Evidence row 527675

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.probekit.dev/v1/mail/dkim"
    ]
  ],
  "name": "ProbeKit",
  "owner_address": "0x5be2be9f95549a2d69951d24a2b3901d1df1bc05",
  "raw": {
    "accepts": [
      {
        "amount": "10000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5bE2bE9f95549A2D69951d24A2B3901D1df1Bc05",
        "scheme": "exact"
      }
    ],
    "description": "Fetch and validate the DKIM public key record at selector._domainkey for a domain: key type, key size, revocation and syntax, with coded findings. Use when an agent knows the selector (s= in a DKIM-Signature header) and must confirm that the key is published and usable. It does not verify message signatures.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "domain": "example.com",
              "selector": "selector1"
            },
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "method": {
                  "enum": [
                    "GET",
                    "HEAD",
                    "DELETE"
                  ],
                  "type": "string"
                },
                "queryParams": {
                  "additionalProperties": false,
                  "properties": {
                    "domain": {
                      "examples": [
                        "example.com"
                      ],
                      "maxLength": 1024,
                      "minLength": 1,
                      "title": "Domain",
                      "type": "string"
                    },
                    "selector": {
                      "examples": [
                        "selector1"
                      ],
                      "maxLength": 200,
                      "minLength": 1,
                      "title": "Selector",
                      "type": "string"
                    }
                  },
                  "required": [
                    "domain",
                    "selector"
                  ],
                  "title": "DkimInput",
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-27T10:18:04.058Z",
    "quality": {
      "l30DaysTotalCalls": 6,
      "l30DaysUniquePayers": 4,
      "lastCalledAt": "2026-10-27T10:18:03.393Z"
    },
    "resource": "https://api.probekit.dev/v1/mail/dkim",
    "serviceName": "ProbeKit",
    "tags": [
      "email",
      "dns",
      "deliverability",
      "dkim"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Fetch and validate the DKIM public key record at selector._domainkey for a domain: key type, key size, revocation and syntax, with coded findings. Use when an agent knows the selector (s= in a DKIM-Signature header) and must confirm that the key is published and usable. It does not verify message signatures."
}

What the leaf hashes

{"body":"10e6b37f1654b32f76e8432a9eedb1b022ac6735b9d38c9cdbd8d8c0ca1caaaf","id":527675,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793124846175199,"prev":452974,"subject":"x402_bazaar:https://api.probekit.dev/v1/mail/dkim","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. 0x36303a2860a3626a53bd202b486130154b4506471314d45a13d93ab1fa9c06c6
2. 0xab2a2a2b3e8a6e132a3ec79ba20adfaac33c1e2e3eee23487fb64e67acc4ec1e
3. 0x98e74588010622e1b187a80496bcb6ac1004af8c93f6aa3adebfd47f1579ea4a
4. 0xee986071a59341aa2e1373353600d44ab2d38d17d82eb4c911e29fe3218a4005
5. 0x159b4cf26385784925e86035b7dad8abf57f383335c2fa7603292ef106b10603
6. 0xe644a81ea367e04dec6ae0647a752e7f8ad69523e1c9d550ec19d2eb2bef80b3
7. 0x5183ca6d385b0daefed67ddc8b26c596df3ebbfdcf83ed843f07cf6374758df4
8. 0x388f15d6d6dc8a20c1ec6184e1ab6e0753ec5d4b966befad2c5692faa5a86885
9. 0x31f634817eb030f8bc2e882f25cb9a2872467ec9e1e7491d28c5c79932ba8807
10. 0x9303dad5598c8a9641bbca86402d3072ab43741d95a96237b754770c038b292c
11. 0xe7c95b2481f8608712c648f0575ee5fd40d606308bd196d991e6e8c58dd081c1
12. 0xdb9db1a3e6d5dbf0cebe03506aac88a6794bcc4c262bb265cd126434710b66f9
13. 0x5a6a2d80130a2a2e783e8f8096057d594b53c7bc148344100f2c40afa809745f
14. 0x42784d9809d120654630ee1b254a1dd90a2bbd3024aa180f1a59bbf53e9316e4
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4