Evidence row 3945229

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": "2026-11-07T09:18:07.492972Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:18:07.492972Z",
        "updatedAt": "2026-11-07T09:18:07.492972Z"
      }
    },
    "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": "1.5.3",
      "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":"a28c8fb30a51b31142c40e5a43f579b81d87748a022784664295653575ac141a","id":3945229,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043455833834,"prev":3775249,"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. 0xdd9374a22a9300dea123089bbbbca6416d0a9438d8165b2f00dcc6c7c64011b8
2. 0xbab2e3067bfc3db13c1dc47859d722cdf8d06b0f4b6805550247c6d68be55e8d
3. 0x6167e9819916b5b21cbe550201a3f20a6b14b59f70e2c1742586f9bf7c2f81be
4. 0x6635cfe80774185d853a676d9c1709ad009ed4d4f440542faa8ac4b735e15f0c
5. 0xd0bf5e6118779f3e52d360fff9e782621caef822d35b4d126380f81f8b132e79
6. 0xbf9fd3aa53416aee85e3f63def2061444577c38a97a306906607a69e403841bc
7. 0x463d0cd49c66f2528e0666c115a8d1e409933cca6baddc776ca10fb51773f9c0
8. 0xfcb0b14f8eae776b1b5b9a947ad2ea4c618a008f9a6e4cf359c1d95e2ed10fbf
9. 0x952688b15ea6fc418a8e9a35f4c854535c644e5c1ee4974725212d92f30c90f5
10. 0x152baaf370b59460f9c9e995cc7cbca532cfce1f4d7d4ed29fa3ec255abe4518
11. 0x1d7f035b138332431ebec9ad53f9f7e86e0d392d1fba849ea9199836ad781031
12. 0x52af38381ce68d72fe95b9b11c572a941030ef084286cb0e6342ab698c02bb6d
13. 0xdced495fce332a528d0fc519eed6fd494fa93360d1d98c658e574f6c2f1b5f6b
14. 0xa85af57238155e426a15f5f27df56aaddfc89a16bf2e3139744666b96fc3c226
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa