Evidence row 3986871

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": "2026-11-07T21:53:56.31532Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:53:56.31532Z",
        "updatedAt": "2026-11-07T21:53:56.31532Z"
      }
    },
    "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": "1.36.5",
      "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":"d40f133a56530ac56d223725e7ac9035e281fe5cd63f1ad6e112017cf535f109","id":3986871,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090325936330,"prev":3958102,"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 2026-11-07 (195826 rows).

1. 0xeb5341302bb76cf6ad0a9cd337741d3f76566ced5230cad283beacbd32e604ba
2. 0xb1efdcc8e99885868d22f4a185a5e1e249491d1c06927921e12f1629cd020d05
3. 0xb8ce4616598b2fa18b79f1382bace46be9707475dbfaf78dcaa763c82346b382
4. 0x387a09cbe656100161c506b1b594d24a073f83329557f0c184a93a175cf686b4
5. 0x5d4b704c0a24375ad714fbe00849ad4369e68c82def21616c4cf71c3026e0481
6. 0xe70d3ab283b7f3414125b378dd7a6c800d26916c49c6fd9b549e4578e9fbdf95
7. 0x3f982ef35268a39c13a344271fdb78b7abecc37b1739c6eab2ccc371cfe005f8
8. 0xf320958b2b033bf3fe1cd9d7ca827201a87163b0d50d3e3f175900962455c511
9. 0x13727bca3894f54a7cc46ca2fb519aa741a680abe013f52368a8a87d3301d5c0
10. 0x656dbb86678871b345f0d57ce1b529d5f6ab8139e6163ad6cf9e9bdf5369d6e2
11. 0x3ea6d9f3b2fde4e389bf00ac2bb410edfebf9d5dbaa74ca88ebfa3de81dfdba4
12. 0xf5faf2feb8518deb6bbb259e5a3cea89120bd5676282a940c84227e157395da8
13. 0xe79f2ce46cab03ac264319838ae3b783a627edc1ba5fa188c7c509f21c4e4085
14. 0x6f49c61b0121647381a6cf39821f3b65b9e708380eb6ac63924f415c4db07607
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa