Evidence row 2564621

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://ipapi-is.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/ipapi-is/"
    ]
  ],
  "name": "ipapi.is MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T09:55:09.665719Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:55:09.665719Z",
        "updatedAt": "2026-11-03T09:55:09.665719Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Look up IP addresses and AS numbers for VPN, proxy, Tor, owner and abuse contact in ipapi.is.",
      "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/ipapi-is",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://ipapi-is.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/ipapi-is",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "ipapi.is MCP by usefulapi",
      "version": "1.4.0",
      "websiteUrl": "https://usefulapi.io/ipapi-is/"
    }
  },
  "source": "mcp_registry",
  "summary": "Look up IP addresses and AS numbers for VPN, proxy, Tor, owner and abuse contact in ipapi.is."
}

What the leaf hashes

{"body":"f0a4f52297d1017e0e0ed0d4f6fc3d48ad13d9695df9da1dbfb72172d1c1fc51","id":2564621,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701161494835,"prev":2546516,"subject":"mcp_registry:io.usefulapi/ipapi-is","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0x718f6213d86279b849dbdf3e0f9ab41b65790f6ed1acf48d9ca32e5f841a76ad
2. 0xc4070f4f2c7d12757d645d328afb1a95620566665f47e4ab567bfa00b5fd2726
3. 0x51942d00d5bed95f4105988d905185fd2973a9188651a5003b3e8d3a18aebd7e
4. 0x094b5679674bbfc34ed7bd71d4ca5d24e919b48b3e50d549e2ad5702eea813cc
5. 0x7ede971faabe76f7fa3155024087f06ff27a62b447e0580d77318e1aa546e3e1
6. 0x51b31ae4450eee07aada2f16ae29caf9c30d3a1753b3f7f7e32328efcdf5a608
7. 0x5aef1362df7f3855503c1fbb35e9124c1a674c25365ebc4f836a175350504dc6
8. 0xd28b8e1257fd5ef2705c9f835d45f89be641617017b24921685bac3fa46cee65
9. 0x031006155a9441865c6c12afc78f21079a860ae980b8350c10f71b365ebe6b6e
10. 0x9cd9a2e094922e17ef3497f6d5396ea4c4852914e3758fff249fcd64a4268d5d
11. 0x2f1e77a790746e6fa832082e743d8f0e8477946d31b8d55bb363ba5f9cc584c0
12. 0xa677fca81c66c26e1b54a4beaa2730414ce88e6bc49e5afc672609cb033d45c2
13. 0x4bf0adb364edb7777d14e3572ee8c3a6a545f52d73a2263594eef12ba37918bc
14. 0xfa0b529eb378798ff02cbc952fd6c3953222eb9ab256854a832809b511e45b32
15. 0x1be647e954f61ace2ed9636ef78e1986bb535c60f6f7e9d512f4249f9507bb36
16. 0x4f2735e4d41cb2a5d48f6769cc066ea1066bbcd0623dd42fe7bc81e54092cd64
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7