Evidence row 3775249

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": "2026-11-06T20:27:09.809977Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:27:09.809977Z",
        "updatedAt": "2026-11-06T20:27:09.809977Z"
      }
    },
    "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": "1.5.2",
      "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":"14a87cf9faec8d458383010c20445625755675b67ced2762991388067db68d70","id":3775249,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000216421764,"prev":3764929,"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 2026-11-06 (303443 rows).

1. 0xfa089c0b593393b154b92145ef424c3ccd3dcfa7a3b2f827b62ba508734c586d
2. 0xb385a0b761c411c38cdfabcdb1bddc185f2a4feb5bfc9673b33f0835acfadd84
3. 0x546bfea097dd38f3d6d3ea76c558a44a0b981d5bc412bc083bf27e48d6d8c258
4. 0x16fcdb5606c45089b9d7771aa4a8436c2adead72a0f3995f9a79dfbda18631d1
5. 0xe17238551b6ace8bdcfdedeedeedd4916983bd66b21f9538b4428c75d1869a11
6. 0xb26bf390c0d1c9b8eba0ef96b9d6d7a8bd092e39a61b9a88114c74e365571343
7. 0x2a0211eab432f5d44349adb4123c6ce3ea77b4a96e49d677e84a5f0bf987f207
8. 0x569bddc65b8aa41f96c522ea4c4a349281c43684e457a5469cb667e231ac92fe
9. 0xc4e7508cf04b864689f6f2ca415fbf7ebffd8a5970a9ed2f51514f6e54855d5f
10. 0x4581688fa5044c58287ee003f735a0c3f9432d72c60645fb839d3ee494d50ce6
11. 0x5de3758009ccdbbc7388d564d4039dee9b0ee364aa42f2dac9a313bcd61c0055
12. 0x002d4d2332b6d6d035662bfd55b0d66d54bd68c054837f8d4c27359d6aefbb66
13. 0x4b73a433b9ae93404a8d07a5cfc0c3e56faff97df16d84b9926cc2c4072d26a2
14. 0x86593ac15f658012908c6be3447438c3409f4e6b92fd02ad8b0b2a8f74233080
15. 0x4d1da9738e22475b7194f6dd7a6c3348b6abb938507afdcb6452d859f52556b2
16. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1