Evidence row 3986714

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": "2026-11-07T21:53:49.281024Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:53:49.281024Z",
        "updatedAt": "2026-11-07T21:53:49.281024Z"
      }
    },
    "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": "1.36.5",
      "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":"3c12f58cbf8a7e799cd8d55d83698dd4053567e0c50e5d1374ddd7445a1d81a5","id":3986714,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090324930725,"prev":3957949,"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. 0xda5f42458b4b928c408f7057cb17114a6b57290a1cec0aae8c55a418c6d552ee
2. 0x5e8432e34963f0155958693d9f2acd6ef7158846632c9d3ad86465db7c7c58ed
3. 0xfea843fcb1b2d2cde0bd44ce50633064e67235b4b9088bbcafbe96d985b16bd8
4. 0x7271587f57d8f5ca9d21ced0d52d8c73c799a0c81961da1d7272a544836c26f2
5. 0x06b6bc9ff898b370f617c53f295ee543ce1ccaac573463c0f8435e07487a0c12
6. 0xc165d22eaa2bf761f4ebdea7326b42888243ff964c86d35670500630071ce483
7. 0xee122857348c21f4b620eb6fd588d4efb356e62f3c730a55ec1e7005ebe74baa
8. 0x7ced5d427d0ac0f7cc771a7bc345b2a8cb8f391f9e9c14e8fb4e46e0c22b6567
9. 0xf2709fff6ff254c63417e3c6b593f8d16656c4daff69410029bb3f2268bb6304
10. 0xde9cad312dae51cd9e72b15f39810faf4e60cda3376b1cf6def95a47658e5905
11. 0x92f2de05bd7b368bbc6381da94362aea852782b8811a8b5498a939a5504821de
12. 0xbe33bd3a106c17e8042f576df743bc242e582f73b4e2df6f2afd2bc307735fda
13. 0x2abee5cc2449d0534a0f1ee669689c2cb7262d9dc52b74da342ef6f6647086bc
14. 0xa85af57238155e426a15f5f27df56aaddfc89a16bf2e3139744666b96fc3c226
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa