Evidence row 1261481

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": "2026-10-30T18:31:41.802Z",
    "quality": {
      "l30DaysTotalCalls": 14,
      "l30DaysUniquePayers": 8,
      "lastCalledAt": "2026-10-30T12:47:26.778Z"
    },
    "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":"64041e745eb1f42b730effc2e3e12ed96106eefc84b197f9990c983c051c6e9b","id":1261481,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385511414067,"prev":67903,"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 2026-10-30 (243099 rows).

1. 0x7dbbfcf07eac62e493ff4e84e757e3408c744a5757de2923ec6f16749df7de57
2. 0x08f06633ea48a8d5e4df2fe70cf848763e401a908f6bdb07dddca3734b9bfca8
3. 0xd7aa8de4c61cb8b3647eface0d5e7df22abf10240561c124ccc4339319f521d1
4. 0xae63e7f877d73b7c7fe633f7010b9674aa807c2acd681269d85bce921aeb6fab
5. 0x849775183793be2b69e91f817fd6931fd6c94f0f905f8966032fab8a66a6315b
6. 0x47819470a67c43579546ea606a141f4b84b168b2c705321c09ae58f7ba9a3d8c
7. 0x1e643463d9da57d363bade2dc77234dba738cbcdd1970ce76c4e51a406043bfc
8. 0x6ffa433e4ab151c0379baa07e95515e6f80fbd09fb3c79f6a2ca26c33c15f344
9. 0x784201f4669202ff4a98c8223869e423c20817ce340fe7f706bb8c6c08253663
10. 0xa2a85e23b364f4e5f389312646ead5d8eab54a370867f04562de4da7927b1b02
11. 0xe52aad639e8a538914f12d9a11a9b31e8de71838cb27eb9ec5d204819c8da851
12. 0xcf45f2dcc5888aaadc0eb496a54cc515a0a59ac8c35821d099c43cdc3ab3abad
13. 0xa7d56640df9ea5dff8b1806e8b12302229aca5a856e7e8485fd58e4585190f8d
14. 0x98147b4434f11be9b2162fe0bf2cff64bd30ca1bfe5cd0edf25228078b678708
15. 0x235114e50a987e65d728b9ef8b5978846cd7c01f22effc55dd604c388ce359ec
16. 0xdbaaffa44665d1fa60d33d2c4075bd87629b76d01a6ee63e621e78590303b56d
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861