Evidence row 3968558

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://agentsvc.io/api/v1/proxy/email-validate"
    ]
  ],
  "name": "Email Validation",
  "owner_address": "0x622efa6ceb83a5b6edbc931332f4db68b7f74f27",
  "raw": {
    "accepts": [
      {
        "amount": "3500",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      },
      {
        "amount": "3500",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "5JzPS5qpEwUM1vTC9GG7uqvwJdHzbEwfoPHf2Ki977tg",
        "scheme": "exact"
      },
      {
        "amount": "3500",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      },
      {
        "amount": "3500",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x622efA6Ceb83a5b6EdBC931332f4db68B7f74F27",
        "scheme": "exact"
      }
    ],
    "description": "Validate an email address: RFC 5322 format check, domain MX record lookup, disposable provider detection, and role address detection (e.g. info@, admin@). Returns is_valid boolean and granular checks object. Use before storing or sending to email addresses to prevent bounces.",
    "extensions": {
      "bazaar": {
        "category": "utility",
        "info": {
          "input": {
            "body": {
              "email": "support@github.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "data": {
                "checks": {
                  "domain_has_mx": true,
                  "format_valid": true,
                  "is_disposable": false,
                  "is_role_address": false
                },
                "domain": "example.com",
                "email": "user@example.com",
                "is_valid": true,
                "local_part": "user",
                "mx_records": [
                  "mail.example.com"
                ]
              },
              "success": true
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "email": {
                      "description": "The email address to validate (e.g. 'user@example.com')",
                      "format": "email",
                      "type": "string"
                    }
                  },
                  "required": [
                    "email"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST",
                    "PUT",
                    "PATCH"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "properties": {
                    "data": {
                      "properties": {
                        "checks": {
                          "description": "Individual check results",
                          "properties": {
                            "domain_has_mx": {
                              "description": "Domain has valid MX records (can receive email)",
                              "type": "boolean"
                            },
                            "format_valid": {
                              "description": "Email format passes RFC 5322 validation",
                              "type": "boolean"
                            },
                            "is_disposable": {
                              "description": "Domain belongs to a known disposable email service (e.g. mailinator.com, tempmail.com)",
                              "type": "boolean"
                            },
                            "is_role_address": {
                              "description": "Local part is a role address (e.g. admin@, info@, noreply@, support@)",
                              "type": "boolean"
                            }
                          },
                          "type": "object"
                        },
                        "domain": {
                          "description": "The domain part of the email address",
                          "type": "string"
                        },
                        "email": {
                          "description": "The validated email address (normalized to lowercase)",
                          "type": "string"
                        },
                        "is_valid": {
                          "description": "true if the email passes all checks (format + deliverable domain)",
                          "type": "boolean"
                        },
                        "local_part": {
                          "description": "The part before the @ symbol",
                          "type": "string"
                        },
                        "mx_records": {
                          "description": "MX record hostnames found for the domain",
                          "items": {
                            "type": "string"
                          },
                          "type": "array"
                        }
                      },
                      "required": [
                        "email",
                        "is_valid",
                        "checks"
                      ],
                      "type": "object"
                    },
                    "success": {
                      "type": "boolean"
                    }
                  },
                  "required": [
                    "success",
                    "data"
                  ],
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        },
        "tags": [
          "email-validation",
          "disposable-email",
          "email",
          "validation",
          "mx",
          "deliverability",
          "spam",
          "verification"
        ]
      },
      "builder-code": {
        "info": {
          "a": "bc_q6wi3opd"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1791462963/bazaar-icons/243ff0b79dbee242.png",
    "lastUpdated": "2026-10-26T04:03:04.992Z",
    "quality": {
      "l30DaysTotalCalls": 5,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-26T04:03:04.649Z"
    },
    "resource": "https://agentsvc.io/api/v1/proxy/email-validate",
    "serviceName": "Email Validation",
    "tags": [
      "email-validation",
      "disposable-email",
      "email",
      "validation",
      "mx"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate an email address: RFC 5322 format check, domain MX record lookup, disposable provider detection, and role address detection (e.g. info@, admin@). Returns is_valid boolean and granular checks object. Use before storing or sending to email addresses to prevent bounces."
}

What the leaf hashes

{"body":"87d2bbb56e65031f3cab63340fc83e0b0e7800bf1a5ad8910f63030037f61cb5","id":3968558,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1794083507598383,"prev":3762502,"subject":"x402_bazaar:https://agentsvc.io/api/v1/proxy/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 2026-11-07 (195826 rows).

1. 0x71019f9beb9202c740e3c038d0edbe499df550de9966909470245b3a949e2e31
2. 0x8f91b5609a038e04a29d814dd5b7704e5afde065dda979a13f4c71a279322361
3. 0x92ce36ffc9d1390199ae84e767be7bc48a89d3717ef5d1aedeaabbff54c3158c
4. 0x7f24ffbb7d12211f43645dc01524795f6281f062eb6ba97dc1ef84a9febbe0b0
5. 0xb93250399d6d5028c3ac5573c4718bda357e924c33f346069938bbc4eb593714
6. 0xc5e977d670e28a3405022d9fde217cebd446e613f3c2e9d13e7c67ea73d99456
7. 0x120e0185289a47930132162b89b664f762debb9a8db66b68c4dc11ad626c020a
8. 0xab8fa24840815b197791c79ff0226e5441061e9e64e0fc4bb49131e22470a55d
9. 0x974d7b4ab8d64702e4ce892346e967d310497c7cc75ae4cbfd91bd7b94eab72d
10. 0x15b9ae5d497bf01ecfd0db29ba06cb08d89b750277fbafab0d0fbb854095a535
11. 0x87a2bc96211a17fc93bb96e899956d188feb3088dd10735eb74114a83667bf27
12. 0x86b32b96c3e608b2e5b16a1aaef313acf9157049d7a9c475bae2c6417846fe1f
13. 0x7d1dd5bb14b5375b9f1486e172c5a59a72474b2313d43fda1b9b089df406ebbe
14. 0xe10968763bf5f376ed7bef52309abc0adc0394947582477a2899a3f332842d95
15. 0xdda41bf8f8b807884588170276b0203d24918e4a5c47ba7f4d5d0217f85e0cf7
16. 0x9108c80d13a11b7549b554924410a7c5d215a2cd03aee9659ca627cb099f1a2e
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa