Evidence row 3763806

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": "2026-11-06T02:14:28.889Z",
    "quality": {
      "l30DaysTotalCalls": 22,
      "l30DaysUniquePayers": 10,
      "lastCalledAt": "2026-11-06T02:14:32.029Z"
    },
    "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":"9e554f79d549d9bb7c2ea0899df2cd8b00310415daafb83e57f2731e45554be3","id":3763806,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793996549103323,"prev":3065060,"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 2026-11-06 (303443 rows).

1. 0x9bfa854ea187b998241f638121463801829b817546e6b2d6899ee777a8890ae1
2. 0xaa6074cb753a0d977c7f8571f5c2b50e5882909f3b34c083153374d920aa9f5b
3. 0xd26bc83aa5761815fe978db6c5fee6f99d9d6c24579b60fdab48c9b1d2e90ffd
4. 0xa081e9b000385c9426b799a8559056a5c672e79a633a65c62e6fd47a4df238e9
5. 0x67079a66003695dfa4fe5bbdf946fef32b11f9bb271c67e975c55807b72959d7
6. 0xc5adabc64fd49e4584b98ce890bc60aa2007eee051ebae4c33bbb120d8c2b84b
7. 0x32f72265a0cfe39b6618965b7f1d1460802a7b2e4c7adc36d5f8007329b93566
8. 0x0fbe66c58dfa78aa2a30c0da7ab5085f8285620b6666de218a56d1caccf668f5
9. 0x96685989100464bb7f175e596c445d92eab83d3d3050053393c3da9eb14f4eb1
10. 0x3546f8c48916199dae8a75563e3c23fbc9a2f58f647b8a32251151d6ad8defb8
11. 0xb7b0ce5e0f072a67854652b90c423a40a81ac473a6ad22bac90b6c61f1c302e6
12. 0xc5ee2473dd6b4d1b85faf304bd2ff670c2c607a61c24307c6542f00ef6ff27ba
13. 0xe21dd7395ca825ac0af3bb6331f0dba9860a2d889309f05e546de9706d7807ba
14. 0x19d8f50946c49be5dbb8db49fa8d24a336a0da953743d361599c38c351990fff
15. 0xd0ea1c67876a6aaf3607745d3124ddfa46a7db70cb95b8b0331a1db5672bf932
16. 0x15b694ad919111e31e8112077ed1645b2f3c0d6f1433eaac3aaf1fff1c7c8aa5
17. 0xe98c6c6b56a21a2fc4c1edfe2563812e690a6a4336d11aef772ac1799d1ee7ca
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1