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Evidence row 69982

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.vextorium.com/v1/uuid
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
478718681ced58933362cf736c7af7fa4c89fe8b9c54ee76b48138df785cabe5
Leaf
0x25db37bbb706f9fde389dc26c50539febc9deba00ea59229eba269914a2dcfed

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.vextorium.com/v1/uuid"
    ]
  ],
  "name": "Unique ID generator | Vextorium",
  "owner_address": "0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85",
        "extra": {
          "assets": [
            {
              "address": "0x0b2c639c533813f4aa9d7837caf62653d097ff85",
              "authorizationVersions": [
                "1",
                "2"
              ],
              "decimals": 6,
              "symbol": "USDC"
            }
          ],
          "minValiditySeconds": 604800,
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:10",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3600000000000000000000000000000000000000",
        "extra": {
          "assets": [
            {
              "address": "0x3600000000000000000000000000000000000000",
              "authorizationVersions": [
                "1",
                "2"
              ],
              "decimals": 6,
              "symbol": "USDC"
            }
          ],
          "minValiditySeconds": 604800,
          "name": "GatewayWalletBatched",
          "verifyingContract": "0x77777777dcc4d5a8b6e418fd04d8997ef11000ee",
          "version": "1"
        },
        "maxTimeoutSeconds": 604900,
        "network": "eip155:5042",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "0.003",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "C8F7D9DB7F624E5D80872772D82E1B77",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      },
      {
        "amount": "2310",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "6F74ABD9915C4BD4B39A2F8417932676",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      }
    ],
    "description": "Generate cryptographically secure unique IDs: UUID v4, time-sortable UUID v7, ULID, NanoID, hex, base58 or prefixed tokens (e.g. ord_...), up to 1000 per call.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "amount": 3,
              "type": "uuid7"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "amount": 3,
              "ids": [
                "01a1032b-d56b-7c93-acbb-b83d2a67d46e",
                "01a1032b-d56b-705f-8d68-65724ab0657e"
              ],
              "note": "Generated with the system's secure generator (secrets); not stored. For production secrets, generate them on your own machine.",
              "type": "uuid7"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "amount": {
                      "description": "1-1000 (default 5)",
                      "type": "integer"
                    },
                    "length": {
                      "description": "For nanoid/hex/base58/token (default 21)",
                      "type": "integer"
                    },
                    "prefix": {
                      "description": "Optional prefix, e.g. ord",
                      "type": "string"
                    },
                    "type": {
                      "enum": [
                        "uuid4",
                        "uuid7",
                        "ulid",
                        "nanoid",
                        "hex",
                        "base58",
                        "token"
                      ],
                      "type": "string"
                    }
                  },
                  "required": []
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "amount": {
                      "type": [
                        "number",
                        "null"
                      ]
                    },
                    "ids": {
                      "items": {
                        "type": [
                          "null",
                          "string"
                        ]
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "note": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "type": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "type": [
                    "object",
                    "null"
                  ]
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-21T04:06:57.246Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-21T04:06:56.793Z"
    },
    "resource": "https://api.vextorium.com/v1/uuid",
    "serviceName": "Unique ID generator | Vextorium",
    "tags": [
      "uuid",
      "ulid",
      "id",
      "generator",
      "devtools"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Generate cryptographically secure unique IDs: UUID v4, time-sortable UUID v7, ULID, NanoID, hex, base58 or prefixed tokens (e.g. ord_...), up to 1000 per call."
}

What the leaf hashes

{"body":"478718681ced58933362cf736c7af7fa4c89fe8b9c54ee76b48138df785cabe5","id":69982,"kind":"listing","method":"baseline/1","observed_us":1793025479271545,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/v1/uuid","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of (296695 rows).

  1. 0x25db5982c884f23a6ddfd1df90883b25f4b129ddfa69d0b12c9c954a9925245b
  2. 0x82aad00ad1bdab6594ea1311bb1cd138e18e9b9e7b5c216393901d31df5c1b35
  3. 0x7dcefa6f15e06397e73d60c1877714a0beca59bbe022e6dc6c1e712a750bd3a8
  4. 0x928f2ac6541a8363bfcef4ef8d7256a7f05063504d58f54d647b3d558dd45149
  5. 0x9681cb88779e49ad836a4a70de98d7d07aba1368378f5df28021f1725abe1cff
  6. 0xfb42560da64fa0dd86d856825e112ec29a6e78bbff3697f13a4e377ed5eb06ee
  7. 0x2ba13cd17fd7a5ae78e5dda3a86927e741a0bbf39e7e7922040242f55a7ea6b9
  8. 0xdadd0a212ca550af8b1a51051930b9396daf5f08ff35b78745de718d7a1b9799
  9. 0x01472aece09dd6db6502873c29462eed9d62909152a59a5aea21c1c1a6757c03
  10. 0x21a7cf99ef81ffd43b25c97835cc100421f018b92fa922aa035d34db9079e57c
  11. 0xd59298b1ed461f406932ca0ca85948982d67f90463e31e5b2c45ab2a35eacd3f
  12. 0x266d991b0a994042474d2789bd5d3ba2433a122ae3c1027e2ccd7c0f4cf63071
  13. 0x830b2c874449c7499489eba2baa67d49f991298225763c0161b471621038d0fb
  14. 0xd843afcced75dedd39194ff9bd12326b88099e6112686db2299392d022dc3146
  15. 0xc3a6a3ae44ec0da1848b16d40c45d7aac97a67352eea8df18e0f26edabea8a2f
  16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
  17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
  18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON