Evidence row 56514

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://castle.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/castle/"
    ]
  ],
  "name": "Castle MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T22:35:01.154298Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T22:35:01.154298Z",
        "updatedAt": "2026-10-25T22:35:01.154298Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Investigate security events and manage the allow/deny lists an analyst acts on.",
      "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/castle",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://castle.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/castle",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Castle MCP by usefulapi",
      "version": "1.24.0",
      "websiteUrl": "https://usefulapi.io/castle/"
    }
  },
  "source": "mcp_registry",
  "summary": "Investigate security events and manage the allow/deny lists an analyst acts on."
}

What the leaf hashes

{"body":"942def4762624307e7bdaa8c659b8ea393b8e868c286ef3ed7992745b4e89bc1","id":56514,"kind":"listing","method":"baseline/1","observed_us":1793025440047504,"prev":null,"subject":"mcp_registry:io.usefulapi/castle","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xedb4cd5b3f99b054b7fdac7099337705c4283dc4ac80524c6e6c7aa74bb149cd
2. 0xae70cd981a1046e91db3bf8a4812e5191b8c5845faa05a97e651bef9b2a69716
3. 0x35bf7d0f417b92479a9b66af2e08fc2f0e68c116f29ad730130ccc719d3f48b6
4. 0x619beb2f194491fecf737f37cb7dcb56811ca51413aca17a0f7b6faa02d36d56
5. 0x397297f738f06dd52e4b4d47301e889019ebdc2823777f0c0b498dae396a4d2a
6. 0x7c50c2d2041924b876953caa7759bc7f733feea07979561836abcb593f1da941
7. 0x838cabccd1b90be0e17be66e9f22e30ae636877cf5405ad3125d4a80758f2b72
8. 0xfb8c5e36120f87aa3f5425a1b27a5427eabdce2f16cea56c596777f88e28c3ea
9. 0x4cc08aa0b103816b716dbfd4162913cdd08acd1ca88250db632eb0e3588b2612
10. 0x9eb304055a5a524056b573ca929d5e519ae84a141ec48926edcd8c247e89da60
11. 0x31325ab4dbdfc029b65672f927dfb6f0b046d1c4c19b63eb548ad58c295af08c
12. 0xe158f09cdbfb4f7be1bfd45fce3afcad32c2b3bb2fc2e181dadc193bbf194bfc
13. 0x746e9e5b6765727b6b96f41204cc115b0302259f6c67be0cf0efbf245601d500
14. 0x614d844c9e0509d9f9e63697aa2935555bce5f13695a8dc0047aa9e9898d70b3
15. 0x95657a7d540ed6cac0bde9995782333b2562a9a6641853269ac95148827410f0
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae