Evidence row 1479755

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://gateway.pipeworx.io/countries/mcp"
    ],
    [
      "web",
      "https://pipeworx.io/packs/countries"
    ]
  ],
  "name": "Countries",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T08:31:44.50071Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T08:31:44.50071Z",
        "updatedAt": "2026-10-31T08:31:44.50071Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Countries MCP — world country data.",
      "name": "io.github.pipeworx-io/countries",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Optional Pipeworx API key. Without it calls are anonymous and capped daily; a free key raises the cap.",
              "isSecret": true,
              "name": "PIPEWORX_API_KEY"
            }
          ],
          "identifier": "@pipeworx/mcp-countries",
          "registryType": "npm",
          "transport": {
            "type": "stdio"
          },
          "version": "0.2.1"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://gateway.pipeworx.io/countries/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pipeworx-io/mcp-countries"
      },
      "title": "Countries",
      "version": "0.2.1",
      "websiteUrl": "https://pipeworx.io/packs/countries"
    }
  },
  "source": "mcp_registry",
  "summary": "Countries MCP — world country data."
}

What the leaf hashes

{"body":"476f9bf8ed6c6e044e9f158272476f6afccf7c1f5a363429e8d8ff9d2186769a","id":1479755,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793438154322112,"prev":989514,"subject":"mcp_registry:io.github.pipeworx-io/countries","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. 0x983af12fad291ed58be841a2dbffd6479ac9df4a2d8266938523b699af17f9e8
2. 0xf001de0c9ae6e4f74e76d978d8a51e910652c102c6296ee8fd37e7e99b52bb97
3. 0x8b2f108e3908848a609f98707eb8c711605d23f758757f35c50c566c93e47c3f
4. 0xd7dcc337e164b4dc710fab131edde6c07d42e305b99e02cc2f2932679e937e1c
5. 0xdfbfd005de070152d78790ff552eb33015f914138682fd61faf56e58cd289244
6. 0xdfb8c86491fd9ae3e2b383e568da2d4ffa8ed86548430cb4c9ff8c246cac4b7e
7. 0x34d2d32a27fc61597d5511fa55f11108f6498438dfeec47b3dcf9f1b9a21ab97
8. 0x86da5611164f824851b93e5c559995dcad3095ff5c8f04ab702fd7bdd6fd051b
9. 0x91ea1386a0e8324ee8b6b7bc782bedc4cc75bd253ece03feeb2ac2f3748dde96
10. 0x1f86cbfbcfc001b867b5238409e81594647a167bdbd13b001e71aba53ed875f9
11. 0xc2bfc70124693e42a30b1e9424f5e65f130e81fcf2021736a16f581dfdfa1336
12. 0xbc50c1208732cc705109df693b6a627d9ef359d44d0b10015819e60a66c4c9d0
13. 0xbd3397f20533ca2db4a1c997fdbb756c45bf8be5aaf398014d4bb8d0c9c9b21a
14. 0x4703be8cc879d73c92037a4dad5a432848a2483b2cd09dba8d5baecb22a1919b
15. 0x91bc1c2b25f148b9b56bf377304983d0f2e68d0d8c3f65c9aaa8adb083331d11
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0