Evidence row 3958078

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": "2026-11-07T18:04:56.393208Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:04:56.393208Z",
        "updatedAt": "2026-11-07T18:04:56.393208Z"
      }
    },
    "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": "1.5.4",
      "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":"baa22e8a04a5ac667a38f4d21df3d94ab3cb35912cf67f7c26f6f6702779e405","id":3958078,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075899186624,"prev":3945229,"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 2026-11-07 (195826 rows).

1. 0xfcb311b100f598f99d6657c2e3237314af55b05073a2401055d31c04a90ac8ff
2. 0x28411deb6b274672397673b08038001adf3b5dfe99d1da12e2bf1901a828e0eb
3. 0x61cda4ee4356d97e23a0094e5c45644efc3a34c623324e1975c1c23920cdd1f4
4. 0xec6359b3a5a76a45158eabbcaea8a4868e75510102c4eeefd89fa225ef8d3d0a
5. 0xef24036ed23ee3c164857247c7c0037a2127cfd03479e3568939a463c43438ad
6. 0xedc93c3367dbf8e77a6fe68075220623d45d713a95f3b5ff619c574178993a97
7. 0x5c02f3c64ddf5c6399d879e87351dd451232d38dedf970cb0d41616d9ddc95df
8. 0x8affdbd607beb11a35e6124540810cc6a96260920c1044d2521111aea6cd9eb0
9. 0x58c5cf875e617bd569faf32e9aa08a75c85a0bcc0c4b81bfb3697aa2109a0bc3
10. 0x2b5231842559d131f246c05ff84cb073c2db088e64c0418b46cc1d1e4db058ff
11. 0x2c971451a9e4a80d6f773f777318d9b76404c989136ad049c049c8b6b80ec101
12. 0x83f6de5e03354a833ade3c1ee288bb8a7f24196e578c04bd33962a8c4d736060
13. 0x9b2f897a7c7df5caf571ae836357f1a799a3231d5d70ab0cda89db6e4f10d727
14. 0x2f1bda65dd8929924c1dad6e9e29ab36a1b8cb4eed65c97434b87bf8d5cca017
15. 0xb6dc07358d0932b83c713d4c82df6764849db6e58ee1c7cbc06d03f381a6b36b
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa