Evidence row 3414588

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": "2026-11-05T13:39:12.189936Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:39:12.189936Z",
        "updatedAt": "2026-11-05T13:39:12.189936Z"
      }
    },
    "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": "1.2.3",
      "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":"7f19cf3c118144554d7e97047aab5f2159215be101f567a722501191d46bc6ff","id":3414588,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888499831345,"prev":3396336,"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 2026-11-05 (322504 rows).

1. 0xe0e5858ddd99e3149152cbb1cadf167026b835e96c4cd676dfb09f32243decf8
2. 0x92f3cd97eb1ccec2bfb938b749364f40e5c51460c029e54dcce431b61eac8a3f
3. 0x62763f6b856269981ed8c1991acd209da59a0a979b01f43e65759326bf40f285
4. 0x3582652f31417a2da00dd9285817ae2505f048bd3466939d9d34791eef45374e
5. 0x6dc005a372610fb8d55c430fcc13a605648b271cf678eeb3b5f3916b1b224460
6. 0x511cf4b2ca14e41387bbb0314d3d252a5ce163e4e3fe0ad15036c0729037f99b
7. 0xf28d5d03471f86ef632c4402585137d80979873f3e23921d222014c04ddcb570
8. 0xeaedfca84a3e1fbbe271e15fa08b399e0eb78ead96f2833ff4b21e1e9bcf2e1a
9. 0x585890950ae3c70c34e1f4cd986c9be2d5bea62a381dabdb7f03097aae7258e0
10. 0x22a3f3ee12021437892fd7f4c879c5b5f88255cc4934cc33fd371a4a36702a7f
11. 0x95a02f50afc66e197aaae04a4d820e14c6ce01e1e1bbb286c625f133735f9ddf
12. 0x0107a14bfc55e73be0bf9b73b7baf9f12450a25cbad8175493fedf4d8d0ccb27
13. 0x53360dd4a714944f94296b461a01bcc564310b05565b05aea6e1a71feee1a57f
14. 0xce27876666d433e301388ab9a229faf79cf58e8e5e9d26b51a8919e49ef7c4fb
15. 0xb5004928d173812cab4255917f4c361aae718a32a8e6208a7de15d84417a441d
16. 0x706c875c10714e921f12357b889e8f8c61b62dcf68745f3b7e23aa127226e76c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94