Evidence row 2546387

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": "2026-11-03T07:15:34.737258Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:34.737258Z",
        "updatedAt": "2026-11-03T07:15:34.737258Z"
      }
    },
    "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": "1.34.1",
      "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":"a5849b191087b4ab08584b38ae2b4c965d1e964085a5d53ce101d327ed8c8ec0","id":2546387,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690346478584,"prev":2130158,"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 2026-11-03 (425475 rows).

1. 0x7702b05294d752d478ab08a1eba1f5d14e032663f284fa8212fe9f2554195244
2. 0x441c16fb8350abf212bf3c5fa38edf5a734cc6e3cf82f703ef5ae5c70eb59088
3. 0x31b6fb3f549d71b8202d7df7473422c9394b0952a1b8ec0e4a5aaea72f746943
4. 0xae01d17b2c3be23c4c517ee8242e158c6424c7e8e9eee1d207d0a9cfd52a5448
5. 0x566e44b803428a7a2f97a446c5267ec1af7e8cc1e876152c7625bbde3b80e0bb
6. 0x25e76dbcb5c8dcb56e6b35c2b12a1c0668c172c61456c0a919a99a413a3e1166
7. 0x22cab88fee50df8dffdd50e55986d76253491371390b671ec9ef3c91640b12e0
8. 0x2a0cd38dacb34ed3693053b70356a61b08c49753108943bc437e0a48338e540b
9. 0xb3153853c31c38fad94dec6da38d3916768350dc5a82b12db709df5ea4b0ed6b
10. 0x105f555a3646cf02c9c442b3196337c8740841e1cc2b9479417f07406b2bed12
11. 0x2237820292b5d42b49bc8892b4ae7aaee2b10d6b1e2e3f5e1d5d052e7293203f
12. 0x113a721b5ab2af9dceb537299d64b98b1f2c69372877c5da971b3d334972d9ef
13. 0x276dacad1f390f5977f95336e789bde7e7fd04ac932e79c2603c87496f39bf4c
14. 0x6fb225dda71b00192a48c85a4e8ab2a5f155e0c847774dbc1bfddf59a34912c3
15. 0x273fa0d1dba912fbac313286feadbb113b263290d047849b0ea460936942f2af
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7