Evidence row 1005225

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": "2026-10-29T07:45:22.64963Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T07:45:22.64963Z",
        "updatedAt": "2026-10-29T07:45:22.64963Z"
      }
    },
    "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": "1.28.0",
      "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":"cfc5d5ce3bcf74b8b7fe802e7f97ab9b0cbc6b93cfcf1ed4db166d4fc4e8fd9b","id":1005225,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793261578773755,"prev":800633,"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 2026-10-29 (242798 rows).

1. 0x6da19410dffa00b86adb6a75774d868f60b375deb0052c34347ee2356037e603
2. 0xf1b4b5f93629642d442114bf0d0ce755db89e9955948a809daf86bd9a6f5bd1b
3. 0xcaf031d9debfd71205aee5a5d3df7dee4b6a235c6638f5c655fcb43bd48dc070
4. 0x1123b1c22f8ec4ed98bbf8ddccfcb1fdd694989eae178f11e3d9c553ca2abc54
5. 0xea83a6b387b5938acae367b6676a451087f2b7c84a168fe669bc19c18c32861d
6. 0xd67671104cf138ee3ade2ffb90a905f1d15af6492a3c70663374ba8bfa808661
7. 0xf193ed62aeed24ab4dde3260e9a7f1af63a46d173e0f079c8b00231ddf209a5b
8. 0x679c6115ea151dc75badd57bc6f1b5aa684644cc7425d3b6df4767a86bfd57be
9. 0x3218da3c8167bb507018afd6e18ae7f0f3ec670aa4ececf7e9a3b7be959ae81e
10. 0x668faae572706c09c77ffbd889a081634f864f41d225872197521323537f4c3a
11. 0x2fcc11c60ac6524d1306edd7fdd42a4b4d1bf71960f92b33192206b74e4351f9
12. 0x05fa5be9c2a66f331311f6f4dd73676013e74546ee5507619f9677a0ae066d84
13. 0x5e082ba4c95cbcfbd572fafcdfd31d533e69877dbf53c456d3c5b2f727f18ffe
14. 0xec2e740df411d32a080c5e65c8b0ca511ad665b213532cee58525a97aebd2893
15. 0x60b5befbd81f025904c8a3936b7ba86e3245ad5b37c615d01d42aa3227e3ed2e
16. 0xe2d603cd6f987214550319ad4fa39952b6098bc5c1b20893b6b80e8d82a79934
17. 0x91f12a2db1e2c1be07cbe4de3981a37a33051a36d3c3eee5a260804add6d1d75
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1