Evidence row 1262527

What was observed

{
  "endpoints": [
    [
      "x402",
      "https://emailauth.openverbs.com/v1/spf-parse"
    ]
  ],
  "name": "Parse an SPF record",
  "owner_address": "0xb3f4de103f34b99f0da19b4f16d6b53a14c2194a",
  "raw": {
    "accepts": [
      {
        "amount": "4000",
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "maxTimeoutSeconds": 300,
        "network": "eip155:8453",
        "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
        "scheme": "exact"
      }
    ],
    "description": "Parse an SPF TXT record (\"v=spf1 …\") into its qualified mechanisms and modifiers. Records that do not start with v=spf1 or use unknown mechanisms are clean 400s.",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "record": "v=spf1 include:_spf.google.com ~all"
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "record": {
                      "description": "SPF TXT record, e.g. \"v=spf1 ip4:192.0.2.0/24 include:_spf.example.com ~all\".",
                      "type": "string"
                    }
                  },
                  "required": [
                    "record"
                  ],
                  "type": "object"
                },
                "bodyType": {
                  "enum": [
                    "json",
                    "form-data",
                    "text"
                  ],
                  "type": "string"
                },
                "method": {
                  "enum": [
                    "POST"
                  ],
                  "type": "string"
                },
                "type": {
                  "const": "http",
                  "type": "string"
                }
              },
              "required": [
                "type",
                "method",
                "bodyType",
                "body"
              ],
              "type": "object"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    },
    "lastUpdated": "2026-10-30T12:40:10.918Z",
    "quality": {
      "l30DaysTotalCalls": 3,
      "l30DaysUniquePayers": 3,
      "lastCalledAt": "2026-10-30T12:40:10.662Z"
    },
    "resource": "https://emailauth.openverbs.com/v1/spf-parse",
    "serviceName": "Parse an SPF record",
    "tags": [
      "parse spf record",
      "spf record parser",
      "spf dns lookup",
      "validate spf syntax",
      "email spf mechanisms"
    ],
    "type": "http",
    "x402Version": 2
  },
  "source": "x402_bazaar",
  "summary": "Parse an SPF TXT record (\"v=spf1 …\") into its qualified mechanisms and modifiers. Records that do not start with v=spf1 or use unknown mechanisms are clean 400s."
}

What the leaf hashes

{"body":"44b2adf725309eb1b4893ad7227e6b3795836d39546dc15e9bc6a9280a0107f5","id":1262527,"kind":"listing","method":"sync.x402_bazaar/1","observed_us":1793385566684847,"prev":74846,"subject":"x402_bazaar:https://emailauth.openverbs.com/v1/spf-parse","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x3d3f38486636414a8a2fc1c60b9b0b9f76e0e67568eddd544635c32280f967bb
2. 0x45f386a34e3a85aab616aaab4e2dcb9923953d39ad9fb8a862ed12d20130f779
3. 0x06253961d1a9586110eeb547d95e3d5e5537a44024be57c1ffa2b01f723552e5
4. 0x8ca27cbde6a00e7cddba42d1f4bbc9660c00a316213a5ba8734bb8d6144fcad9
5. 0x113f4c5374eeb4daaddd0944c522c812a6bb4d278ac5ab77411f723c2ec6618f
6. 0x28bb017200391e13ea6734c14d90ccc089e0b02c16768909941798476ba82faf
7. 0x4964be10c9b34ffe51bb015c020e8bd54da1a34f8b18f0ba739a77bc77f6f046
8. 0xbba28fc579a9aea11a69900b80468d7345b95de99a38c266dd6748d286370fd5
9. 0xd02f5a91ccc1a0c3eaea2c78048031b3ea71de774ce40ab2edcc03599299e6e0
10. 0xd4ade023aedd6e7f001b65ddd6e9836a9f5ec6944acff45c853f1bcae3591318
11. 0xf5ff2fd6a35608f8b60c6b9963f6a72348f72c317a19873a5a13029ab9339ce8
12. 0xcec7225eb0c02e15bfdea18670d12c3ebee33e694e322ebba479a584848663f0
13. 0x05e3745d6b84753d0312b870094fda67db896c86a58c40e543116da79d764c1f
14. 0x775f1cf1eda93a75a3d05aa8e7b45b258d1de91c21741301b1aa3d048fba588c
15. 0xd7d5c71ec079257a487d0494049c896f97cf8bf7d89a43fea539777c548c96f3
16. 0x50ca74d7c8f26a46e9c3b8fb5e7f9ebcdfdcc1b7c863db3b6d2b7c12e24ca66f
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861