Evidence row 218781

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.mailsecuritytools.com/v1/email-check"
    ]
  ],
  "name": "Mail Security Tools",
  "owner_address": "0x2daf658b01e257206375798a15832e9f547d65dd",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 120,
        "network": "eip155:8453",
        "payTo": "0x2dAF658B01e257206375798a15832E9f547D65dD",
        "scheme": "exact"
      }
    ],
    "description": "Validate an email address: syntax, MX, disposable and role account. $0.01 USDC on Base per call. Returns a verdict of ok, risky or undeliverable without sending mail. Bad syntax returns 400, not charged. Don't use this for confirming a mailbox exists; no SMTP probe is made.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "email": "jane@example.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "disposable": false,
              "email": "jane@example.com",
              "role_account": false,
              "verdict": "ok"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "email": {
                      "description": "Email address",
                      "maxLength": 320,
                      "type": "string"
                    }
                  },
                  "required": [
                    "email"
                  ],
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-26T14:54:09.174Z",
    "quality": {
      "lastCalledAt": "2026-10-26T14:54:09.174Z"
    },
    "resource": "https://api.mailsecuritytools.com/v1/email-check",
    "serviceName": "Mail Security Tools",
    "tags": [
      "email-validation",
      "email-verification",
      "disposable-email",
      "mx-check"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Validate an email address: syntax, MX, disposable and role account. $0.01 USDC on Base per call. Returns a verdict of ok, risky or undeliverable without sending mail. Bad syntax returns 400, not charged. Don't use this for confirming a mailbox exists; no SMTP probe is made."
}

What the leaf hashes

{"body":"a2835e5329c8113182167f5bd31e729dda6c3beed6f31a2963fa6cfbf6449c1b","id":218781,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793026653625697,"prev":null,"subject":"x402_bazaar:https://api.mailsecuritytools.com/v1/email-check","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0x93846417d6581261d97caf89a87009d7cea99e05acfb1cb016837052c0413fd1
2. 0xe136c5e425f62a6196cdddeeed40619bf2f730f662826a11c850f73e2301e15d
3. 0x8166e2efa4eb6891f6338531ee618e44d2618fc6d6ad63c5357052ac9014886e
4. 0x3399c4734593259f23bdfdf9dd0a021dba01300b500c4b17097947d6d5c84ff4
5. 0x20b1a75b5ab42c3b9f4cb2b94768d7922844f937a40668c4aa5bdb4b89601bbc
6. 0x1952ca90a982942f2fd0da5e1b24f39be7497699479150567e2f6c49429fafb8
7. 0xd11b2cd218922f4b2b6ccf0b83232991fafd9e87d086da49afec87e45bdb3cd4
8. 0xf10bbe3177c7f1c62a61bd89a66265a4c2a5256b209ac9feefcb8110e95626ba
9. 0x9c935e0d4bfff802c2c603de72b42f45c679ee9ab100bb7283c50b183356680c
10. 0x1452bac1c16ed1a13fd24d016370307a5402f74d73cad5641a5508fdb4d2c5cb
11. 0xcd52656344e352446858a7d55feb9336b07dd3ad98715c122aaf69d4eb3d6ca8
12. 0x3b55f6d5345bce3e1332e014f19526d25328fb6283d3518837a015c3621c0d1c
13. 0x45c1d3062bbe98a6b1540c7e2ccf6516eedd6ef07fdfeb1ba77ee6272970447c
14. 0xf0edabbb9ba0d643e5505d19d07637eb6f6aed0a1c7356af43ae7d84ae9ef0c5
15. 0xf0bd63870f0bb378fa300bd33563050dcb7b3e02b44eb3ee550c1c534ec4b246
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae