Evidence row 3945096

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": "2026-11-07T09:16:31.454339Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:16:31.454339Z",
        "updatedAt": "2026-11-07T09:16:31.454339Z"
      }
    },
    "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": "1.36.3",
      "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":"6910b4926c5f643e3e4af12692e31eee509872364658842efd3a1e913fb95d21","id":3945096,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043454894071,"prev":3775116,"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. 0x83b5f01fac471fa0eb4e0a1dc810b83ff19304830059a7081c99649597ffbf4c
2. 0xa41d1dfc673252f8435cdce1d8dc8ad8d92bd3e2843bedecb67d7abc3d4e3fda
3. 0x62437a35c1799022e61a01ae4d710ba343c9476761f6d364c72133f8c3af8ed8
4. 0x8e63d0ca0f0326caaa8f135d106834509096df5cc1149c7e07a7e68f8077bc12
5. 0xed38680f0a2288cf55d148103909a59bd0dc623a5c461831c85449f2f5722f4c
6. 0x0937a720bbb98d7e65956e9f02918deeacee73b3cc7947d7436f4a23ac02ac06
7. 0x4259c08fa3e5068b8faa70c1e38ba7f932c748b076432b5d25834ae00007a00d
8. 0x4de764e4595ceb75ef3b3a18935bee37a1650d22c0009ea1a040779e9f70b0a8
9. 0xc3bfe8d5b0114c1669b6960b054b0c8db43385267dc82215363b1c884fc543ee
10. 0xbd1f33cbdec792060796ad84999f633b15685e088bbf6c9d7aa38d8a10b08534
11. 0xca0147915c6fc54c817898095488a4852d53e120037e4afe84632afdee062558
12. 0xec46e5fd3e91ea008a02cba6947827f750edb19316f941441b05f11b9f5b8a7d
13. 0x3ef092fbd121e3af531992cb738dc4948b5ffdbd7d684f463e2121ea5c8418df
14. 0x12c0a392774b845f910669768178b834bb75c37650d35b673c7a7e05ebd31c5b
15. 0xd41994358bb34b15f062df47abfbb736ac4887eb6ef21ce32a5d581e6ae47e6e
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa