Evidence row 452974

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": 5,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-25T21:10:59.191Z"
    },
    "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":"d06d80fa2600fc1f71e7c2ae579b95c064f845afa38afeabae5f2a09e17f0d81","id":452974,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793100582814577,"prev":68185,"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. 0x2fa26c722332331ca1ea12bef2ffc5bf9d673b2ddf6c306e723c3b3fe3225c83
2. 0x479494a18b5c7a14f2cf8d3c673f100f940b9d1492502c494a82fe022cd1193f
3. 0xd1ae1c11ed16a4e5465552944da46a63bc276db9ac945ff2f6cfbc2debfd7569
4. 0xb67038ff04d0adbe7a3f97a7705fb27ded700c134a7b46cc054aa7bbaffa1d46
5. 0xabf9fc9454e91be45f1ac534197ec22055aaa5b9387320bb72dc584b9a5e58fa
6. 0x9670739d0a83b0893bd173d264bff4494cd5a18f9c965a11857db7f2a6a69739
7. 0xcdf4d1705532d9a7bf1635d2d5506228118c0e4d235673a5c9103f697dee816d
8. 0x0bcf165f714bb5046851a308b36cbdf92061158a148e4d470c411fe511102404
9. 0x30b5bd02fd816232a9be235538abd9136492f1e6d0039d9a54b40c8676b75fab
10. 0x09d22aa8321804bb85af75a6d6a38dd03052a661f17c34bb148cb9160e1dc866
11. 0x20bfebc9be09c8d1bd071c02e953c031252540d9fc909484016645ed1412efc4
12. 0x2d9c2517fb6dcdc0ce42dd3a93f7e33064509cbed0a9132fb1209ec8f33ef0ab
13. 0x2a25cd9926d8f2ef4726fd2a80f77b1ca202b6c3ca56aeb2f520555c93efd434
14. 0x595de2dea3b8fa56dbd6142dd78ae79f3e7169c631e41a844b100613abb3e430
15. 0x8360ee1105e4d9f9312067cbbfd47c69c5948665ae582b9684a580c8f4e199e1
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4