Evidence row 1508077

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.oldcolonyweb.com/v1/email/verify"
    ]
  ],
  "name": "Old Colony Web Agent Services",
  "owner_address": "0x1403ddf1151e0dd4fa68b06cc9cbf7d55cbe2062",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1403ddf1151E0DD4Fa68B06CC9cbf7D55cBe2062",
        "scheme": "exact"
      }
    ],
    "description": "For $0.002, privacy-conscious email preflight: submitted addresses and request bodies are not intentionally logged in routine application telemetry (full address still reaches our server). Inspect syntax, DNS/MX, listed disposable domains and provider typos; receive structured decisions. API reverse-proxy access logging is disabled; infrastructure/payment providers may keep records. No zero-retention, mailbox-existence, deliverability or consent guarantee.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "email": "name@example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "decision": {
                "action": "proceed",
                "next_step": "Continue the workflow only if mailbox verification and consent requirements are separately satisfied.",
                "reasons": [
                  "syntax_valid",
                  "domain_dns_present",
                  "mx_present"
                ]
              },
              "domain": {
                "disposable_evidence": {
                  "scope": "limited observed-domain list; false means not listed",
                  "snapshot_date": "2026-10-08",
                  "source": "castle/disposable-email-domains"
                },
                "disposable_provider": false,
                "dns_found": true,
                "free_provider": false,
                "mx_present": true,
                "normalized": "example.com",
                "typo_suggestion": null
              },
              "email": {
                "normalized": "name@example.com",
                "role_address": false,
                "syntax_valid": true
              },
              "limitations": [
                "Mailbox existence was not checked.",
                "This result is not a guarantee of deliverability or consent to contact."
              ],
              "observed_at": "2026-10-02T00:00:00.000Z",
              "status": "complete"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "email": {
                      "description": "Email address to inspect using deterministic syntax and domain/DNS evidence.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "email"
                  ],
                  "type": "object"
                },
                "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": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-31T05:19:52.024Z",
    "quality": {
      "l30DaysTotalCalls": 16,
      "l30DaysUniquePayers": 9,
      "lastCalledAt": "2026-10-31T05:19:51.6Z"
    },
    "resource": "https://api.oldcolonyweb.com/v1/email/verify",
    "serviceName": "Old Colony Web Agent Services",
    "tags": [
      "email verification",
      "email validation",
      "disposable email",
      "email preflight",
      "email typo"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "For $0.002, privacy-conscious email preflight: submitted addresses and request bodies are not intentionally logged in routine application telemetry (full address still reaches our server). Inspect syntax, DNS/MX, listed disposable domains and provider typos; receive structured decisions. API reverse-proxy access logging is disabled; infrastructure/payment providers may keep records. No zero-retention, mailbox-existence, deliverability or consent guarantee."
}

What the leaf hashes

{"body":"b6b78053e996ca08d967c1915cba483fdc9f47919b14ae12a2740f7463448ff4","id":1508077,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793472707228741,"prev":1261481,"subject":"x402_bazaar:https://api.oldcolonyweb.com/v1/email/verify","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xa2d7764d498b16417d162e3c9bce3baf8996e7b80a9a48dd834983b756f75079
2. 0x7548a89acaa6ee79274b5c891066ba50aeb7429af8fac43af72ebaa7f1b97b6f
3. 0x0d8c8886e58a67f0f28f85249c8981f300503d6fdc8a7f86f158fc55d8da0242
4. 0xfd3b6b3fb73291f55056180d898c200db2513e64c75f3f5761bfce9fadd752a0
5. 0xe73d221da010240ccb1fce4cce55dd8dfedfae854754b2a5ed07a986f5beb1af
6. 0x4a350000c140924c923af9d529213b83321a371a4f5893bcd58c4707a9343cb0
7. 0xa3490d80e18fc28734b725f37fd35ef3f105099ca88d258c1e23a1677ae04248
8. 0xda8be254ab635bc33955bb54167522ae7d435cd90c1da92c269c91cad83b29b1
9. 0x7a79f6bc93d3aed52133870db96bd66da272068a74ab4a78fdca2abe7571a1e9
10. 0x9722e738cbc62b09cccc15b765706f4ffb61a04f53786d06400995e9cc6d796f
11. 0x8c6b9ed19088b4cce7206e0cf1e0d2a88971d3e5f08c2965051e864dd188ece5
12. 0x793e109e24366900ed525fd6441b8679bd8e0f90728d544dacac6ad8639f385f
13. 0xbb0d6a5ef6d4a77fc1050819b844be89ee9cf38eab6c5c080e1d03a1935ecfc3
14. 0xfc4e63034c3e47c4cc19a85dbacdb421762119a58090dfe0c71e13f11f75db19
15. 0xaada757a4e58b5424e31228ed7c84f378168cc321ac8ae3a78bfc8096bcc0324
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0