Evidence row 1025606

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": "2026-10-29T12:34:11.8646Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T12:34:11.8646Z",
        "updatedAt": "2026-10-29T12:34:11.8646Z"
      }
    },
    "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": "1.29.0",
      "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":"b357fbd8465827b838fb8f7eafbd87754d384e7f3bf0612890a8bff13e61deb6","id":1025606,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793279589468105,"prev":1005292,"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 2026-10-29 (242798 rows).

1. 0x35917b3964c6219e60a241e63e40963cbf69a4107fb626302a5538f3883b85cb
2. 0xdd9cc472e1ad935401c81337b5b20ba47040b1abbc5c9a70574ce99cc241d89a
3. 0xd84f642d0e205bceadddb4ee5f7ca1d3f8a41813178735cb02d098106e8e8a14
4. 0x086dce279a9289208505ba3e76feb0d885c20fad17199030b2cffd66290d93b9
5. 0xcd0bb32a46820929ddec891dca200dcfdf9b2be999badb88f25dd10dd976ad64
6. 0xb65011bd532fa2cdb5974ac37f5d4103f482a41166a3f16940a038fa4a78ebca
7. 0x8d8a4d9d129cc193a7f3b9e0fc02efbd001c45430036bd47055ba05bd488302c
8. 0x60007c39dc205785cd120d0d7f54c432ae82d518f90107071735866fea9f5917
9. 0xd091f5f443c83a32c640e75eef58df7b57f8f54333c466c860bbef4cd085029a
10. 0x40e01b4f932a3330389c70c2e0a706d909e8b7c6f184b34fc2d85997c0412a3d
11. 0xf65ea9cb7a37d22b6a3774f49c50519e4f57536008975195f7b86bb75cebfb34
12. 0x2ad587e3384e978bb52616208c26d4841fe7a78fc51e02a38f38fa83b849b978
13. 0x809996646fa50ff3941cc94a2858e71348d102933af591ad4e5ca0614e67f0a4
14. 0x14b86aca7e0af6917fa29c5b89b8f3eab1f2340a671c3d06e6ac6a34fd3a07ee
15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1