Evidence row 71298

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://atkvn.com/agent/v1/email-auth"
    ]
  ],
  "name": "atkvn.com/agent/v1/email-auth",
  "owner_address": "0xd67ec277b39181b916a897bee6db3fda484ee63d",
  "raw": {
    "accepts": [
      {
        "amount": "2000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xD67eC277b39181b916a897BEE6DB3fDa484eE63d",
        "scheme": "exact"
      }
    ],
    "description": "Grade a domain's email authentication A-F: SPF (lookup count, all-qualifier, duplicates), DMARC policy and reporting, MTA-STS mode, BIMI. Use before sending campaigns or to assess spoofing risk of a vendor's domain.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "domain": "example.com"
            },
            "type": "http"
          },
          "output": {
            "example": {
              "dmarc": {
                "policy": "quarantine"
              },
              "domain": "example.com",
              "grade": "B",
              "todo": [
                "No MTA-STS ..."
              ]
            },
            "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": {
                    "domain": {
                      "description": "e.g. example.com",
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "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": "2026-10-25T06:38:04.646Z",
    "quality": {
      "l30DaysTotalCalls": 2,
      "l30DaysUniquePayers": 2,
      "lastCalledAt": "2026-10-25T06:38:03.463Z"
    },
    "resource": "https://atkvn.com/agent/v1/email-auth",
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Grade a domain's email authentication A-F: SPF (lookup count, all-qualifier, duplicates), DMARC policy and reporting, MTA-STS mode, BIMI. Use before sending campaigns or to assess spoofing risk of a vendor's domain."
}

What the leaf hashes

{"body":"42da8b3bacdd3c86558bd40cd943dba85ba14ac02d20d2747135276d395e86d0","id":71298,"kind":"listing","method":"baseline/1","observed_us":1793025481925376,"prev":null,"subject":"x402_bazaar:https://atkvn.com/agent/v1/email-auth","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. 0x182b7c5cbe4c63465d7b45af927f9c52ea16e2d0f6d8e7a282b7f643906234b8
2. 0x05f2ee6661947cea0e6d085b1c6ad5a34ee9e3305c50aceafdf1f1bdd724d3a2
3. 0xcecaefd964430da688bbb1f01fe5c4affbd4b9c4a4f03e350f83f97b574051d9
4. 0x649c300f87841e7b34ab84aba3cc4d81ee746a9ea9a8bb146bf464ca6acda281
5. 0xf22e035f5444b07bb16617694ad801d80d916f44e3557f46401a22125fb9565c
6. 0x8e7fe1f94b1289b82974b21439686ea205ab0c4d9f1c9940ce91f2ee1573ba7e
7. 0x7fdd58cf351adf321bb6401e1804f85c2526337ec6793fc5a146085135dbf925
8. 0x6a4fccec71082a1252931255ece23b03cea2588e7275143b013b68ed8baa1516
9. 0x80aa64ce2bf6e31f5f88981fac2430f8954888b7e21f1f1f5064efe964f540b0
10. 0x4b181a898f514ff9cb15440f5fc1c2a2f938b6e95da8f6b6ddad9ea761c0d44a
11. 0x04d98d8716f171bd2264c6c49606521f410107287c5094c713f72cdf2fe1e1ed
12. 0x15eab8feed5b3f08165d63b9f1aed508c0624966a05349e051f86f0c188707b5
13. 0x32f46c5f73ecbfd4f770f7f760a79bee2afed4b3e7572fa882b3e7dce8df4356
14. 0x770e4376196188c7fc9ec40f8e218dc0d1cb92bba5fe0425a0edce27ca9a997f
15. 0x60582ab4b41e72eb70eb0bce07fbf0fb4d2b62a8bad5be50f5d16d511adc746c
16. 0xc6a4d7899a0f442958e26505011190b7cff2483611c1b94eba9043e0ba9ac36e
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae