Evidence row 1541317

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": "2026-10-31T21:45:16.792599Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:45:16.792599Z",
        "updatedAt": "2026-10-31T21:45:16.792599Z"
      }
    },
    "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": "1.2.0",
      "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":"9fcb6ebb0825ba497ba5d89dd16346d5c782afc060f293e21391c0dd646359a2","id":1541317,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793485023107924,"prev":1537905,"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. 0xa7c5a38e83ad4a398ff9b04a4dc9b24977fc73142b795c0fcb8be4c7aae348f3
2. 0xba5b94d257f67272529d40b9f343d616a6a11285d10c687645df4ac5e43e79aa
3. 0x269d2485e39dc9571fe6d38eb32823b07349dd43031688ab2e001ba118f8d5eb
4. 0xd0ee68cb4d1c349cd1a251cc04f4c3ed301c75cb64854b252ab3b79e28dd6297
5. 0xcd656e79cc72ae1bca91600f586963c119a7d38a308b4d0d10d771d384c1cd1b
6. 0x1dfba106f7bab6f158646f6be3b7fce5be64fda35fbbfc98648c0630d76d017d
7. 0xd79913aac57018dc14cd9f00e7aa05d947163796e2cf72f878964bc6508812b5
8. 0xaa26a2a5deabc21755a53503833eb2e7107e6d771f6c63b3858f7d87f9d258c7
9. 0x727e9268fb0a2988463b0ffcce37f5931adc35ad88e894e8605fa204a3e45c54
10. 0xfec088798f9cf51fc662df3ba5d5625c993456d67cb3b98a1e171808dac2e244
11. 0x4a9d6e6b16a5a9aeb038681e3ac944037cc64039a8da7b8c4197ceee0fc858b6
12. 0xe40f6df214dc38cb5b58d1969f782aacb017feb82a550e9903460373470cf59e
13. 0x42663dd611e2eab6140bef498f806bdd8e3022852cb03f38538ffe81554d0f9b
14. 0xfc4e63034c3e47c4cc19a85dbacdb421762119a58090dfe0c71e13f11f75db19
15. 0xaada757a4e58b5424e31228ed7c84f378168cc321ac8ae3a78bfc8096bcc0324
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0