Evidence row 1535331

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": "2026-10-31T20:00:43.379578Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:00:43.379578Z",
        "updatedAt": "2026-10-31T20:00:43.379578Z"
      }
    },
    "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": "1.0.0",
      "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":"491d057bee2f2e795532019151f599262b3df97f810404224aceee96d5a654da","id":1535331,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793477813890444,"prev":null,"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 2026-10-31 (246033 rows).

1. 0x42b050dcb35f9bd0ad216f2646c0fc1e733c18580bab02c55712d50516616f48
2. 0x7fd058d47c54c73ab8e27a4598ca41d244c16ede3061fcd62f7db898a005aebd
3. 0x87bcdb539586e76b53188dabd5f9768aec3b09fc683137e4a645f8edf0ee6d39
4. 0x80753a119fdae3249a5905fda80ce4d69da89feac823d57806eb96857cd6b67e
5. 0xf82c8b957c62b6f8ca0942bd8c7fcdb3fa49094ddbd688511e015990e0655b45
6. 0x31f63fb12fbaf1113dac9d583b08cfc8d26280e8f87e9b55d71a60c7248f594b
7. 0xcb71e868a367c8c3eb681e4077a088c65b2346226870ea5963e404c0920571a1
8. 0xead3db034e753ed47ba89473a4943b9c890944f246af1cb3a05bfbfcfa88eeb1
9. 0x63e4ca230634166c67a1882e6168df46d7f7fe31ccf4a3450ba17a17eff624f2
10. 0x4403925bad8291784dfafa1b8c4772306160ca26eae194883b294682fded7116
11. 0xfbb7686108bc7d34377b384846c88be68b36da67dc0d4c225a296ace52a00589
12. 0xfee51ffa8c750bcbf37b72246cd37a64c6c2a91732c57e7a49e32d9164a15569
13. 0x7a54c08d5f3c4094c6fd45e1d2f2914fc4df4c6b08f960dc391a45bb8a435724
14. 0x52abc997ae7243cb8d8ecfd77101582ba9534053215bf053c093c35dae7572c6
15. 0xc712f139a437e96ecb98a6d83c47c29921720c39ba2e7e94f4973de043fb567c
16. 0x24ea73817c2ff07f87a42be89aff36ac5fe49b64420a647cd406ee60e6a77f70
17. 0x37f13582abb3c002d51c2f190c312129cbc3a39754618fee2c75c2441bb1eb94
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0