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Evidence row 69644

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.vextorium.com/evm-utilidades-pago
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
52b1d6e1719d433d2f13cb27ed3a1f8dfccbbefb771af041924a7f95b08aa98e
Leaf
0x02c50adf800bb251cc2542f64d60b290a28016ef9c8a385cb763562f1ef80d36

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.vextorium.com/evm-utilidades-pago"
    ]
  ],
  "name": "EVM developer utilities",
  "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": "4DC5C824A1AD44DC965C68EC7F389D27",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      },
      {
        "amount": "2310",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "42AAB623AFD24D518B05E0934AE85831",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      }
    ],
    "description": "EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "operacion": "selector",
              "valor": "transfer(address,uint256)"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "entrada": "transfer(address,uint256)",
              "operacion": "selector",
              "resultado": "0xa9059cbb"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "a": {
                      "description": "Target unit for convertir",
                      "enum": [
                        "wei",
                        "gwei",
                        "ether"
                      ],
                      "type": "string"
                    },
                    "de": {
                      "description": "Source unit for convertir",
                      "enum": [
                        "wei",
                        "gwei",
                        "ether"
                      ],
                      "type": "string"
                    },
                    "operacion": {
                      "description": "Operation",
                      "enum": [
                        "keccak256",
                        "selector",
                        "checksum",
                        "convertir"
                      ],
                      "type": "string"
                    },
                    "valor": {
                      "description": "Input value (text, hex, signature, address or number)",
                      "type": "string"
                    }
                  },
                  "required": [
                    "operacion",
                    "valor"
                  ]
                },
                "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": {
                    "entrada": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "operacion": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "resultado": {
                      "type": [
                        "string",
                        "null"
                      ]
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-21T06:47:25.212Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-21T06:47:24.751Z"
    },
    "resource": "https://api.vextorium.com/evm-utilidades-pago",
    "serviceName": "EVM developer utilities",
    "tags": [
      "developer-tools",
      "keccak",
      "abi",
      "checksum",
      "units"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and wei/gwei/ether conversion."
}

What the leaf hashes

{"body":"52b1d6e1719d433d2f13cb27ed3a1f8dfccbbefb771af041924a7f95b08aa98e","id":69644,"kind":"listing","method":"baseline/1","observed_us":1793025478725023,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/evm-utilidades-pago","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. 0x02c4f4cca9408adb8b96b7c3d121210ed41712750b00b3c6dbf5c7348efc904a
  2. 0x2529f188b698acf009c68962dfa2e3aaac0b77a4e0d6b6c9d0e19505286b6512
  3. 0x953725e521156bfc207037a9778f9bf7bc07eda1d5add7a2533f0c9fdabdcac4
  4. 0xa3a0f076df698369b6b432dd512f2b81b4e51c46dae049190d26c08222c1cc9d
  5. 0x58018538d2ad1b68369171c88635cbf29bff73f6bcb5151e9615aecbd0fa7203
  6. 0xeaacda23330b526deb5b71f258bc0233ec4866559582a077f4c95c53c686f241
  7. 0xd0092457144a33a039cf02060bc3156177a1c8b44855d63620351a1c775af02b
  8. 0x0e9331fa80c5f68fab87ffa819db3e813227e360113696707ade29e6e73d4ac4
  9. 0x0f72f9b37b4039cbc3aae0497be60babe84e78bbc0183946137d3e4b5bcad991
  10. 0x0507461ad0f3996c7ed1e50036c084ea5d5d84cc0a082dd8688f824e00fc6a5b
  11. 0x4e18f6df894eff467396bfe85f6d6b90f40522629a1dd7517152c38e1c70e111
  12. 0xd75ede2689ed83bbc8980becaf4f32a77c7e05567790cd351e997bb28aa0844c
  13. 0x92ff7d176556ddbe3d885e2ab73948b14a6aa3568a8fd237427d4f8415235a23
  14. 0xd1d3499072edb10edc68f84bcae2365d2ab534df689250cab18c751b6f13b6ff
  15. 0x7ddc2fead128357f881b63e6c7c26d7fbbb84fca6c7c8e0bbfe386de86ca8d39
  16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
  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