Evidence row 3723441

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": "2026-11-06T12:08:06.856243Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:08:06.856243Z",
        "updatedAt": "2026-11-06T12:08:06.856243Z"
      }
    },
    "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": "1.35.4",
      "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":"1e47b8d07c31790d134152b3cf13752d64ad4d6fe75f28b4dd82249d97c50b3f","id":3723441,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967737440497,"prev":3414160,"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 2026-11-06 (303443 rows).

1. 0xf811ccee86ce87c0c643d52597396d86bb05c0e027e49414549d3ec202c65d66
2. 0x773c658be22bf1f6c4c7d66a67d5a97df456ec81db260485328abab6a64d54d2
3. 0x546bfcb7a199611cc70589f03ce09a48395e9dbd1a2d30a29acf83d0dedff0bb
4. 0x30fdfb571a61a76c938d20054c8f4f9133e10e8cec2165e46189b4e55b1a4809
5. 0x2462955350848a2824c1829b6bfb8b7c1cf83240f0a6f30d456c4ec6d9cc50c3
6. 0x2ab923576f6d2f31fbfae044343097ba3c1206c4022d852f428061474591cbda
7. 0xc9da526cf7563f8f2092d868f0c5f659fdd6edb271eb02148e1f84761a9e6c90
8. 0x4e149ff77d0a1f99b495d040116b75ef036d3141b82c17b197ec0ec651afb989
9. 0x331a5f591ff73b01e860ea6a6d4d5798f5ca7b102ea58b5f8545e67f4dff362a
10. 0xf634748e2cd353944790edd2212568eb7bf49a6a57d7e6775ee9c61de5c7b107
11. 0x43ebaed516849138c1417647fbdc098bd3c162973ec1b4c9bca1b85182da6786
12. 0xaf351973db16489c0a2d6e59a25160fc2d66f8a425984250561a15d65ccc77aa
13. 0x0f18fdbad3fe8f4e9a62e25843b36753d6ed463a552cddc989b5a1e33f108566
14. 0xadb9e5d5e78a6ef642bc8b18b9f3dd14d6e5d20536651d3ce85fec62d35a6aba
15. 0x0bc8160b8c94aae791142fc9caa83c153cc73b339512089ee494d4e8e7094abe
16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1