Evidence row 407183

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": "2026-10-26T12:03:09.874Z",
    "quality": {
      "l30DaysTotalCalls": 7,
      "l30DaysUniquePayers": 6,
      "lastCalledAt": "2026-10-26T12:03:09.636Z"
    },
    "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":"b03c1524d66db21e90d10ec18fef955ed88d89ff2a36ee27310b63925511d27d","id":407183,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793080237676165,"prev":278475,"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 2026-10-27 (273461 rows).

1. 0x9bd619016aaf38d8b58d07c3ec7be2e83deb06512ab3c6179ace6c7e7b1d2e4f
2. 0x46507a9ee5216ac924bc4a76466686a8752fab93110b83f698ba3c25faa7f5cf
3. 0x8b6e10bf94d5b080aa734055edf8f2f3c08e1e6d8bacbaba06878f1fb2172b20
4. 0x469f6f11a98543b3be82e31e31f07b0d283a8ab30cda62b489a5172a747d5ba5
5. 0xa725a7e8f9c0158e313b634f139b8614731e154ff1f6a3822053738ac5972bc5
6. 0x5c35debd2563edae3553fe1857f37d1a13480a773ec714509981f17872c0cf73
7. 0x19868aa35e360bfcaf2663b1af8e6417edd8934b9ce2fba925994cd5ceede337
8. 0xbf5515fa00d5052cbee64c0a36577c5245e7feaf587c88d8ee5997d67b8a6c56
9. 0x034bf88835c3817ee7a5bca40b48f5cd4b1a21bb059a2a5b989b5658ee1b2215
10. 0xcf07a9c51845d2b686d97ca51c04fcac2332768628ecac7ec94bd21fd21bc2fa
11. 0x6dfee0668e57d69736759f28372f849ab8777b27547dbd940940d7ee450d4ca3
12. 0xaf993fe1020a8b1831a83a3f25a47d44065b1a3db518b49690cdf7bb3a275984
13. 0xe8a6f20810396abd4baf9472081cda6d396bc7cf52a77bffdd9f33b41c62adcc
14. 0xb37e6165108af3c1962db6b76953aee5ee86201747a07444ad2760bf2d5dca23
15. 0xa3fff4662cd48659f5bafd0612931759a90e53a7b4209ed8f26f6594a07bb547
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4