Evidence row 71626

Observed 26 Oct 2026, 14:38 UTC, by baseline/1.

Kind: listing
About: source_record x402_bazaar:https://bess-x402.onrender.com/v1/web/email-check
Recorded: 26 Oct 2026, 14:38 UTC
Previous row: None: the first of its kind about this subject
Body SHA-256: 2dd36ddc5c729c84d903f1e72137df9f5bfb865d764a21047d4225c9c5ca78b6
Leaf: 0x77c1098e1b88516424bac52a24ecda1087e7246ecf38cde64613fc0e3abf80a7

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://bess-x402.onrender.com/v1/web/email-check"
    ]
  ],
  "name": "Email Address Validation",
  "owner_address": "0x1129a6bb9c6165ff07fdc509c107b522ca0e1871",
  "raw": {
    "accepts": [
      {
        "amount": "3000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:137",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      },
      {
        "amount": "3000",
        "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:42161",
        "payTo": "0x1129A6BB9C6165FF07fdC509c107B522CA0e1871",
        "scheme": "exact"
      }
    ],
    "description": "Check an email address before sending: syntax, whether the domain exists and has mail servers (MX), disposable/temporary provider, role address (info@, sales@), free provider and typo suggestion (gmial.com -> gmail.com), with a verdict. No mail is sent and the mailbox is not probed.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "email": "jane@gmial.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "accepts_mail": false,
              "did_you_mean": "jane@gmail.com",
              "disposable": false,
              "email": "jane@gmial.com",
              "reason": "domain looks like a typo",
              "role_account": false,
              "syntax_valid": true,
              "verdict": "risky"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "properties": {
                    "email": {
                      "description": "Email address",
                      "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": "2026-10-23T10:51:30.425Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-23T10:51:30.07Z"
    },
    "resource": "https://bess-x402.onrender.com/v1/web/email-check",
    "serviceName": "Email Address Validation",
    "tags": [
      "email",
      "validation",
      "verify",
      "leads",
      "disposable"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Check an email address before sending: syntax, whether the domain exists and has mail servers (MX), disposable/temporary provider, role address (info@, sales@), free provider and typo suggestion (gmial.com -> gmail.com), with a verdict. No mail is sent and the mailbox is not probed."
}

What the leaf hashes

{"body":"2dd36ddc5c729c84d903f1e72137df9f5bfb865d764a21047d4225c9c5ca78b6","id":71626,"kind":"listing","method":"baseline/1","observed_us":1793025483025746,"prev":null,"subject":"x402_bazaar:https://bess-x402.onrender.com/v1/web/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).
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Day root: 0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8
Chained: 0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a
Published: On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae

How to check it · This row as JSON