Evidence row 3986847

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": "2026-11-07T21:56:07.736752Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:56:07.736752Z",
        "updatedAt": "2026-11-07T21:56:07.736752Z"
      }
    },
    "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": "1.5.5",
      "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":"d756a7118124d14631bb181f70f10261b42bb79ec965d8ca0e183a83a92de9f9","id":3986847,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090325824257,"prev":3958078,"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. 0xfdc0ee9fc05dc7c28a45be16c9f6ffb95b4687bc566d6c130eb627ec4cbb8781
2. 0xcd7172a8f69cfcbbb5c77feacaae75f9222fb8e796228de81359ac16f0b6e168
3. 0x2e6efe43dd003553f30d9e74782d1d034be391eb121496adcdd7bec054d2d4b9
4. 0x8f2ab14eb58bfcb6a08ac815394c318f3d5eb26ea2f6531445dde4edb761c36c
5. 0x68a8f19180cef8814b5eb811035a532ae80c5d32d507874629a09f61abb1dfbc
6. 0x7c2265d5e875183c2e081c7f09ffe049da5aa8542df5c7616285ad2c4f984c47
7. 0x81a476654c21eb5a20b8ce5cf1461a29ebfc72c9c5cfd0593b8d66e5f512d8ea
8. 0x0c5d6c60ea59d953648cc53a50b0b63a2652ece796e5e999e25953a15ca26884
9. 0x82b48cf3ceddfe3948abe4456a966cfea9bbe960e5c2e10cff0d41bd62f2b21d
10. 0xae3744a0e008a4d1f83c04835960118349d6c8ca4a337b3c53044c488eb9312d
11. 0xcf365e50f7bd8545196dd1b8ee1b0af12bb94707a90b7996c67de10584231dd5
12. 0x83f6de5e03354a833ade3c1ee288bb8a7f24196e578c04bd33962a8c4d736060
13. 0x9b2f897a7c7df5caf571ae836357f1a799a3231d5d70ab0cda89db6e4f10d727
14. 0x2f1bda65dd8929924c1dad6e9e29ab36a1b8cb4eed65c97434b87bf8d5cca017
15. 0xb6dc07358d0932b83c713d4c82df6764849db6e58ee1c7cbc06d03f381a6b36b
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa