Evidence row 1249653

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://knack.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/knack/"
    ]
  ],
  "name": "Knack MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-30T12:20:49.959811Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:20:49.959811Z",
        "updatedAt": "2026-10-30T12:20:49.959811Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read, create, update and delete records; inspect objects, fields and schema in your Knack database.",
      "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/knack",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://knack.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/knack",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Knack MCP by usefulapi",
      "version": "1.29.1",
      "websiteUrl": "https://usefulapi.io/knack/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read, create, update and delete records; inspect objects, fields and schema in your Knack database."
}

What the leaf hashes

{"body":"f0e730b121f182a0c61f3998f64696223b5a155a798da46c623ca376317cb2d2","id":1249653,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366122537021,"prev":1025705,"subject":"mcp_registry:io.usefulapi/knack","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-30 (243099 rows).

1. 0x288caa748a7039c2a819650fc50e6e3d48d784b37d5062467c5f67ae51477620
2. 0x8bd7ae281f589d066f99edd36be19a3190ecc88bbe2f40b789d179270f211048
3. 0x1ac849f1529bc8cd2ae15312a10c99b09a5a7dcc847b478a91c5ca5e7e787138
4. 0xbd7674db75d876537933d1ce5a670f7c647ec38e9ab69b9ffe036d5be57eab01
5. 0xa544dc52e4ba202ac7c4b8b0e63a96a5e767ebd0bdccce1b957f79360ff6895e
6. 0xe5874d80bd94a0474de3d26684e65fc4d1d939d1a3d43f0a44b100e9cb036552
7. 0x6bed206d10ee92def9f8792c22db515d92bd202ca2c82e4560795dd84e361e02
8. 0x20a351c3b868158df645733b1dc9c3b377fd2f039dfe653cc2bca3732410ad57
9. 0x5101084dc976ebdf77086857417ca6db1c0b7ee9f876a4e1c9446328a6f872c5
10. 0x29219e740d930cc124dd656f3bab27f7890fae0f0788708b2bc7f8c392e9815a
11. 0x1ec6d3f16c61bf8682521b421fa58ac748ccadd2f7b0df0677af8226679994b8
12. 0x724043eea07573125acd51c025da9f0d266d56f4633f715496f52e42e3ea1f14
13. 0x1b9ae6ba8c6cfebe04f9f15a001e19b02d6df77245227331ce13f353b617efcb
14. 0x9f9779dc68f693114863e0dec3d1a44dc50e81c34bd4122e25a6a644a5c619bc
15. 0x6222037db785cc797fc8809e52e551d945c928d389b7ac947c037fb9af818562
16. 0x50ca74d7c8f26a46e9c3b8fb5e7f9ebcdfdcc1b7c863db3b6d2b7c12e24ca66f
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861