Evidence row 800795

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": "2026-10-28T20:04:47.955164Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:04:47.955164Z",
        "updatedAt": "2026-10-28T20:04:47.955164Z"
      }
    },
    "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": "1.27.0",
      "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":"4cff524dafc072ff0b4aafa4be88f164358781da98f71136106b15738ca450b4","id":800795,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218352110272,"prev":795774,"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 2026-10-28 (231336 rows).

1. 0x485fb63939e1640bc2ef3027576c389322b73e421e66b2e6bdac3a1244468ab0
2. 0xdc0f253b3d8e8445ed6816c82294933e836175668de979382800b3d035c84bfb
3. 0x984eefb5ebaffadb60bfa5cf6342e3f1e91a17544ac6bd4427e222f0fe7cc020
4. 0x3f1cff7897a6a7bb453602f96b6c65f2f4f3c46c9b49f07d2a44cc274148af8f
5. 0xfaf984ef1f7692b403434a61969e5501e9f0168e8755ae71d050fb3723cfdb35
6. 0x5bcb5c58266974e91ee064b1f1a50478f6db0e16a7ba3bed644feab9eb482a31
7. 0x5c0b926cd73363b8cc99f0b0647b391295d22a150117d4ab3aaa152c1a3965cc
8. 0x06067674e0c2947354a020550422cd922121fbb34c3d0b40f7da42cbc5104f39
9. 0xb22d7fb65345c7a2ed69f34b6d2f3cb038ea2dfda5dac33358765191738c1f53
10. 0xdf9790cdd7b1a01c28161ace730feaacf5a2c5d4d101acac2b2643bf49eb6237
11. 0x9a5d30e2bd0cee01053a6a5d234560722f40b7a304fcf8e3badabba262faef61
12. 0x5f67b3565db57faf07222a10e76878bb9a3ff1018ee527ee52e480086593829f
13. 0x61139ad7d606f7313043f7df1dce650b88fec9b3f4115099388cfb12e3b2c33d
14. 0xb8468b110fdd4b1ba83cf25249a313b6361839956c4e0f61b3f3edfce5fe58d8
15. 0x91690f98682e078d41b8b72edeaea70473545a876fc3baa645fc988225096386
16. 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae