Evidence row 1828837

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": "2026-11-01T20:36:13.81753Z",
        "status": "active",
        "statusChangedAt": "2026-11-01T20:36:13.81753Z",
        "updatedAt": "2026-11-01T20:36:13.81753Z"
      }
    },
    "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": "1.0.0",
      "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":"6fee8d6b30efb5ef80cdc7f7f2b3abca5fca3d8379b4279e15f88e6b31b57b98","id":1828837,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793567869344796,"prev":null,"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 2026-11-01 (302406 rows).

1. 0x968fda469f6cfbc091b94c406a758ee3fb6edf21826c268ba2422745ed7fe619
2. 0x1bce9c2f270bca2b467e9366054aee056838ea7bbe2698927d52267afaaddeec
3. 0x2ddaf144baf7153adcd3ede75b4333663fd305ca20b289c92182cc7222ed2781
4. 0x5994652a72b9b6f6e07ae3b89052bf95278662ce49b99339b68d7e4171981a63
5. 0xdda64bfc0990782b64b72fe11509b2e879c2f5dad6ab7d5a566af4d37305e0ce
6. 0x626b449051825742cd28a6118dfa6e690424f615d1cc73a5203884a55c2871de
7. 0x01d8bf87a9848e1514719b4ea5b97017638d4183a884b5b3abf7570d4f776e06
8. 0x8b2c5450346df8cd2d265ae24dd52806c2eb98ecdb4cdfdc0d6bdaaf951f4c2b
9. 0xaaf786ad991a2bea6d05bc78de7198385aed36e4965280b954580e0a520fcfa8
10. 0x9dc966b41737693a3e8a307014dcc0321841d3b9abdf01a4cd6cc9e2c833390f
11. 0x33407ef6c8a6d8250e4b6692381cd459cbdca29f87ea9dd534844e7752d0236d
12. 0x8672058a7ccedbe11a2fef93937317f7b0ca7f6df11e6cb05a9a8f81a9e040c0
13. 0x5fa48d4b29f08942a71ddc94700c9e76269811b21fe904993da8011a51962f43
14. 0x4a947b63bd24ff0fe59b3ababead63ec46e4f0a77216d7b01b8bdbc5c7c01e63
15. 0x23107b06227fe01d939429fa5248f5555093c421dfc6b8bc6ba3518a65263d17
16. 0xc2b1c84ef3531511a3d8d9db5ff9eeca2725a3782e7f9c4ac87fc0f1588349fa
17. 0x0c618c42b286ad61acd8204aa6dcf024b8b041d3759aa585bf4e221abc39cb5d
18. 0x6142ac48fda269c17791c79da99c2456ac6acfe98268f4d168a404fd6040c703
19. 0x3315fd2757fdd435852cc277377234a3f3909a6d2a089d0e36f6d59aacfda910

Day root

0x7fa2cba1cf3d6b35630896f5fe1a650adb307ea2c376e80a5f2d9276b7cb5ab3

Chained

0x577ff89ba012beeff3197bcff7fa86752074bdf54205a24359cc437be2a952a4

Published

On Arc Testnet, block 70262758: 0x435bc1b9331471d72e1998f2e420983b5189d4da65ffbd6f27ef40daf5e1ea90