Evidence row 3723871

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://spyfu.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/spyfu/"
    ]
  ],
  "name": "SpyFu MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-06T12:09:59.855573Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:09:59.855573Z",
        "updatedAt": "2026-11-06T12:09:59.855573Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read domain stats, competitors, keywords, rankings and ad history in SpyFu.",
      "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/spyfu",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://spyfu.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/spyfu",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "SpyFu MCP by usefulapi",
      "version": "1.2.4",
      "websiteUrl": "https://usefulapi.io/spyfu/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read domain stats, competitors, keywords, rankings and ad history in SpyFu."
}

What the leaf hashes

{"body":"97a5ffaa5035bcf0abdbc20377cce7ed620ad1a5ea235d0e2a1b829163818e56","id":3723871,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967742018846,"prev":3414588,"subject":"mcp_registry:io.usefulapi/spyfu","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-06 (303443 rows).

1. 0x3cf3687b4cd9dbc5c8bdb973f032d19e8ffc74a4ef22fe8e48c875cd36596c61
2. 0x421f7cd4ecd0c3ce1794017d5e6724e8e94df368946a173dd6b72899835feff4
3. 0xba7ca1210bc6aafcd4ca08a09072419db634db9102215b46506c3dde5f82d8b4
4. 0x9777182236513ef9e22ac3a01107a5837919a8ddbcc305bb6685c282b3bce05f
5. 0x616da4ac9836c90b264a5126d994fb6eb4ef4532c706daf42b3551255e5e04c2
6. 0xd295c64a202c6e609ec6f39cb690f2099cab47e7e9e799818d44f30b93d6da41
7. 0xd9b020ec6c156338a7f5267299610c327ed0ac890adb97b2d3d1167170894d5c
8. 0x4e0d27bc5c1a58b82972d5ce5655332922ff85a391511f3f29a9cdfab73c1ef5
9. 0x415fc51eed1911f373195249aa8f5f8c7fb2543fd5f63ed5fa8bc6d7baf8f871
10. 0xab09d52b7c9e594a46f3cf511ceba142f3c51bfe1b72bb7314e30322c1899aea
11. 0x4e6088a61a3ae9b3cfdb45638d2fa860f77bd19f17e96b3bc95d035830cb9239
12. 0x5288a9334eb4b29f21a51190969364cb32784154601a126e1d9e8b4e405c6ac9
13. 0x59bd144c9e7342b3df8e59fc9509435c9555450984e97fefbfc08702bdaf57a5
14. 0x0391cd09482a72b233cbeae67d3b018b52668bdda462ad6890dcef531af5784b
15. 0x3e5703f087c9966ff9f302cea33450db9f9fde7cafb8269b22ded1b2a3da03b0
16. 0xdfedd18f60be5438b67a88cd42d31ead60bf5dbfc8d726e3d83be13474b3bd3f
17. 0x4a618d78b1cebba8beec4ef22aaac9187dcdfb39064e0be537ca2600abb90740
18. 0x119743aadcddb571b28b442b62196d4a0afc4e1c9979c2d477d34fcc9413deaf
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1