Evidence row 2564916

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": "2026-11-03T09:55:27.701695Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:55:27.701695Z",
        "updatedAt": "2026-11-03T09:55:27.701695Z"
      }
    },
    "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": "1.2.0",
      "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":"74f206c33a48b7c3eb1eb8a3a108106041adc1465760f9ec76872ee272f2f4be","id":2564916,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701163825500,"prev":2546811,"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 2026-11-03 (425475 rows).

1. 0x00c481e9db476e43f667fa1756b68451df3fa0704223c058b362d62b45871cc8
2. 0x38d7dc8b8713578ba937d614c2fd44ce262f683ee300c1dd9a5c8158d4a3e8df
3. 0xfb1183fd36724d642a4bfaba5366e2700a5ca04fc6459d32a0c9673231536862
4. 0x36f4c4c9ad352893b51944c5237ffd610ba876a38ddfdf8ff67dbf0dc0efb14d
5. 0x9a5fa3608f07ebc9c3eff299c0a1db082566baaa673e922dc685355fbdfde636
6. 0x3a35f706aaad327c0189f0f6e7d961ae0c3039491d3d32e645cc8dfa0ffea9ce
7. 0x6f7d6266ca0c306adafc714248627cdf7377e55a9da4cb5e2d893e439be935fe
8. 0x9d1fcacd6b2d401664dec4553f4b635e1007bd8ef0453e21f0504d0757f96afc
9. 0xa06757638f1e76de5d96cde29b233df900397398c92a960900c5082b22f46fca
10. 0x2a97a09e205ddb28a1ddf1eafa6a15a5f8b1e683133be795e7fb375e54702d3c
11. 0xbec4c79705eb14dbc2a86ccd0a75c58c3ab8a2805388638d4b3cab100e7e1403
12. 0x13e74bdf3b049091063dab59276305254368509776f52845ef5ecb1488d1b4c0
13. 0x50c3ccb9a988bdd7634544be1fbdd1b3bb920b22bba931f12522f80ed5cb4784
14. 0x38d3e4f5af0a7695cec711b235344c4c2a36bac0d573eb1675af35d5916bbc2e
15. 0x4c65946e46ac859ee8bcd510bd1ff838776ef9d9a553f743da25e2fd4c4ec5c8
16. 0x06da6e1933d86a9ec29befc4660e18827c5663bfa2083536fe460228c0434945
17. 0xa82fcd0af08a38380e777cb578b71498d941c589c6401f31d445e1685adcc978
18. 0x012ad914f3f945da3b6b48eddc7a1388613e4afc04339deb76c609611864e9b9
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7