Evidence row 443166

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": "2026-10-27T08:34:50.570209Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:34:50.570209Z",
        "updatedAt": "2026-10-27T08:34:50.570209Z"
      }
    },
    "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": "1.25.0",
      "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":"d46b9cbd05fb78a94909af537a1babd048a3e4b35f75ba7f86eac2b09da1a2b0","id":443166,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093258420059,"prev":56674,"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 2026-10-27 (273461 rows).

1. 0x70912e2ef92371a74a4b3ecb6c1246a333cda93a6da15615c8d0c07a7e75f681
2. 0xf89c140d723a330e54c8a3feef7e4ae8416adee708b2954055dd9e0def91c905
3. 0x4b660b535f36f7999a2977ac804fd9919300baa83dbd6ffcd88653accdfe7846
4. 0x7c76d82623d5f5042765f3b336eaed74717102e2677e1ea9121d47d9f1a383ad
5. 0x7a04895e21f62e0cec76c3083963706c2abe8b2a2df2fb7aae5cf5e88b902017
6. 0x1658cff3df4499f63b29903f32a3598c5e518e52ea81e55a68d8c7dd987077b8
7. 0x087d6f2644a1980f4b67e47609a4bc8aa13e3f7af89b5aeabb3466e809e9b865
8. 0xd875571d6424b954d6e28274c6b6459371d2d50047aad7a36b7998614fa0e6a3
9. 0x53d044ff5626c758395477a061307f39f8c64d294fbb83df00e5ffba284e72b7
10. 0x02b55bab59340b62675e0dca5f5a37860557b1384e60340fe5afdef2a3f65d9f
11. 0x95c0df7fc0477722ad83a4634b422a1cfaabb7e80a9eb5e4018684b65fb2f9b6
12. 0x4150865dc22c5026ab3aaed78166c00f6d1d55d60deb27596b675ffe296e1e81
13. 0x2926e99aefa0ff2e14a67a3ae10a7f6e753ce4b799c6fe531f8cbf8d33b31a66
14. 0xb2ae53d841a55a805fb4078b1a7d44e08a81aba4be3690bac3a5b4c366bf39da
15. 0x275720ecabb68df33eee92ae4fd70572a8d952d6c61c061c2869cfc3217aa5c5
16. 0x23cf9bb4337ee8be7fcae368fd69d24c62c11fb45882127b4cd919bb96a19996
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4