Evidence row 3945533

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": "2026-11-07T09:18:28.714014Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:28.714014Z",
        "updatedAt": "2026-11-07T09:18:28.714014Z"
      }
    },
    "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": "1.3.3",
      "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":"3061ab3e1e203c7c3aaa2cd6bc3d66c997411117506c70080344b38e83f3ccbf","id":3945533,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043458867510,"prev":3775551,"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 2026-11-07 (195826 rows).

1. 0x12de7736f92c7b6b0a760224367167e7d843e364fd589bcdc1da33c889fab629
2. 0xf784acad52758cf2a846ddd3b855b938339b9d0e4cbfcef2f1a7065bcc856a54
3. 0x34de2776ffa302cbbda58c759acd5600a63f9246709d948030dd1acae526b8fe
4. 0xc2be9964b92d27669a8fe04d5a119924a84cc0f7d1f6f843acbf483503a7e149
5. 0xf795503f3954a5c6a8a1bb1e18b0844ab6984ffeeaedea86d37471c7ec00b96e
6. 0x135030d6c15d3aee11e5b11eb6e1932e365d870270b7d44dff63791e9eba0542
7. 0x9cd1e360dc684fc009c7aefc12dd105b817e1659450d938628a4db6c37521324
8. 0x7e11a70d45d21bee7f2e2171f8a48e4d6254cdbdd1b2a99338300147df816cf3
9. 0x48de7e9d21416a832373ab90e4c4bf5891bee3bd86882a7ea5938540d02e9d29
10. 0x8d326627003099a2da95fc90375e0a0080181f7799b92a2eb4d8c104a2fa38aa
11. 0x9c0dfa76b4d5d341bbe18d0d4d49d1b94e7dd36910b01e01d4ad7ae99ff596f9
12. 0x61dd1e4985157591ce2d1071613698f1cea71b6f8b631d357d4e357ded5e4cf1
13. 0x7891e59c9852218de151f10668d70fc74d1aa26e303765cb61bebe0d9491d8ba
14. 0xfdd7b2b79797e6e952d4f424ae23c7bdff01d5d174b3c27e3aa0f615e279d235
15. 0x648a3baa51de8aa55066ecdaef86a2d63e9b16b533148da0c58eba70048b858f
16. 0x80bdd907e4cabf074c5e8d919e88abbc805de47d0c5c142e281a67157f82926f
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa