76380045

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agent402.tools/api/uuid"
    ]
  ],
  "name": "Unique ID generator (UUID)",
  "owner_address": "0xabf4fabd7c416fb67202e5f9002389fc75e2a9d0",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "outputSchema": {
          "properties": {
            "uuids": {
              "items": {
                "type": "string"
              },
              "type": "array"
            },
            "version": {
              "type": "integer"
            }
          },
          "required": [
            "version",
            "uuids"
          ],
          "type": "object"
        },
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:143",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:43114",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:1329",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "2000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:10",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168",
        "extra": {
          "name": "Global Dollar",
          "version": "1"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:4663",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42220",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "USDC",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:5042",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "assetTransferMethod": "permit2",
          "facilitatorAddress": "0x14fDa13953Fc30428938E6BF950d036e77214e52",
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "upto"
      },
      {
        "amount": "1000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg",
        "scheme": "exact"
      },
      {
        "amount": "10000",
        "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75",
        "extra": {
          "areFeesSponsored": true
        },
        "maxTimeoutSeconds": 300,
        "network": "stellar:pubnet",
        "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "31566704",
        "extra": {
          "feePayer": "ZMFK2OI7ZBD2U27ISERZC4S6LKM6WMFJPZQ4MYNJDZ2VNBNMBA67RA22AA",
          "tag": "x402-global-challenge"
        },
        "maxTimeoutSeconds": 300,
        "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=",
        "payTo": "C7IIHG7SPLPZ5H7ZT6HW3UV2OQMQQE6Y2HBNGZXSLRJULE42BEE2OY2XIE",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:8453",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      },
      {
        "amount": "1000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:5042",
        "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0",
        "scheme": "exact"
      }
    ],
    "description": "UUIDs on demand: version 4 (random) or version 7 (time-ordered, sortable), up to 100 per call. Use it when an agent needs identifiers for records, requests or files, or a sub-cent call to test an x402 client end to end before buying anything larger.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "count": "3",
              "version": "7"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "uuids": [
                "0190a1b2-…"
              ],
              "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": {
                    "count": {
                      "description": "How many (1-100, default 1)",
                      "type": "string"
                    },
                    "version": {
                      "description": "4 (random) or 7 (time-ordered)",
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "uuids": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "version": {
                      "type": "integer"
                    }
                  },
                  "required": [
                    "version",
                    "uuids"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_b4aw4uzd"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "payment-identifier": {
        "info": {
          "required": false
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "id": {
              "maxLength": 128,
              "minLength": 16,
              "pattern": "^[a-zA-Z0-9_-]+$",
              "type": "string"
            },
            "required": {
              "type": "boolean"
            }
          },
          "required": [
            "required"
          ],
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784423094/bazaar-icons/478aced8e219894c.png",
    "lastUpdated": "2026-10-27T10:18:06.346Z",
    "quality": {
      "l30DaysTotalCalls": 13,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-27T06:31:00.953Z"
    },
    "resource": "https://agent402.tools/api/uuid",
    "serviceName": "Unique ID generator (UUID)",
    "tags": [
      "identifiers",
      "uuid",
      "id",
      "identifier",
      "unique"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "UUIDs on demand: version 4 (random) or version 7 (time-ordered, sortable), up to 100 per call. Use it when an agent needs identifiers for records, requests or files, or a sub-cent call to test an x402 client end to end before buying anything larger."
}

What the leaf hashes

{"body":"80b310fdb836ae708f952b0cb01afce84b5220e5a8e38e3d4d5ee7dcce0de731","id":451370,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100495940792,"prev":424806,"subject":"x402_bazaar:https://agent402.tools/api/uuid","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (273461 rows).

  1. 0xa99a81aa3db15d88d5537881e9d1ff1fdc218173e8055db88315f94abdea7935
  2. 0xa9121caf42eba390535e0b773610ebe534e26861ee2c6339f667f7aa1a36ba31
  3. 0xf53e19130003c9239576d90531cf75d7f6f4020d8a3f6d6bcd9d538559507991
  4. 0xd428c94b525e50d19d68d4292e7894e09480b1fa100e1bd246b52e76b6d11f79
  5. 0xde49a03bb44f0052231220211bd309e4fdfe4f1612c9f9eca148aef6fac15227
  6. 0x91052683b6b722450b86252e7a5182ea4b393299de86c126a98ea7159ab68f05
  7. 0x6c6ceb12234a994a8d32af1d2ea27233da4530cf9c178cd7be30ecd944092012
  8. 0xcf392677da9f7fc7b520b4edf87ddbe2f8b4cda0108364f8160400480f97d9ba
  9. 0x431f7413e823b062527a73a03b5fae6b210489587239443cb5aa2f19aadeec75
  10. 0x3466d9f1e31dbdede2329b2c4dc10b270dcded0105bcbe659412818a11723341
  11. 0x324d1c483a7a3f90b87e666635af8af905bde0bcef0945e9f29ca54a05110160
  12. 0x209c5ec9dadef949213746eeb17aaa8b9acf049b484430fc0bc152ee10f2e007
  13. 0x5e700087f2a5e8fb7372f2c2db037d66942006d666bb45dd92f745011295fa7b
  14. 0x98c6ed3e7b5bb7f1757a8660af410226a11dd563bf83010040c2ce059ab45e54
  15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
  16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
  17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
  18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
  19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699
Day root
0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795
Chained
0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4
Published
On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4

How to check it · This row as JSON