Evidence row 450627

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": "2026-10-27T10:39:33.011782Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T10:39:33.011782Z",
        "updatedAt": "2026-10-27T10:39:33.011782Z"
      }
    },
    "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": "3.5.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pironjulien/NexusWindows-Claude"
      },
      "title": "NexusWindows for Claude",
      "version": "3.5.0",
      "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":"72b3c509054399905a53b4e47644313176f583879361d7cec37ac7a247b52a74","id":450627,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793100462035271,"prev":447033,"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. 0x463b2892bb0c69348c262f755e071e10b410be51d74ec7e1d221d7a943c040c7
2. 0x8ba27e2d4615189929ddc0155dfd49d4ca33bb9d43c03e04ba62c01ac115bd28
3. 0x171c797f9af1a08bddf321ce8a6a951dcd613b52ce326718aece23aa81ce37a8
4. 0xfede7de80cb5a4e8275904074a0bcca0e0c67c80d0fc171166352d445e4d016d
5. 0xc07bbcb514d0c9d65e378fd6b315076275b15a71f1c2ec6581e43087c9b2c2c3
6. 0xbffe5c4301c2a7e5716d989cbae925ac0ec4beef8ab6a870282b2b442abf94b5
7. 0x36e0b6e35ca34860f557b1fc440e7d53bd66d46c75d166bbf81ae11ac85d8bee
8. 0x9b9e6e86710a4270c8ee635d132d077f966724e21f42a305a0e7c37c65f0c96a
9. 0xa5eec167b21289d0b220adf013cef37be6e80d0c340f79b40fc3c87fa3350622
10. 0x703979466834e21efcf7e33bb43c312019552c466fef47185c9b8ce5848a1068
11. 0x6ed6652c0a61c43ddac9d506feb91d6c0a14dfe1cb98614f64edec2e4d6f5a91
12. 0x92473b1fa79263164c4ce7d79f93b1dc8a85f63587b51a81433d1ad19b285a90
13. 0x836e1796750a28d286ffaa8d273d250fe348c563336bf2d30cfaf1001d95f677
14. 0x80ede9e5d428e39db26928b1d08254ff1241f1d7e091fd2e57130fbb4423162b
15. 0x2c117b27721eea45f6590fbccb471d21a7b0b079a53f089ecb300c63bdb3aebf
16. 0x3ed50f053eca72dfd3a9d45a11935240bfe691e57835c367ddebe2cbc49efe9d
17. 0x0e01aa9525097570a6edaf32bfc959de57bf5c24317cf10c0716affea85ca60d
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4