Evidence row 3987195

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://telegram.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/telegram/"
    ]
  ],
  "name": "Telegram MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T21:56:41.845288Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:56:41.845288Z",
        "updatedAt": "2026-11-07T21:56:41.845288Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read chats and members; send, edit and delete messages with a bot in Telegram.",
      "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/telegram",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://telegram.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/telegram",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Telegram MCP by usefulapi",
      "version": "1.3.5",
      "websiteUrl": "https://usefulapi.io/telegram/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read chats and members; send, edit and delete messages with a bot in Telegram."
}

What the leaf hashes

{"body":"65af16441e7d21d82b0741faa41919d73c4728de94828219854c495be6999bdd","id":3987195,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090328560517,"prev":3958415,"subject":"mcp_registry:io.usefulapi/telegram","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. 0x8150d43c2231cf45e90eb4b5b68988caa61813c4882cd1110f4cde54fdf3d538
2. 0xf7da5ad91ab7d415ee655058876a8ebbc8db5250b24dd99f1440029b632a7244
3. 0xac92c1e7439f51a276292bd7f4118c899f680d05534143ee8d7e956884b8488a
4. 0x38aeed98567e7b373ac3f19a3253b4a55ff6d7228c1e82bc335e54b4d7f41502
5. 0xbb7f4950f5daa73e15f76ba49d30ee07a1e9570f03490b2a16730a862bcee393
6. 0x3fd8ca44e54da757ce28ca6770fa10e7da30d0c440798c8c4eb91a8c050184a4
7. 0x8ba797cf3049791c16c9af1eaa9fd02901342dd9dbe7effe26ead1da7e4744ce
8. 0xa47f1c857da3e7b758f67c4a39fd755317b57de507a5f2b72daf9caebf390ada
9. 0xb8b17ac67dd70aa3ab9fc5d09b38e936ea10e1371fd985f79361fd7612ae047a
10. 0x1f65c2d69d98dfa8bd99934513cb20c64b4edc3e8f96069ce2fa819a4587e148
11. 0xfde1d041098deb9b7cb3c132bd4dffd660729a43adefc052c95ff2d81e41b803
12. 0x232122c25cd89f8c76bc5c2db531c53b5bd120d3c2f914915fb79f06af74c341
13. 0x3ef092fbd121e3af531992cb738dc4948b5ffdbd7d684f463e2121ea5c8418df
14. 0x12c0a392774b845f910669768178b834bb75c37650d35b673c7a7e05ebd31c5b
15. 0xd41994358bb34b15f062df47abfbb736ac4887eb6ef21ce32a5d581e6ae47e6e
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa