Evidence row 3723573

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": "2026-11-06T12:09:38.877724Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T12:09:38.877724Z",
        "updatedAt": "2026-11-06T12:09:38.877724Z"
      }
    },
    "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": "1.4.4",
      "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":"bcbeef2c19b9b7c0bb6b7ed92f13e8d15e4e0dd4974e48e1919abae7a706fd69","id":3723573,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793967739824320,"prev":3414290,"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. 0xf52e13bdfba553751bde676c229e594ca7683f02f60239e8557b2f1690417bf6
2. 0x26ea18c6a41f9c5907a68e2fd42e10eb595589fe3aa37ea79259a1674af2a1a5
3. 0x395a56b3c67a5e1e4a690ef0222945b5352910997df6332628c38382b658d99a
4. 0x5bfc15505b0df46b8135b3235321d5c1e6cc3920951a1144a706a5153ba3f2c3
5. 0x5a10a225377ce082fd52c1184a2d6203866c534e412edc997c3c23f714d17bc9
6. 0x495746a4b9c99ce85f5cd1b6634ec33116104ff0ff6cf230e2f2029ef7070eec
7. 0x969f18861480bc1a704f2e41d46f15fa3b1740d1857e0793f6164492ab74d44d
8. 0xa04b4ffb1cc97e86df75fcec8cb57469d670ba853f1102bfc43373ca5962be71
9. 0xb512ec66794304f3c4beed5b7f5fe9f95309052b0ed62a4a9072f62738d8ba31
10. 0xd6c80aa2edab90524bcc3bea9acf0c5d8a23b09ba376089d9e526cbf8f9fafed
11. 0x29ef05eb5b2d4ca0955e759b658a41da8ec1a7b0b4cec0146af791649744fa03
12. 0x3755ecc2b74a47614d1506c910fce7698f7e4284f166bd85bc9a7c4b1b8f9578
13. 0xa5dc4fb3a7ae09f3d06c57adbff25da103da7a1961739da10aa705af4b5cc1ed
14. 0xadb9e5d5e78a6ef642bc8b18b9f3dd14d6e5d20536651d3ce85fec62d35a6aba
15. 0x0bc8160b8c94aae791142fc9caa83c153cc73b339512089ee494d4e8e7094abe
16. 0x04c1c4929933bae20304ac32084d4b93dcac07567f68e828ac93bbc39eb4614c
17. 0x0ab273486ad4e41bf08c741b20b2ee12e0fc87eaa429a5467c58fd3be34409b9

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1