Evidence row 3396336

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": "2026-11-05T11:43:02.262332Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:43:02.262332Z",
        "updatedAt": "2026-11-05T11:43:02.262332Z"
      }
    },
    "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": "1.2.2",
      "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":"72d41a640f220e916584b8b3a1feda987b235eb48e2a88c32274a8779e9ab526","id":3396336,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881291011123,"prev":2726770,"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. 0x742aa415fb6fa187d8881664e3be7ff17948376ba188a68305e87cd48d97c554
2. 0x08f354a9a9f76cb03c2cd321127eef239eaa64c5bf4b4312cad8f8c02d1b798a
3. 0x529ade4100ade8ab75b054fcb264b4da3d3593a6e687e6bfb9bd02203eef9555
4. 0x35274daf404ab7788cd02c68e2891466b7ba76ba237a8a00fc0d0b7a2cf25da6
5. 0x7e5b63483abd9cd407c5bc3712851ec3347aafbd9651e4a91f52907d418f682c
6. 0x5ec48207b1af19e70d18d84802aefe8fe4915d7d110d3bc07c6edbffb530f01b
7. 0xe24bbcd2a9ffb4ae78ce3294b5acbbe00db7d2f1690cfdf6505c8267d30dee13
8. 0xd8970f97c0225ed06f2a759cd56f9fbc5ec787dcb79048003bdbd2fece1d03e7
9. 0x426e1cde7dbf5c3c15043633d3dfe9e3e9ab9c98a109d545ddb18d1308120e3e
10. 0x8a740280ef1ce693beb7cf358c591fcff48cc630d809efb9d39e7af7e792e893
11. 0x7e4cd7fcffe45b54cb2ca85ef3edcf02fbad60bd74942df42112aa30cf3f1166
12. 0x7d961fd0f6a72244e8b15a26a354e745e57a89861761c1b8fe6b707ec5464fc2
13. 0xcd10cdac83e7a4f14b285d956e9d7858d35953837d438fafb62fb1e7b319f218
14. 0x7a97b9b4888ef386a7abe73f8d9c076a7ebfba8bf58a95a273cd4304e478a2a5
15. 0xb5ea076f0a9490f58daaa0cbe915aa5dfdfe460bfc500eaea09b59c1d753d699
16. 0x3b5d12e41df15017099876c1435af6ce1c7a30cfddd96040c3878ac62de1dbc3
17. 0x7e5b4628b4269525ce0744fb873651b9d7be5748de44b7e6b858af09c7e30bd8
18. 0xfb4e1f4d701ae273fb0cd57757f659e327608e5561a752b2099b436618493c84
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94