Evidence row 1537905

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": "2026-10-31T20:57:38.651678Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:38.651678Z",
        "updatedAt": "2026-10-31T20:57:38.651678Z"
      }
    },
    "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": "1.1.0",
      "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":"5d913a8a6cb7ec2ef61992b7e8a59136be6a5f7415d3fd68010907663ba43122","id":1537905,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481417955437,"prev":1535331,"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 2026-10-31 (246033 rows).

1. 0xac09558d4e230d8a066f4dc9cbbde5d5f624ba9c09f45e5f06c4ef39edc67f23
2. 0xe10a298f026af9ae7d87efcb3a33af0f9cb31b602ea9a1dde89b38380228bde9
3. 0x97a2d64a875929a2c17489bb5a419bf111a66fd59a704b04fb34870eae338442
4. 0xb0e235c4a67f2fa1ce3b417ae8dc1318dc75ec007b48beb176ba45164b72ad3d
5. 0xbeb3d0c8efd64d0f6a7142751eb1443f708a422a988a25ab5d5c347cc9ec2cfd
6. 0xa0ef6b731731a623cdb1d0f1af520bc07e585b593a1f678388cf32133e2b1e6b
7. 0xed8b399d81ae8a7817b1d1519613226496d73b307b8f04d7542d424d7129840e
8. 0x06272da4f4fbdea586429e1917ccbc969c15929c38c5cecc6ca2258e96192b44
9. 0x49143a44a41bf47c823d35217ed8893fe8667c21b7b7fd606d9f8b3bd2555d47
10. 0xf049b4db11e2f618ae5a68e56b0c0739330e3da2fb502db3779448e47aa9271d
11. 0x2f3249d0d53b04b4c1294a4b05a18518cd0c45693edaf816af6e5844099d31e3
12. 0x0b7b2aa9c6e574b6b185a1c5f3cd6190e5f1168ba0b13ca46fdef6279c6fde23
13. 0x0b806489de9a06dcb3c577117e5b9b04eba4220a7b621a2fa8d84dafcbb2eb4e
14. 0x17b4d08af91ab833713ac6154ec68f498dbe032401780285c2ccdadad6ac27f1
15. 0x57afe240b626bf60f6af8c76404811e95ea5519f217fac382bd159177a8ec870
16. 0x2e1cd25ce4079da9bfa6219d7ffec992149add4cd7d5c5b2cfee9908c1c8a5dd
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0