Evidence row 68186

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.probekit.dev/v1/mail/dkim-discover"
    ]
  ],
  "name": "ProbeKit",
  "owner_address": "0x5be2be9f95549a2d69951d24a2b3901d1df1bc05",
  "raw": {
    "accepts": [
      {
        "amount": "20000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0x5bE2bE9f95549A2D69951d24A2B3901D1df1Bc05",
        "scheme": "exact"
      }
    ],
    "description": "Try 27 common DKIM selectors (Google, Microsoft 365, Mailchimp, SendGrid, Mailgun, Zoho, Proton, Fastmail, Mailjet, Amazon SES and generic names) for a domain and validate every key found: type, size, revocation and testing flag. Use when an agent needs a domain's DKIM keys but does not know the selector. Finding none is a hint, not proof that DKIM is missing.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "method": "GET",
            "queryParams": {
              "domain": "example.com"
            },
            "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"
                    }
                  },
                  "required": [
                    "domain"
                  ],
                  "title": "DomainInput",
                  "type": "object"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-25T18:46:54.401Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-25T18:46:54.161Z"
    },
    "resource": "https://api.probekit.dev/v1/mail/dkim-discover",
    "serviceName": "ProbeKit",
    "tags": [
      "email",
      "dns",
      "deliverability",
      "dkim",
      "selectors"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Try 27 common DKIM selectors (Google, Microsoft 365, Mailchimp, SendGrid, Mailgun, Zoho, Proton, Fastmail, Mailjet, Amazon SES and generic names) for a domain and validate every key found: type, size, revocation and testing flag. Use when an agent needs a domain's DKIM keys but does not know the selector. Finding none is a hint, not proof that DKIM is missing."
}

What the leaf hashes

{"body":"59e5e2ae152ad76eddce205e722c126f3e7552dee825828e387a0dedb26891cc","id":68186,"kind":"listing","method":"baseline/1","observed_us":1793025466273437,"prev":null,"subject":"x402_bazaar:https://api.probekit.dev/v1/mail/dkim-discover","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. 0x9ccce544ced130abee9f7a56f84976a74643516d23859210d2b018c980891192
2. 0xd30a1671fdf455875fb6bd743eaaaadb5b1f93e977a0ebf68eb30940784303cd
3. 0x9f32a1fb8913f762c75131401c850f6565955189700db3df415d9f9126b716fc
4. 0x90b83dde4e40e62e78983afabef3e6250ae57654c254f164eb50251e044aaff2
5. 0xff772ad2ab7ca30bfda1140e227823c61db304e754a52d9947b878eaf9f146f8
6. 0x53fd8253fd98aa10d1bff0270b647d565647d5494045d1b0a439a4f50501a246
7. 0x8066aeb16605a70260112fb41eae211031ab7791c9e473f5b04b266106ced4ca
8. 0xfbcae499c5b9bf8ce4011fa1326dac2724c2a7202e2e3bea20a2a97a66c05207
9. 0x536d0ce85bffba8b25263274719046b3b95426e114d55ba1e2c0e93076a0d1bd
10. 0x1a90ba89f036e98e4e1b5af7f96b79f0586042bc85461ebbe79c82b27bdc57dd
11. 0x4a4b7460b27353d096fad8c7820603e2d212a25fa0e24fdd0b1ce11cd6ca098c
12. 0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae