Evidence row 506107

What was observed

{
  "endpoints": [
    [
      "web",
      "https://julienpiron.fr/nexuswindows/claude/"
    ]
  ],
  "name": "NexusWindows for Claude",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T14:55:19.408136Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T14:55:19.408136Z",
        "updatedAt": "2026-10-27T14:55:19.408136Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Windows computer use in the background: UI Automation and Win32 messages, every action read back.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://raw.githubusercontent.com/pironjulien/NexusWindows-Claude/main/mcpb/icon.png"
        },
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://julienpiron.fr/nexuswindows/assets/nexuswindows-mark.svg"
        }
      ],
      "name": "io.github.pironjulien/nexus-windows-claude",
      "packages": [
        {
          "environmentVariables": [
            {
              "default": "1",
              "description": "UTF-8 mode for Python on Windows (recommended)",
              "format": "string",
              "name": "PYTHONUTF8"
            }
          ],
          "identifier": "nexus-windows-claude",
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeArguments": [
            {
              "name": "--python",
              "type": "named",
              "value": "3.14"
            }
          ],
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "3.6.1"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pironjulien/NexusWindows-Claude"
      },
      "title": "NexusWindows for Claude",
      "version": "3.6.1",
      "websiteUrl": "https://julienpiron.fr/nexuswindows/claude/"
    }
  },
  "source": "mcp_registry",
  "summary": "Windows computer use in the background: UI Automation and Win32 messages, every action read back."
}

What the leaf hashes

{"body":"99d7023464d7302a747726d4ec3df6fc918822842a30700e10e8f752814e2b19","id":506107,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793114943088353,"prev":450627,"subject":"mcp_registry:io.github.pironjulien/nexus-windows-claude","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0xb438393d0545be832edda77d964ba591c1ccd1f823247c3336200b9194c9416a
2. 0x0018648459ff832f472d73af23b887d7492daf1db81d58297d7c379a57ceeba7
3. 0x83239560bbecc3ba2935df6981a397a2963de740697c825102c385ccb831e0a3
4. 0xc99fabe098539ed76dbf0f5d5128784618149622923feb9b964cd2d5cfa43bcc
5. 0x159d31234589c087fb4b50038c7c805d207ec61f0a724a3fa2a07c542923798f
6. 0xfe9dffc8c5ff3a04e0c5469629d59ecedbc7f5dde350ce7c2484544438959a5b
7. 0xfb0ba937dab4743e74590d74df89d8de52a57aff7858a1990c754d156d048472
8. 0xb920ce1431fd6f4e3a0058f0195c0b6d339a6e5f8617d5fe2fc6f33335fb8954
9. 0xb453973045d461028cb4506fef9e6218a986a7416071f2ed88a2fbcf3d35558d
10. 0x7efb94cf0e8a662765a8c6efbfdc9dd1bc38bb8ad63eb2e0dbae156f58153fc3
11. 0x43473c302050eee376e0169659011f058a2eb8fc7d53a2ea0d1198e0f6d2a335
12. 0x305c0e886bebb6df8123db384ccd0d5bfc3ddf1de5fbf4edca0aea32f7e223a0
13. 0xf1104ea7df082465ff9df25ed29be80a0ac7c1c6b25c289b5d2e6ae5e6331952
14. 0x87cb8935612c40b569de008a9bf8218cd24a06f74a7364a1654613d972fe00ed
15. 0xec7bb68216a4deb1960acfbbd75da88f7e468b58adb9cf3ec62f2790e46508b3
16. 0x64c405a28e8819716221eb2529fe4ce277ab08025e17e685cbd5ece75ceb75c7
17. 0xf30fddbf4811226c58e8f0daf36fddd79fc5f1356b592bb1d99a8061ddbabe66
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4