Evidence row 2546540

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": "2026-11-03T07:15:35.688249Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:35.688249Z",
        "updatedAt": "2026-11-03T07:15:35.688249Z"
      }
    },
    "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": "1.34.1",
      "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":"3b7654ee2a8daca5ce85feb63181ade7f8b08df6ed9ffd1b8d9926e4dcfc5de2","id":2546540,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690348503281,"prev":2130310,"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 2026-11-03 (425475 rows).

1. 0xdd7131c2ed7ebc18b642ab293189cd0306e792a883b98c978393ff4f2b64cfe3
2. 0x80ef8befc80aaad46bd86c7d8bd00e6878783bf2b5d9e9979f085cdb788e3560
3. 0x940d7ab986c074e96be8c37aa5ae1c12dce936363b19bc8e188abbf64639b2e0
4. 0xf8904f14bcfb6e9f2cd5f0fc57ef01fc201dd579b799a9dfac9665cbdfb62d83
5. 0x3a06c3cbcbfcc9442026788319dca5a16c6b717ea68beb91c574619250036694
6. 0xfaf9545817268f2e00e961934ca8534a5fb44d2f9b981ec71476e4b520c15312
7. 0x2b84421464adebf9fedcbfa8823345ec94eed28518fa62363628fde3ec4850d0
8. 0x31a33024581f6bb5e677f6186cab63ef3abfd9d0ceda4d7e634df3c452ad0e0c
9. 0x1d80ac03d3b39c168a17566ee7be27b272637325bf7f16cf484f1ab3b310a9c5
10. 0x6885941e3e3b26081776eed88656a583076c670e20f90db423d29cbe8032ed49
11. 0x9cf52896e51759f0cb0df15622d36d543c10649f8a92c38e4ecfd6f5e0e68ad2
12. 0x4ddd25ef21cd5cb7bdfdcf0d2d550f71290c54d3133ba104829ef1cb10fe46b1
13. 0xce6f344e5d2ebbe9a3ab4bb64d1eeeca122b42bf3c2bf88ced9f78e1da0b926b
14. 0x2c1baf03ae8564ef5b628cdba2345355f8a5380a741795df06515892893be4e0
15. 0xa2affd8bf947cfbdf7d8306e1c5d3a442dbd709fab2739124e1aecfdc7d513da
16. 0x68c6b9053bb76224fd0e15585b411d440e30609e5a4fb17301a7d24e9b177e60
17. 0x7075a090980aecb33e9c15c829cb40f5b44385b6d91a159042263db068126b87
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7