Evidence row 3775551

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": "2026-11-06T20:27:51.536008Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:27:51.536008Z",
        "updatedAt": "2026-11-06T20:27:51.536008Z"
      }
    },
    "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": "1.3.2",
      "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":"c6298e8ecee1b6d3d0aad9c44e0fea27e5debd85cfb8d3fadeac5528ab8275a6","id":3775551,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000219421826,"prev":3765253,"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. 0xfa58803ba33e2cd15a11326b8dbb914eaae7c215f3cccd3e0e2231c65e94c017
2. 0x560dca175479113848e1a5191a35c078ddaf80c31215308d21b02a2f5dda4393
3. 0xac9b5d4c6996b2a5ee2b189888716e02ae1095525cb571900a9e1ffd692390c0
4. 0xffd7065957020c1b7bd2306c8fd348ad39f7ab9f14f95a0089ed9cc0464f458f
5. 0xf92ac097c335225a3855252717857f921038f1d4680cd801532da4453fe136fa
6. 0xd88e4c1dde7942e157441d483bbdadb6340aa3291dcbe71dae0e7b0738aa09da
7. 0x6b58caf0b7cf6ac1b975744da90fd16756d64e446ea91d9f7fd085dea91812fe
8. 0xcdb60849dc5388646f872a39a87698580c71e0395ee6dccd578779458dba358f
9. 0x5101805acebce8527a144ae45070c85540775fc56eee09c3a7229681b8eec5f2
10. 0x8481dc3f00309dfdc3f0e3f6600b194d2dee8b7104dfa7708012f664366c56e2
11. 0x5de3758009ccdbbc7388d564d4039dee9b0ee364aa42f2dac9a313bcd61c0055
12. 0x002d4d2332b6d6d035662bfd55b0d66d54bd68c054837f8d4c27359d6aefbb66
13. 0x4b73a433b9ae93404a8d07a5cfc0c3e56faff97df16d84b9926cc2c4072d26a2
14. 0x86593ac15f658012908c6be3447438c3409f4e6b92fd02ad8b0b2a8f74233080
15. 0x4d1da9738e22475b7194f6dd7a6c3348b6abb938507afdcb6452d859f52556b2
16. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1