Evidence row 3957949

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": "2026-11-07T18:02:55.925221Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:02:55.925221Z",
        "updatedAt": "2026-11-07T18:02:55.925221Z"
      }
    },
    "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": "1.36.4",
      "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":"7e6d35d95aa8c044c8b9357706749dd92d6c3cd2187dff48158dc8be441e0128","id":3957949,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075896272308,"prev":3945096,"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 2026-11-07 (195826 rows).

1. 0xbfe83647a76d2ad34794b300356fc68ae377991fa0160a66e13551bc0e174ebe
2. 0xa4c61dfa485b971a884033ad00d0bb19375829bd7bf4a4b41399747dfb397957
3. 0x3a7ee9bc3778828e637ee4cbe191db28e2a5f91698c098857cc34a207a2d812f
4. 0x8a2e775a92dc5c583e58dad2d3df0980f89b81b3a44b0a91145183723c0de27f
5. 0x1348585d222ce3548306f0e04fe759e63bbb91ef562012bcdf4ab526edb4ab2b
6. 0x6c8dae06c9df35016e652a25f6c26f606d2b53fd74e8fd80eb3861f26ca06165
7. 0xbb838206eee399421e65137558ffed03f8301a937990ef148dcf0e0c0fdc6305
8. 0x6b79bf7036c90bf1de0efe128ce3730710cd74f42d35c674f4f8d66712e8c99a
9. 0x37ae50633131b45dfad2631652614cbf1991c99e84edf80280ed2870d952abb5
10. 0xd70fadfcc3c40dc407da7b2c8991076bf094178c29841836f9067f89e91a6dfd
11. 0x36c5b3ee5e891cf1fc76af30ee991b9728fe93e4ad66bab082ae4fac86c7a1d1
12. 0x9f5f45a0cf6b6d16c0d7801faca5d304f239229e7e703d4bc0499c6f97f5ff22
13. 0x597bca2edd57bc2e06f826c348f71c9868f1f1c93c364b62962fa5d28f3bb182
14. 0x7720754cd1d565acdb28ae2e3c2e759562843c986908d08656bf4c41e785a347
15. 0x2afbeaef1e4de4b2a6d70326e3dc41f9f1c65d4fc46630d217fc932790b0680c
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa