Evidence row 1541336

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": "2026-10-31T21:44:01.830486Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:44:01.830486Z",
        "updatedAt": "2026-10-31T21:44:01.830486Z"
      }
    },
    "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": "1.33.0",
      "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":"1ab15f1a3cfa4c4c60f15d825310357a74454d21dd72eac554aee20771e6e08e","id":1541336,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793485023164540,"prev":1537924,"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 2026-10-31 (246033 rows).

1. 0x97cf3e19ff8b48275db62d8ba9a6c4a183e5e0d482be6bd8533f6bcb7b8f9ce9
2. 0x72e4bc10f09ad417f3443dcfa69347583a1b3839ef1a68a5718431e5314e1657
3. 0x0619d5cfc6c3e381ee866b0b29b0e00dacb4c1578f02b7be821c4635cb7fa1b9
4. 0x5d2e763f944de6155929ca1045ab3facee3e521556bbf33d5d80c367e7356a2b
5. 0xee4a80f084400113eb83004adce746ae60f7c0f31b3afd4c1c252ac560f64f89
6. 0xa0b5370c0c33c1919badad09ef7477ffa36e0d753bb4aa120c869e370daccdaa
7. 0x4cd0e1da2cee4feb8f93a45803ec4c9be0a360025870b7e9014ea594194c16e7
8. 0xf5acec4085885c835a2afe7646698f734d9f09ac7d18d0b2d73f3db89008f5c7
9. 0xccd27355a030478c9045e7072dfa85b70a36cc1acd2b9cf1e727249ecbfe9aeb
10. 0xbf20bd7d04a1c4f8b6cd94e38fc19be8ba37d926d092361b19fd7675728f29fe
11. 0xf970358cc9fa24d17a1bc4e0e0170a72408c96e2530ff90f22661d4170e7c95c
12. 0xbc50c1208732cc705109df693b6a627d9ef359d44d0b10015819e60a66c4c9d0
13. 0xbd3397f20533ca2db4a1c997fdbb756c45bf8be5aaf398014d4bb8d0c9c9b21a
14. 0x4703be8cc879d73c92037a4dad5a432848a2483b2cd09dba8d5baecb22a1919b
15. 0x91bc1c2b25f148b9b56bf377304983d0f2e68d0d8c3f65c9aaa8adb083331d11
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0