Evidence row 2632897

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": "2026-11-03T18:56:19.559Z",
    "quality": {
      "l30DaysTotalCalls": 18,
      "l30DaysUniquePayers": 9,
      "lastCalledAt": "2026-11-02T06:54:36.573Z"
    },
    "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":"5faa86a3a3bbca6c336798e6899461948a59fda84286f065fa289a9aa19dc494","id":2632897,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793734397625512,"prev":2201009,"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 2026-11-03 (425475 rows).

1. 0x0b9d9568ab0d1668950b7c5adab4954215803367e9a15075706fe944efb3db1c
2. 0xd98a43cedd1a3bde263c0f8468532212f8708d701ce215a7fd8d90b8a9b3d454
3. 0x9dbe8b058a77c0b60b076c0da7847928a99ce858abf14b1a9030baa5a118e41c
4. 0x1b5d1fe3a407a38880803807552da152e7459f8b41842e308da9a6167dfd7345
5. 0x52619868a8d3d31f09e41712a07d86142dcc77432c23c2643416ff0af873454e
6. 0xb9c43940685b87b912fd68ef0304c3f95bd30661cffefb36d05a75aff2a04fc4
7. 0xa9903973eef6490778a8bdcd88f429b7b66c9652d0a77bb94d7a185755bd55a4
8. 0xd6f4c523e6e39cce78a82d8c78c23d63279efe6ad0557880c5485a2bcb75d0eb
9. 0xa868dcfbd0dc553281c94ddd2333549dd15f9b286d736c6b4c2d0e324b636274
10. 0xc83c6ad198824daf683d0ccefb3e499c007cbc1a3677bb3c4c5c6aa36a469c9d
11. 0x397596e9fb49028a611c8dcc6c8484e6147e9e403b6e7a3bdbd66f69f1f7abf1
12. 0xfe6c1e47fa9082224161741f8fc4b2f2d642a73c16c335f4b097f0cd21aedb37
13. 0x77365e277a66401435f7d6ef2c2f391eb8bef5379137ac42138864d25b1fc624
14. 0xa495b842d8f7d8efe4285381f8b862b8ab4fec0bfe90ede1e0c66f9fad72c871
15. 0xb4a5f7c31f5cf0c432e074558e814e1cf79fb110d635b7af2aa4b424de125934
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7