Evidence row 795677

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": "2026-10-28T18:45:59.627314Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T18:45:59.627314Z",
        "updatedAt": "2026-10-28T18:45:59.627314Z"
      }
    },
    "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": "1.26.0",
      "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":"ca72a70fa46e1a9ee5487ba8f3016cb15472b092a635be2757a1aadd7a82b4cc","id":795677,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793214746701785,"prev":443071,"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 2026-10-28 (231336 rows).

1. 0xf4d5d4703fda8522a22c2d805fa5f23f440e735ce12d8258819b49857429e54e
2. 0x22ab339917b46a98350a3f2b0c140aa22ddae80f534d52b56260253fdaceb3f4
3. 0x0e48c8c32e8f5dca0907ba60abe927a2a94b2b3cf621fb71567fccddae05d97d
4. 0x9a92c21446eb7bb94471161aa7d6e04a8b85703c6fe1158c985a25d646b640cf
5. 0xdf532452f6f1ce81a5dec5608dd696f86498c2f0f69d4dd663fee8e65fc8c6ed
6. 0x269567c3e434a60c788b567f3bc6e01ed2056387e8394b993c28d801d7fcb494
7. 0xe06bd69d827107c9700e9c3711c8044867d93a048bdc8fd5f7966c02317fdbb8
8. 0x2b28fbe2918c291a9f1d5480dab448c46f3920840e552950984689d2b153dab8
9. 0xb060233ac0ccb6ab1de58017e93591b4302cd59654f9898bd0a5b53dff338001
10. 0xbdde3eadc72971a8ede46785c9ff14611e7b5e2bcd1a3a06a487708677034eb3
11. 0xfe0c265e9d44b7e5e53c5c08fce2496deadceff2e70c99f444200697a2e1f70f
12. 0xa89a794e9d78d6d0f6a02ae33432ffbce4feb90f5c68a18a04c66467fad79af2
13. 0x39568e4b66f4f298b6b05b4f12c8e6166de92e0449cb11e61f1e4113f17fbc82
14. 0xfb2274fa79452c1e494276a3ee3eadb7c66f76a08a80f6923416f3d591053e02
15. 0x33bfb51cb957137510d8a1502cd50241c4c0982e2741290f3b8f2d2b1e69de70
16. 0xef2ebd45f2cfd41dc3eb213cc4cc144c46b7e9ead2de0b9f627463bad16e3ec8
17. 0x67e9ff3e48c515135fcf3df2675aa4996d35d4a328ce41588ee1a7d93347c823
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae