Evidence row 1249547

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": "2026-10-30T12:20:49.245372Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:20:49.245372Z",
        "updatedAt": "2026-10-30T12:20:49.245372Z"
      }
    },
    "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": "1.29.1",
      "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":"90290d046edd6eee94deee6b8e8ca7836f320eb10eee7c452cc96493ef6cbf60","id":1249547,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366121961413,"prev":1025606,"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 2026-10-30 (243099 rows).

1. 0x4686ec38f0bc5eefccf6035c20f672166a53d45c5281af1d2bccbd4a90edaf61
2. 0x5823f9ffc46ed8a8c20d1b1f4896b8f0c5a1ce8b73b95ddd1f418cb8de4c8640
3. 0xfbffa50a727ad3935fa8f4ef364d3f1e6a97b412e49c11a747ace9381aea6939
4. 0x033c26fd51ed638ace8f2bb7c30a987da2599c61b7d5fc39b714ed13596b4940
5. 0x7019272629c989ab0475f79d9a06669cc2e130c3cf1f8bd4cac8b19cdd4be00b
6. 0x634eca07eec49805f338f0e30d5caf4a58344cc296364b7b2af1742c2e9b40b5
7. 0xaf1b139bd5e2443a93048383184e41524109185cf69df51a6d51964ff426edc2
8. 0x84f07b4cde2aa7411daf9ab3bd414dffc4e11f91809667aa5db2c3f14d34e5b1
9. 0xd2a5cc29462c2e2fa030e6d1699f5d14b2995c74ec7b11d54b854aafae6e5710
10. 0x606c1c8b08ed26b9e5e0306d440ffb3c6b10f1024fd72e0359fdb11289d9f792
11. 0xa4d6b7840317e961c9d4f6ce8699df48acdc116a6a9c09392796f9c75a95727c
12. 0x2661bf6c2d2490ba443dba9bc41ceec4c1ad9c0ebb611a3f1f8d8d60a05175d8
13. 0x0b8a485e6ab0668fbad8011e734741b720cdbb463970428343e7f73238a809f9
14. 0x9ace81ddbf101c81e3033efcaf62a4f4ad2b7dc0b97b61a7adf81117108ff2f7
15. 0xa937fac4496d1d79e24c5f12abd33388ef710185b9d82165d4b39af6bd434545
16. 0x910a91495535ac1a9e959d27d607e185616d2d41b45bc7071c6357f426f372d8
17. 0xffe660edb9e5c6e3449a49454634c3e7b2f9fe703e5697f723b021735647ab7e
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861