Evidence row 2564492

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://emailoctopus.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/emailoctopus/"
    ]
  ],
  "name": "EmailOctopus MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T09:53:47.032014Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:53:47.032014Z",
        "updatedAt": "2026-11-03T09:53:47.032014Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/emailoctopus",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://emailoctopus.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/emailoctopus",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "EmailOctopus MCP by usefulapi",
      "version": "1.35.0",
      "websiteUrl": "https://usefulapi.io/emailoctopus/"
    }
  },
  "source": "mcp_registry",
  "summary": "Manage lists, contacts and campaigns, and read campaign performance reports on EmailOctopus."
}

What the leaf hashes

{"body":"ed41edab18bb3b21a59469c6c5ae6dcfc8996f1e3608c0748c91a8a12b5117b8","id":2564492,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701159983313,"prev":2546387,"subject":"mcp_registry:io.usefulapi/emailoctopus","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x5175b0bce185649ea73a8552b2a1307f18aeab7d947f2a43b0198c4cf76e2112
2. 0xe974ab66125ba66801b1967fb4bfb63e437dcdb740a690fa80233d3bc341f783
3. 0x885d22f2ef7a1803e91c12a60d8d91ad4ec0664136fbba7d8d8c0c26e1831c17
4. 0xf5a1568bf321d3d41088acfb764d7ae147226be43ee8e0bc9760b3e4e2361502
5. 0xd329ffb6f92a4241e293a0d8ded2cff06efd9cb30823f8b87ae9bceb1830705d
6. 0x1d130dda0a9f9afd91ccc719349ea71315bdc61086d6a5035adec65a8e30ae70
7. 0x48a507d41b510ca06f9c60b616eab0902a90e2e54a8ac121666d42fa346af9b5
8. 0xa17e38ece86f02bad8d103d25aa4d895aad17d8aa0a2b2fd007d4f7c0c8b77ea
9. 0x3c75b29edadbcd7489929e126cfb78d88f216877a19f9f6912281c351eb96e64
10. 0xdd99ce4964370568c80f3a80af1e5b0184c8058c2e43c14d8f06e891c5a7280d
11. 0x9929819be4980e56cbda3548174a93e82de6e9003dfe5712a2165523b73297c1
12. 0xb0d22baad9934ebb5593025582104ddbdf0a07b01c5a78fbf57111b91a81323d
13. 0xda890c866fee416acf3ff2be58beb7a0c492529b5dfac161cafa4d4b110f5f9b
14. 0x4b9907277e91efb1f7d9761806af6ae068cc26782473322e3d536248ba73fc2e
15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7