Evidence row 3414160

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": "2026-11-05T13:37:34.148143Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:37:34.148143Z",
        "updatedAt": "2026-11-05T13:37:34.148143Z"
      }
    },
    "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": "1.35.3",
      "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":"e1b932d0880e46eb994ee6587317c8b5f8ddaa5e59b60d9df1db5181cb682e2c","id":3414160,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888496254565,"prev":3395910,"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 2026-11-05 (322504 rows).

1. 0xbf1371027eb21c9c090b5c45ebdf961d6f38710e9db04f303633afcaf15872d4
2. 0xc8f87b1546dbbd2819ae8d688a4f357b3b69c1ac94640d5093a591e4f93fea42
3. 0xba4208579a7a43ed6ef35e20ef771712b30ef535a21ef830602f5a7e5b91c3a0
4. 0x0528aae8931c9d7924a6d8365cd632d9fa5b9951e36f23463c939b50ecf6f948
5. 0xb1e99593cdb1240fbc4dfe7db9ece2c389084eaab43ce9d05ff0aa523a859852
6. 0xd11fc9714a0802e77f2070df42afde19711b1e80512ffeb728296d26ed99344d
7. 0x8446bf379f0b9dbe363370702f61a962d82ed61d8b3869e1d68834807b159641
8. 0x67bb2e1d77fa8629e3a5b2ec1b0b345e4ba91a1f85d942c77b1fa4958cd5674a
9. 0x868bab10fb033da5847d6d38608dec964b5692a607c3ea7f5b2a8defead99780
10. 0x02e625da95bfa04bbdd68089edf85b2483e48cb7c7a43a15d77299fe4809649b
11. 0xcf489f759a1f6485036e7a6205ee775ef02b91f8fb05b53611ce5428c2836bf7
12. 0x68fa8a360833acd31855f6f46f3c4f0e5a9c24a0b942bd75369b4b5ca085fe02
13. 0x0094125755cf4d53859179bd3542321fe895e3ac40c3c2ffe5b2c3139ea38467
14. 0x876741791494e92b6f75db13043598085795215fa5ba6b39a6d004eb9c7632fa
15. 0xbce07c8bedec3bbed9a22d7f4e8aca180f479ed562779a14791c5e82f052e9c8
16. 0x308711d37f87ac2fb79802c45aba249411861d2d093068d1718f039b506d2a02
17. 0x25f3843b1f8d3ded906cf440101c0137d8f897b0b72f946f0d5bc12c3da6b136
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94