Evidence row 279039

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://x402.agentutility.ai/email-deliverability"
    ]
  ],
  "name": "AgentUtility.ai",
  "owner_address": "0x6c0752c09e7f6fa6526fcdf40e456a159ebb5621",
  "raw": {
    "accepts": [
      {
        "amount": "5000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x6c0752c09e7F6fA6526fCDf40e456a159ebB5621",
        "scheme": "exact"
      },
      {
        "amount": "5000",
        "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
        "extra": {
          "feePayer": "Hc3sdEAsCGQcpgfivywog9uwtk8gUBUZgsxdME1EJy88"
        },
        "maxTimeoutSeconds": 300,
        "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
        "payTo": "FJqAJ4dXkFbrp3EEo8E9x98iaBGUQwaU8Srz5ePfUXLH",
        "scheme": "exact"
      }
    ],
    "description": "Checks email deliverability by validating address format, MX reachability, temp-mail risk, role mailbox risk, and SPF/DMARC/DKIM authentication records without contacting the recipient mailbox. Use it as an email deliverability API, deliverability score, or inbox readiness domain check.",
    "extensions": {
      "bazaar": {
        "discoverable": true,
        "info": {
          "input": {
            "body": {
              "email": "support@example.com"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          },
          "output": {
            "example": {
              "can_receive_mail": true,
              "deliverability_score": 92,
              "domain": "example.com",
              "email": "support@example.com",
              "is_disposable": false,
              "is_role_account": true,
              "mx_records": [
                "10 mail.example.com."
              ],
              "risk": "low",
              "verification_level": "domain_dns_no_mailbox_probe"
            },
            "type": "json"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "properties": {
                    "dkim_selectors": {
                      "description": "Optional DKIM selectors to check. Defaults to common selectors such as google, selector1, selector2, s1, and s2.",
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "email": {
                      "description": "Email address to validate and score, e.g. 'buyer@example.com'.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "email"
                  ]
                },
                "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": {
                  "properties": {
                    "can_receive_mail": {
                      "type": "boolean"
                    },
                    "deliverability_score": {
                      "type": "integer"
                    },
                    "domain": {
                      "type": "string"
                    },
                    "email": {
                      "type": "string"
                    },
                    "is_disposable": {
                      "type": "boolean"
                    },
                    "is_role_account": {
                      "type": "boolean"
                    },
                    "mx_records": {
                      "items": {
                        "type": "string"
                      },
                      "type": "array"
                    },
                    "risk": {
                      "type": "string"
                    },
                    "verification_level": {
                      "type": "string"
                    }
                  },
                  "type": "object"
                },
                "type": {
                  "type": "string"
                }
              },
              "required": [
                "type"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      },
      "builder-code": {
        "info": {
          "a": "bc_awpbwsy3"
        },
        "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"
              },
              "type": "array"
            },
            "w": {
              "description": "Wallet builder code",
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            }
          },
          "type": "object"
        }
      }
    },
    "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1783070352/bazaar-icons/54f004eda341546b.png",
    "lastUpdated": "2026-10-24T21:52:53.274Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-24T21:52:45.514Z"
    },
    "resource": "https://x402.agentutility.ai/email-deliverability",
    "serviceName": "AgentUtility.ai",
    "tags": [
      "web-probe",
      "email",
      "deliverability"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Checks email deliverability by validating address format, MX reachability, temp-mail risk, role mailbox risk, and SPF/DMARC/DKIM authentication records without contacting the recipient mailbox. Use it as an email deliverability API, deliverability score, or inbox readiness domain check."
}

What the leaf hashes

{"body":"0a653e4972e231fe16eb9a4456f2d9717182fbe6aab3bff5f18dba31a9e90ace","id":279039,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793042165991650,"prev":125675,"subject":"x402_bazaar:https://x402.agentutility.ai/email-deliverability","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. 0x149e81207c52997dc8906868fb5c410fdc24fd48f1fcd8b4207d8761b6f405da
2. 0x075cca80cb668b66dda86c7cc4c2658f1560e6f8abb9eca35b6337442e4062e4
3. 0xf28662495357b1f59dff997ffb43209893abc29763c055e1e2d6754373f9d558
4. 0x754ed854fa6c0f0a07111153e52aba62a92b469d9ce1aff05c5b08b38bb79a98
5. 0x5171a4a848486e8b5dfe73d12b497ee6f356d6b0bafb825fe5e2618cb154975a
6. 0x7cb735d603fa34124bede476f2aa029e4669d9a6a4e5b22e36b8a26265b6a4aa
7. 0x4ba8268a31607f343dc2ddca7540545c980c61c9b178993cc3c16c7bf5b2dfa9
8. 0x48f40a310695d4651e0cd5effc1d19c591287d15c1b4f1852288e5bbe269f8d7
9. 0xa1c97fce099b76ae5c7423a9989001840737260494a60f3b3091dbe3a1371215
10. 0x008cbf3247d4503d443f28c4c20ecbbf230ffd5cf8ab0fd65a43b17b5b4825ba
11. 0xb5d5212c69fb335bad2409aa4a0da0469cc6cc62939ca82d5235005f3b154a2b
12. 0x2412cb8bc4d10d94e1eb907d5058dd12133e55416609e1b314e811af76620542
13. 0xff1c28bdf595a3d1333e9915edc68e9c5fded7bd5923fa85870979af34cbc3b3
14. 0xb49e8c2564256e5322e375cb619d9ac70fd17c1d1eba9c991bba4cb6428f45cc
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae