Evidence row 1260866

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402-tollbooth.onrender.com/api/verify"
    ]
  ],
  "name": "x402-tollbooth.onrender.com/api/verify",
  "owner_address": "0xf1e6050f7f7b6a26bbfc9c2884cdd5720d1bedfe",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xF1E6050f7F7B6a26BBFc9C2884Cdd5720D1bedfe",
        "scheme": "exact"
      }
    ],
    "description": "Check whether email addresses are real and safe to send to. Verifies up to 25 addresses per call: syntax, domain MX/A record (including null-MX), disposable-domain, role-account, free-provider and typo checks. Does not perform SMTP/mailbox verification.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "emails": [
                "jane.doe@gmail.com",
                "test@mailinator.com"
              ]
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "checked": 2,
              "checks_performed": [
                "syntax",
                "domain_mx_or_a_record",
                "null_mx",
                "disposable_domain_list",
                "role_based_account",
                "free_provider_flag",
                "typo_suggestion"
              ],
              "note": "These are format and domain-level checks, not a live SMTP/mailbox delivery guarantee. status 'unknown' means DNS was inconclusive - retry later.",
              "results": [
                {
                  "checks": {
                    "disposable_domain": false,
                    "domain_accepts_mail": true,
                    "free_provider": true,
                    "role_based_account": false,
                    "syntax_valid": true
                  },
                  "did_you_mean": null,
                  "email": "jane.doe@gmail.com",
                  "notes": [
                    "Passed syntax, domain, disposable, role-account, and typo checks."
                  ],
                  "status": "valid"
                },
                {
                  "checks": {
                    "disposable_domain": true,
                    "domain_accepts_mail": true,
                    "free_provider": false,
                    "role_based_account": false,
                    "syntax_valid": true
                  },
                  "did_you_mean": null,
                  "email": "test@mailinator.com",
                  "notes": [
                    "Domain is on a known disposable/throwaway email list."
                  ],
                  "status": "risky"
                }
              ]
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "emails": {
                      "description": "Array of email address strings, max 25 per call.",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    }
                  },
                  "required": [
                    "emails"
                  ]
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            },
            "output": {
              "properties": {
                "example": {
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "s": [
            "cdp_sdk_server"
          ]
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "additionalProperties": false,
          "properties": {
            "a": {
              "description": "App builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "s": {
              "description": "Service builder codes",
              "items": {
                "pattern": "^[a-z0-9_]{1,32}$",
                "type": "string"
              },
              "maxItems": 11,
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "eip2612GasSponsoring": {},
      "erc20ApprovalGasSponsoring": {}
    },
    "lastUpdated": "2026-10-30T07:19:19.096Z",
    "quality": {
      "l30DaysTotalCalls": 8,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-30T07:19:18.72Z"
    },
    "resource": "https://x402-tollbooth.onrender.com/api/verify",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check whether email addresses are real and safe to send to. Verifies up to 25 addresses per call: syntax, domain MX/A record (including null-MX), disposable-domain, role-account, free-provider and typo checks. Does not perform SMTP/mailbox verification."
}

What the leaf hashes

{"body":"351a1cccb98ada98fa076922cf50e3bd8a238165bb62ed903da3840193fe64a3","id":1260866,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385487848198,"prev":407183,"subject":"x402_bazaar:https://x402-tollbooth.onrender.com/api/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. 0x609f34bc139f0de362425f8cc1411bca721864d41f6139fd1b50b95e873f263b
2. 0x8fba025a515392ea745d36fba2bf59397927663568eeb7a10348f5d4c9f0c869
3. 0x8cad584335c2a2f70a155dce0187284f97385477f5ed63ec462294873b203b42
4. 0xc84590d8b4410f2cb791c56deea1b48ec6caf19cbc05f0b53f83ef15eb2b779c
5. 0x276f4ab9cbd442de26ecda44a99f274e7381886d9c61141306d87200d86b168a
6. 0x7195a993a4bcb531d6e2f64cd74d224574858bcc2ee8d58b2b0fce2f09d6c183
7. 0x945322355780ab332f58e2f33cea39e68c9b0d79228b639098a8db4c60e4a699
8. 0x92f80feb26639a4ca198a074a8c244e06fa1b8cba6f959d55fe35d3981be17cf
9. 0x609f748c32db7a4225226440303d35262709ee46b1d9303e626ff3d280750c8b
10. 0xfed93439b95617541ecd08b4db5c1aeadff967ac0b156ae3c0e0224d06ea2503
11. 0xec872a5c9b7886e8155359893e581dc779ea0cbbdf08f1bb555de303ea60a786
12. 0xf367c0b1df2ffc15b764b5ad0caaf07526aeec73d9b9a4fd7bcc5de033506aee
13. 0x7ae0971906d125dd6b90b4b23f9b0f031568e95c77c8aba07223b5ef3ee3e226
14. 0x863694f188c4b3bb5062c468823f130a2c1762c9b6bf2ce9a68fd27f465427d0
15. 0x7ecc532de10b728de98de2eb2a81fbd8da2254ff32b38b6ffde14af9964fc470
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861