Evidence row 119238

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://rooms.aurmada.com/x402/v1/email/check"
    ]
  ],
  "name": "Rooms by Aurmada",
  "owner_address": "0xef56e1fa792b8f3e87dcb09fa36261d213c10a09",
  "raw": {
    "accepts": [
      {
        "amount": "1000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xEf56E1Fa792B8F3e87dcB09fA36261D213c10a09",
        "scheme": "exact"
      }
    ],
    "description": "Use it before you send to an address, or to screen sign-ups and leads for typos, disposable domains and role addresses. Checks syntax, MX records (with the A-record fallback), null MX, a list of about 120,000 disposable domains, role addresses (info@, support@…) and free providers, without sending anything. No SMTP probing, so it can't confirm the mailbox exists. Never charged for errors: we settle the payment only after a successful answer.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "email": "someone@example.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "accepts_mail": true,
              "disposable": false,
              "domain": "example.com",
              "email": "someone@example.com",
              "free_provider": false,
              "has_mx": true,
              "mx": [
                {
                  "exchange": "mx.example.com",
                  "priority": 10
                }
              ],
              "role_address": false,
              "syntax_valid": true,
              "verdict": "deliverable_domain"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "email": {
                      "description": "Email address to check.",
                      "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"
        }
      },
      "sign-in-with-x": {
        "info": {
          "domain": "rooms.aurmada.com",
          "expirationTime": "2026-10-25T18:57:41.396Z",
          "issuedAt": "2026-10-25T18:52:41.396Z",
          "nonce": "47b6ee9f3702960695d01f8fcfd89ca1",
          "resources": [
            "https://rooms.aurmada.com/x402/v1/email/check"
          ],
          "statement": "Sign in with your wallet: your first call to each Rooms lookup is free.",
          "uri": "https://rooms.aurmada.com/x402/v1/email/check",
          "version": "1"
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "address": {
              "type": "string"
            },
            "chainId": {
              "type": "string"
            },
            "domain": {
              "type": "string"
            },
            "expirationTime": {
              "format": "date-time",
              "type": "string"
            },
            "issuedAt": {
              "format": "date-time",
              "type": "string"
            },
            "nonce": {
              "type": "string"
            },
            "notBefore": {
              "format": "date-time",
              "type": "string"
            },
            "requestId": {
              "type": "string"
            },
            "resources": {
              "items": {
                "format": "uri",
                "type": "string"
              },
              "type": "array"
            },
            "signature": {
              "type": "string"
            },
            "statement": {
              "type": "string"
            },
            "type": {
              "type": "string"
            },
            "uri": {
              "format": "uri",
              "type": "string"
            },
            "version": {
              "type": "string"
            }
          },
          "required": [
            "domain",
            "address",
            "uri",
            "version",
            "chainId",
            "type",
            "nonce",
            "issuedAt",
            "signature"
          ],
          "type": "object"
        },
        "supportedChains": [
          {
            "chainId": "eip155:8453",
            "type": "eip191"
          }
        ]
      }
    },
    "lastUpdated": "2026-10-25T18:52:41.417Z",
    "quality": {
      "l30DaysTotalCalls": 12,
      "l30DaysUniquePayers": 8,
      "lastCalledAt": "2026-10-25T18:52:41.294Z"
    },
    "resource": "https://rooms.aurmada.com/x402/v1/email/check",
    "serviceName": "Rooms by Aurmada",
    "tags": [
      "email",
      "email-validation",
      "email-verification",
      "validation",
      "mx"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Use it before you send to an address, or to screen sign-ups and leads for typos, disposable domains and role addresses. Checks syntax, MX records (with the A-record fallback), null MX, a list of about 120,000 disposable domains, role addresses (info@, support@…) and free providers, without sending anything. No SMTP probing, so it can't confirm the mailbox exists. Never charged for errors: we settle the payment only after a successful answer."
}

What the leaf hashes

{"body":"95a53932ac8119c563d32492836f863b6f676ed923b3eb2be85f6765aa9aaee5","id":119238,"kind":"listing","method":"baseline/1","observed_us":1793025615005090,"prev":null,"subject":"x402_bazaar:https://rooms.aurmada.com/x402/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. 0x6e792a0ed7b312592cc445f0e49067147ecfde6503972c74bfece06a05b73d49
2. 0x7fc1cf9abaf89f3242e82431219799fe839d7860dee1e05b5d1d65573e096c69
3. 0x4420f6c8b72512c8a7ff7246c4a241d5b524e356858ad78a8ee181113a83e645
4. 0x51fd90a3826799b56e1fb66ab5582aab5eb45948c206ca02a6bb2ecb0a129048
5. 0x9f5aa5335b0ed8fc76347d17e21fe8f3d6b31a253ef0639a173873c907e8a5bd
6. 0x6a441aa3826b1ba16defcc75fe85a73254f05c116174cbdde475972f8616ba6f
7. 0x61f463dccdf4b0a09df39bc5c789393808b9cabb9c296b73e283a35d4eda1e98
8. 0xf7e14d55bf19f3dfdc8de6b8940b232768da8b20060e578a1a392054cc5d993f
9. 0x027bacb03f66fd117cebcfa0c93fcbed349f8cd34d7ca4b62a1550f1b51d83c1
10. 0xaee08b0a7fe6600aebc470a11e9a419553ea293db9d18d86b66fe6794f3e5b55
11. 0x3167834b22bda59442a4af0440d698d3a42612c3d6ce4e293e0fa97975320c38
12. 0x134f9b6d26973548d1c789e6b61a12b25e2a5a8fb632e692cd20a1b08d766a1b
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae