Evidence row 2726809

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": "2026-11-03T22:30:50.503139Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:30:50.503139Z",
        "updatedAt": "2026-11-03T22:30:50.503139Z"
      }
    },
    "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": "1.2.1",
      "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":"d2b27ff126b14ba2e6957447ae325ee3ad7dfb28ea307e915b116d7e91b00bad","id":2726809,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747995084784,"prev":2564955,"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 2026-11-03 (425475 rows).

1. 0xaf31df093cb358eeaca963b41877e3c37fbb681131640edd49c1f8bafca0bcd8
2. 0xcd5c37b66b9d9a92753a46599b30b5e3116baff21c54124167a2d2aec4ea9ada
3. 0x1e8f96451fad74e33527aa66d60b3d43efa01e5fc4e0a42b959902555b8afafe
4. 0xb09626d41e61a1c0be784d6ddc681bb6c6aae08a8ef2fe8881a0d637395d5242
5. 0x7139772dca1fd8470a286460483531afe1adb89c9c12c47578d3f6591f9a1f73
6. 0x8b7c89f526d24552ffc57e4b2fa5c362ca1c2c6fe88ef5e2413df75d978a3a1a
7. 0x5b5d076bb1d592925e0f6d50355db3ffdcf41d044d63aff393b9632a74984f89
8. 0x3c3dee4333a023e6ef9dc71bd56bdcbb54342334e4ed9335d5a3c578ea14bd08
9. 0xb6eea1a589eaa868c2dc117ad2da39cea9ecbd9cbbc693b9f9e81110bc6b2ac5
10. 0x671e3dc593c6385cc8956d46d30a2c0794667bbfda05f186d816b2d3bbf8577d
11. 0x144347167b2284f85e885743d9d6e9b760b5dba5d7646ac6b040a37d32a0e9b9
12. 0xe76f791089ba448cf5c37346afb8fe5ee2f3f91391fde676597825bbe36679a0
13. 0xe77cb660ad4fc9cdf06388820598606d0cfed52a41772cd9d2f56246f2635e96
14. 0x11934b37b54663f98169a4c48cc2b0a60fa4a3c4018d1ce3e508ac01ae614249
15. 0xa538822e863ef8366c4eb66bf75faf8a639aa1f066f65f7444fa54d54d48ec53
16. 0xdbc1c0882584cff2eba84dcd18af41b5fd070127c962a21b00db1ec3e352cc94
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7