Evidence row 1500225

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": "2026-10-31T17:14:05.302219Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:14:05.302219Z",
        "updatedAt": "2026-10-31T17:14:05.302219Z"
      }
    },
    "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": "1.31.0",
      "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":"25c7f6c5e1132e22e778a3a0524156e5c62c6a8d988e833a7a097d0f41534fc1","id":1500225,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466975369054,"prev":1482018,"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. 0x5316a8352a5cde28638d67222cf4c2c08f6145bc188c4908d1fe9394c50b6d5d
2. 0xc6d913877ff854ccaca6a7ef3e13570e539198431da30fa1e2e797a6c7bbe397
3. 0x79edc337d938f01efdad6b7fba02291825b67bb2ff36010454825b9643e6feff
4. 0xfcece2864ff66c65b3ba021950f9a963279b63b4909447fb0272bf02d1968251
5. 0x5e987c125130d3bc9e307fb14401caa6582b893f1c1d515160e6190b6042e8e8
6. 0xc04fba5042dee41608846ffe4053f50a6f5dfe71d158ef6ba855afcc7ceb33db
7. 0x30da137498da60eac92472c68d2adac42b0273b913b42438dbc8fb204d9d6d75
8. 0xe2335ff6e6b96c82e8ab2b01827a72ef100a9496f62c2c1af1dc58446ac99798
9. 0x292d7dbf6b59974dae991f0ee20a0a510d8a06c18733a56121eb2bc08924def6
10. 0x2966a7d74e0f5c0bab7722875d3366f9044230dff4edccaaeca0adadf28ba1bf
11. 0x7c2436f8cc21502f4a348d07fbfc8ab45a269b58ef3e532063dfdb97f07429b7
12. 0xb01926e38c14ecddfefcb77ba79ec4b28f3501e3b327ebb8253f3f4e334f812f
13. 0xf3220baf23862f460ba1258a3c10efea5d98488928e1c5c78f65caedb16272da
14. 0xa61ca0b664c5ff2f545d3f92e3125f2b38c2b4e58fd9a71badfd8a85dda4c936
15. 0x37f0ccf90cd9ba8759ef0154382593820880794592760020f095a3628e43fc3f
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0