Evidence row 1257640

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": "2026-10-30T15:15:50.645032Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T15:15:50.645032Z",
        "updatedAt": "2026-10-30T15:15:50.645032Z"
      }
    },
    "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": "1.29.2",
      "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":"8eed134194185022f12b13a14f70c4f40546508e3be249c54cb56aa12d8756e0","id":1257640,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793376929906752,"prev":1249653,"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 2026-10-30 (243099 rows).

1. 0xcce54fbe5b8f2f9e5505489181ed53fa14c316c5b87091de3b8ff14136c2ead5
2. 0xeb89a9c4e22caea801958adb3981c95debcb9d8116cc6b42194c69b00b5ea00b
3. 0x965c24330b2e8c50c0a1f02124a273e4193c9ebedfedecfc3640e6c648a26863
4. 0x39477083b629f5d2983483ac2286f4b244d4b7ce61533814ed1e8bc21c42451d
5. 0xdb716d2a54b741a35275c80fec43e47ca9ca0f78b8159eeef1fe3605052007cb
6. 0x68f5e8515e19916314261b6976801342296ebf0a3ebd8d5c9d9b3d88530997e8
7. 0x82e195d0e400243a518b5459cd33943bfe098f5516b126a37590cfbba69d5ebf
8. 0x2f2a4876ac9dcaef78542ffaa81207b003615eb266a5d0112386fe399a809ed7
9. 0x5c811955d04d90e5e98fab8b764c41dca7fca9673d4ea21da26d01e358b65fe1
10. 0x24648898b4cfdc2991c06c5d978dc21a27f51882096cadcd9944f4a6fe2248c3
11. 0xb8cda798ddeca8ecc55aef7f5f6d3c134cb1259dd5ac4fa8153dee66eb20b6f1
12. 0xf1b7c84572f14030fd833e96a295b52d84759ca8f204732612837e1dfa8a00ba
13. 0x7dd437c898d20229e76a7faab5e409af0e7e8225e640982d9bcc230f9c2ab2be
14. 0x7ac7cb68967f6959f2b6a4c2bd1261865c8bce61484defcaab7d55cd759f2223
15. 0x9fb4eebd924fd42d4eb61d55691812de0db9242fc9c0dabb65c4054447246797
16. 0x0c59b8770d2782eb535aefbb9b2f6810bab4757f51b37e00f5147713a1de9481
17. 0x61ef83255d34604cb052882568ca1d1386ac3cfb8284509715bc1734cff77831
18. 0x0c43c73b62a5d49ee1444b5dc4195fc5b16b141d3f4458e2e9fbd5fd6ecb367d

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861