Evidence row 3958375

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": "2026-11-07T18:05:27.263972Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:05:27.263972Z",
        "updatedAt": "2026-11-07T18:05:27.263972Z"
      }
    },
    "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": "1.3.4",
      "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":"ef0180c3c8e6da5d08a726ae333a30ed9d8784df0f07905dd63c541eeea27c35","id":3958375,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075909507622,"prev":3945533,"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. 0xdb874593bae086775f8a0140220de9a38770fb0b6bf8d15065451ae7272ebdd2
2. 0x6e3fe1b915ea44320678d059a9e8d746407536f8c4b34f15a3389e96ed753122
3. 0x402be03b3cf8ec529e6962812288dacbcce6410162ac55b6bccc113b143835fa
4. 0x719d31d61a4b07344e82a8999fcdcd5e13cc4728e67a536554ac2747c64ef495
5. 0x7c237ea861265979973cc444cdd175c99eb41c9b54d5b959d145ea3f7156c9ae
6. 0x7c6e928914c6abe5f3a5dd9f616cb706217afef019ab6a9d90094e9c781c3f4f
7. 0x28845250dd4ab77d8fdd0468866f5aeea9552e706580f2c5f6e83526215ebb2c
8. 0x56ee53f1d2b3a2ef744ea1f924406707ee64b00c34180e2996dfd29c8d26dd89
9. 0x3b6d078c3f72ff44d4b00b9db27612fad3a8784ec67b3b358a5008404e5e2bad
10. 0x54ff5567444828088e6ae0f4e7346c489bf383d70d0c91e44079dd7545886635
11. 0x43cbdecc3f117a1e1869828326a4eef1af4827a5669dfc51be2b7dcf76364ecc
12. 0x52af38381ce68d72fe95b9b11c572a941030ef084286cb0e6342ab698c02bb6d
13. 0xdced495fce332a528d0fc519eed6fd494fa93360d1d98c658e574f6c2f1b5f6b
14. 0xa85af57238155e426a15f5f27df56aaddfc89a16bf2e3139744666b96fc3c226
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa