Evidence row 548733

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://api.lookproof.dev/v1/mail/dkim"
    ]
  ],
  "name": "Lookproof",
  "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": "2026-10-27T12:40:09.098Z",
    "quality": {
      "l30DaysTotalCalls": 1,
      "l30DaysUniquePayers": 1,
      "lastCalledAt": "2026-10-27T12:40:08.842Z"
    },
    "resource": "https://api.lookproof.dev/v1/mail/dkim",
    "serviceName": "Lookproof",
    "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":"d595832a18cd4747b70b124e5046bac914f7b07cb5330d048d1854efc95ec8b8","id":548733,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793133321537887,"prev":null,"subject":"x402_bazaar:https://api.lookproof.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. 0xf0625ba1d9f1b234c46261250aa08aa6f53959f5e52b26fa17fe519f0ef68d9b
2. 0xedc723801bbd2ec4f60943b738bd41e3f1830d8bb0bf769c1805162f5a570aed
3. 0xba156398dd5a5836f52ad09298c79ed93a9f026f9c1af3a6f241ea042ea0df15
4. 0xd17a212dc7b5b07980941ad7f3861be2b7c5cc5f505f22a46a218aa204a83a9c
5. 0xe43c51823387f1769c7e8c074dfba02c68b52219b6cb3eeba39656602c648a8f
6. 0x6a3564cc5e47129b06f639cd4df77d8436edcd411f0c296fc8b9388ad446e1a4
7. 0x8f143f7204056adde7915fd2701883f1c5fe4f19d764bca792e70d3c68d93f30
8. 0x7fb072f6a607c464d40e32ae2b719f0e449fc53084c5efaabe8a2e7475802468
9. 0xc33789b327f11a8f86ca984e79f0c147259e0aaf6fa45a3169ddf8e51e850399
10. 0xc9611219182c35921be12b87f2d13629aee193e52b7e3870e64c50b8ed74d7ba
11. 0xfc581fd63fedfc1ebada8acb9d8afcfc2eff628470941f629f6e99f5ede11e36
12. 0x8b1294df8f40a2bb6ff0bafdf2505700af24dfe2985fb999b2353f4c85cb56ba
13. 0xe0ddf3e1c8349b7fe55d4b2a6864486a77de3e3c0e371df44d69aeb837cfd79c
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4