Evidence row 3945253

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": "2026-11-07T09:16:36.27699Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:16:36.27699Z",
        "updatedAt": "2026-11-07T09:16:36.27699Z"
      }
    },
    "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": "1.36.3",
      "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":"515f4fd33465da9f06ce273192e97b28ebec872f8ff070caf3488aa1cc63eca6","id":3945253,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043456516451,"prev":3775274,"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. 0xaaaeb55b36b3fe94f0183c5483c6707cf90767881afe12494a5995635ef109be
2. 0x837b9763fc4660413253a81a968e96ee17500138ad5abb616254cb1349b0f428
3. 0xea62672b8eb6bdef2a87be0deb4f0f043ac1ec5e013533d3c7ab3219b9a606b4
4. 0x1a550e38c35a2a58a4b937cf032417c9da14a7df5c4ced734d4a430cda3ecca2
5. 0x9ee535822be2b60924a55c1d9d7e6729e963e3df104233aa9adfcb2d0eaaac76
6. 0x07e8ae03ed0cb4f9df7e81d881867eeba643a707f49ebd814d8039ceef9be826
7. 0x658fd3111647426680b81e33d38eefe8265e6d921f45ea18926736ba46f97fef
8. 0xacb020824454f328b7c9c9bda2e312865e2b145aad2400e49f0898748b9dcd3c
9. 0x0f59bc841980742cd61d7554b0875b2a9158fa3c3bba92db85ece6d82c020c52
10. 0x3f4eae38ba6dc5a0de49f84e3c040a2e7793104fee4f25ceda33e370c42de990
11. 0x37f59e8ddb399a3a49ae13c157e72566b1b931fef1c990f22809685938615a86
12. 0x04d404be960e661e3b808d66f7847fa37fe75f29447898e38910bc666df79ba0
13. 0xad78c00a716aabee544cc17bea66208d0f22b828b84f51b9fc6f8227d10367cc
14. 0x48aed00eefc8f84d1248774dbdfabcbf6a8a32d07ba72d541c50e091461df992
15. 0xd43f13f6774b4e9adf7a95c9811fb4fe9b9256ca73bc6f20577cb4cb147ba0eb
16. 0x39ddab61a3a1eeffcb2f54acf6ff87eaec375674f3e77f00c342826d4e1bf071
17. 0x3b69f6d98c91b21287021db092e52491474f0d08438393ac130d6a3c273bcd4a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa