Evidence row 3958102

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": "2026-11-07T18:03:03.116564Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:03:03.116564Z",
        "updatedAt": "2026-11-07T18:03:03.116564Z"
      }
    },
    "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": "1.36.4",
      "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":"4d74b5a7a06bafc59af5446069897ba0e0cef246158e2a4004a7053205290027","id":3958102,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075899255284,"prev":3945253,"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 2026-11-07 (195826 rows).

1. 0x064c798b14f1dd4271700edb53177dea66b6957c61bbe7ad75745709ec408408
2. 0xbbb525b63149b5950f0e8f0c80fe9cf003e65b192833f0b19ae74539dffde5ee
3. 0x0e42adabeb63cfe3271ee17d0aaebf14e1e25f67f6704bb540c0719225f2c70b
4. 0x96dbfd9d6e89366c4ea285ad773364df894988afd26a2df5967996ada58d9d7b
5. 0x43b68c4cd02c4e981f349901bf61cc3f77085e0348e6a20b63aa289338d9bbaa
6. 0x7f8c66a6cfa781c69d1742a0cf94010ec2ad68942fe1e2568eff54cf014809b7
7. 0x7934fa884b6338bc0822a77b2998ba6a2ee4731700eda76237db113422f30908
8. 0x4632475db6f468a0dc5fd7ce1da633e06ffb8fb0af1b7e2eaf80c4b46cebc513
9. 0x3c0a82dcd394ee1666444edd7a2aef25b945d9806329c4938043eee8cba0457e
10. 0xb1accf8e1ad7cd4707a069bdb10747853c6c3f102666f94f026db8550c0cfef5
11. 0x77e2981ce18423d9c5f1b735447dae48e5708ba2b309647382cff5f8356cff98
12. 0x9a85ec52a21fe45012d29a90de2b68e4c9d2555bcdfeff1045579d45b3f28073
13. 0xcc8237523b2d5a08c4c820f7a8440fa8b577f989896eb892cba06931cc847cd2
14. 0x144e6f529cb7231bff37cd4bad2e3530f3ad930f9de9c48c0f73680bc7f17d30
15. 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa