Evidence row 3396064

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": "2026-11-05T11:40:55.12951Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:40:55.12951Z",
        "updatedAt": "2026-11-05T11:40:55.12951Z"
      }
    },
    "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": "1.35.2",
      "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":"27491186a51d57454fcfdcedd610dcc0a5595c47db053b38feb91333429494e2","id":3396064,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881289173572,"prev":2726499,"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 2026-11-05 (322504 rows).

1. 0x521f63e29cd0efbe2c5e85046453410157f9f8f8defc21010576d6bf99d51816
2. 0x82fafacebed39661152d749b098f1776f9ad27d3cb9fee33180a42eb6c3703bb
3. 0x8f1639a48343e1ca147796a68ffd56ce7ef58a8a17af930acba6b66cc1db7ea3
4. 0xa35dc2eedff2aaf6260d455ff0b04f3500f0856c992e0fc415bd07e7422f8d5a
5. 0x6cccf2c68517bf34b084e04b1e850b74092ea7800d90419dbf5d0001e041df96
6. 0x8600b05284ddd8ffcb3b31b8ecaab64eb5a021653ff5c51bac50e4d633bfb03a
7. 0x7f7265dcf355ff1868dba7a4290b887a8e33b172a8e6de3de20f10f55dd5ae8e
8. 0x26ad154e37cab263ae8a3dda3c0404a5276659d061d7ff8e9a12bdec9e28e48f
9. 0xe4092749da45966b12fcc6f00ddf3e3c7e74ffa84669b6032d370b69aca6ff24
10. 0x0fccd6dc680723ed39ac0ad3e60d703c0288f68c84a17af6e5ba07a0ad931d1a
11. 0xe964bd9a205d792aad43a3557d31ebf7a6884bc507beb064a4d06b7c0584b18b
12. 0x1583fd67b8e3b1d8876304f232270c77647f41936a37024d54488f675538a2f3
13. 0xff04f88f01db14dd3ab75ae4ad845f5913e27709edbc0eb6237c5c128a69b491
14. 0xc7c9a02b10652443317f29964cb3f80c8edb43f84b67644463046121ae250d1c
15. 0x20ca3add72ff47f6497449b7ee3adf1c6f2cdbedf8b5a49a56da543bf096a5fe
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94