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Evidence row 69814

Observed , by baseline/1.

Kind
listing
About
source_record x402_bazaar:https://api.vextorium.com/v1/email-validate
Recorded
Previous row
None: the first of its kind about this subject
Body SHA-256
11460a3c26bc08aed8b7044e449ef4657f6a8cf6a9dd19336a67b5f4534f79dc
Leaf
0xa394ed8c2d6b3831fdd9bde1e28374edc4685b58731f54bfdda25e6c8992b630

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.vextorium.com/v1/email-validate"
    ]
  ],
  "name": "Email validation | Vextorium",
  "owner_address": "0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "4000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "HcjfmZLgWRZzwj4deEiS7pewc4KBYSw39mW5nTyt3pz2",
        "scheme": "exact"
      },
      {
        "amount": "4000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0xb9f06D2734B7E9D7b21B64C4D8b95bd774b71aCf",
        "scheme": "exact"
      },
      {
        "amount": "4000",
        "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": "4000",
        "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": "0.004",
        "asset": "524C555344000000000000000000000000000000",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "F4E1EA103A4246CEA301DCF625ADEC47",
          "issuer": "rMxCKbEDwqr76QuheSUMdEGf4B9xJ8m5De",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      },
      {
        "amount": "3080",
        "asset": "XRP",
        "extra": {
          "areFeesSponsored": false,
          "invoiceId": "94E87BB5B26C43DF93145F62C7C8A48E",
          "sourceTag": 804681468
        },
        "maxTimeoutSeconds": 300,
        "network": "xrpl:0",
        "payTo": "rEac5rTEr7y81iEyrMTrHCRbnktSE2pNCp",
        "scheme": "exact"
      }
    ],
    "description": "Email validation: syntax, domain MX records and disposable-domain flag. Sends no email; the address is not stored.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "email": "hello@example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "disposable": false,
              "domain": "example.com",
              "email": "he***@example.com",
              "has_mail_server": true,
              "mx_servers": [
                ""
              ],
              "note": "It does not send any email or confirm the mailbox exists. The email received is not stored.",
              "valid": true,
              "valid_format": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "email": {
                      "description": "Email address",
                      "type": "string"
                    }
                  },
                  "required": [
                    "email"
                  ]
                },
                "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": {
                    "disposable": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "domain": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "email": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "has_mail_server": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "mx_servers": {
                      "items": {
                        "type": [
                          "null",
                          "string"
                        ]
                      },
                      "type": [
                        "array",
                        "null"
                      ]
                    },
                    "note": {
                      "type": [
                        "string",
                        "null"
                      ]
                    },
                    "valid": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    },
                    "valid_format": {
                      "type": [
                        "boolean",
                        "null"
                      ]
                    }
                  },
                  "type": [
                    "object",
                    "null"
                  ]
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-20T17:17:46.856Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 5,
      "lastCalledAt": "2026-10-20T17:17:46.141Z"
    },
    "resource": "https://api.vextorium.com/v1/email-validate",
    "serviceName": "Email validation | Vextorium",
    "tags": [
      "email",
      "validation",
      "mx",
      "deliverability",
      "data-quality"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Email validation: syntax, domain MX records and disposable-domain flag. Sends no email; the address is not stored."
}

What the leaf hashes

{"body":"11460a3c26bc08aed8b7044e449ef4657f6a8cf6a9dd19336a67b5f4534f79dc","id":69814,"kind":"listing","method":"baseline/1","observed_us":1793025478988545,"prev":null,"subject":"x402_bazaar:https://api.vextorium.com/v1/email-validate","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. 0xa394cfd40a5d0a8b656a730c791009d89a8403bd3f3dc4577eff83ca1ee783c9
  2. 0xe5e0654659deec84ca893095a1e75710c0d98d0170ba55f1fa6f49b3e8b82c39
  3. 0x18c60cc5d13d46f7120fc822c71f4f879fd5711f12fa646f1aa69568e0fcf075
  4. 0x601bfe8be24c1e453b93878f60cf55f9c99e1a25a5f0a5a18aa54b485a525c3c
  5. 0xb71e8432932d36eac7c221d35137588e2049b33a4f0d7d28e1093982f7fbeca8
  6. 0x0bb3fb6cc13d536a91ab9db0780106f9d04f6e6ee6dd5b4360fcfbba76b319d1
  7. 0x993f0853414658c3250659ef14468a396a21fd3114d2ec099fada5a1b81a6dce
  8. 0x4a2dca25f350e7dda310d606117ef4a4378aa511406e32a7c75d9e4ac5fb4282
  9. 0x7669bf7267794b47cf2b8311fbdc9ed0b8e4d496ed021df4f3e43f25125a5e13
  10. 0xbf9e8e8193260b284eff6ae5de9bd74a29a95af639484d57bcbf0408a7dd8030
  11. 0xf02ec0f13d875e636ca9d24097cc2a185cdb09429c8c4ade598b8089f42bb140
  12. 0x19537c574979327583a539261287714af2eee831125de819abab0f155acd3a75
  13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
  14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
  15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
  16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
  17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
  18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
  19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a
Day root
0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained
0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published
On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON