Evidence row 2726346

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": "2026-11-03T22:28:53.421431Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:28:53.421431Z",
        "updatedAt": "2026-11-03T22:28:53.421431Z"
      }
    },
    "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": "1.35.1",
      "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":"1dc5b4b743cd378f00021a38323e45aaa31868a852a2c59545541ee6e12fb247","id":2726346,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747991879667,"prev":2564492,"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. 0xfc62df20c6dc245834385ec6ff7cb31e3770bc07f7ec3da5336336d08d0d3cce
2. 0xb00d6bed98520114c83c772198011c35c575c24e4c58d682527fa9f58f59767a
3. 0x15fe7201685705a87847e1b3e15b08e1fea49cbf68392657e93ad5bbedbad624
4. 0x55f06aab7472b9fb833e5dd5d69a340f80779a337446c58293de481dd0ef1f76
5. 0xf0eeb816d212ec223c8ab5bf8ac0801150f02e7ac6d87d4d02510e7f34f9093b
6. 0x11de0b5a4674478aba7b8a9b4cb87f6002d5b903792491e807bb0e0530d8191b
7. 0x0243fea2d6e40e8ccb299b62701022e79a25a3bea62005b28fc679e1a3868ad8
8. 0x6ebefa18d0326e187bf0bfcdbab4bf71f3ca6621ca4161d9aaf71879a20ee954
9. 0x195dc5aabe9e7d7c6e9cd261d83b8c26c7243c6ba430865673940ec9d9e07a1e
10. 0xff5df5bfd473336a6f7727ce5256618650a72dabde74566d891960a9c65bb470
11. 0xed22ad04dde0ba43bc33ed0b6313bb55d55b9d56e855a3d279206ca09259931e
12. 0xcab7a6e31d37510b5b0dc721cc4f39483e1f87d2a170cfd38163f538e19c8c31
13. 0x60079cfab9dfee47546954dca240be72c67c7307edb40b9efb6dcbc22b705c62
14. 0x271cba1af45ae2133bb70993d2a8662bbad7bb8e8e0ab720853251f29efaee6d
15. 0xaaf692e701ee622e9e0fa24c7d0f9f672df8c586de5a6f0375f8cadaf0c678a1
16. 0xd60b16e6a71fbffc93a233ee89f916e50c0206a56f52c852b85e5a246b6b417c
17. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7