Evidence row 524586

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": "2026-10-27T17:34:37.478371Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T17:34:37.478371Z",
        "updatedAt": "2026-10-27T17:34:37.478371Z"
      }
    },
    "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": "3.7.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/pironjulien/NexusWindows-Claude"
      },
      "title": "NexusWindows for Claude",
      "version": "3.7.0",
      "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":"bf1ea203aa77b78028f1c8bbf0de25505366c4733703ae59be051bc443218a2a","id":524586,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793124739125783,"prev":506107,"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. 0xc171eb1674ddd87d747661f3ca6d22514afe3bc3d58b1f1bc361591e29ea7935
2. 0xdd45fd83d2a9180b5cf459a47cc92c9896c13a25020a574a169254eb53c80163
3. 0x6a334312bea9e94393814621fede8dbffd277ad13427ea28512cc063ff64bc83
4. 0x7d76fe00981acb68313225c1a20c16b27de1da95c5dfa7ee5cf1ba1c7b9b1801
5. 0xae6a00f2a78eb64a13b72d6de562cdecc5cf0698a03a4669f208ff35df34f4d2
6. 0x046e0867ea8f4687f549c43677fec6a96d00f69109daa391427c276333d72604
7. 0x283cc7345e3f24ad0066d5f0c57b4d96898447f9dc1aabd2a0b959a3e39cea1b
8. 0x68a671d7dfccc459b59a92cfb5f3e8779e17f76fed5683d292d940f52a73414a
9. 0x541a393926f1ac9763f10e22d98d781509fd82f0510ca816b28bd2cfc146941e
10. 0x4ad2073b6d060aec55c09d199990b7db63b4239e653699d60c64726663e6c134
11. 0x5a13fca65d8a7a99a0b9f7a1e93e4c0383a76a0fdbe04d70632715947f716ff4
12. 0xf60d24675361c4e691254e637b8ecddfc4470b91e0ce8ab4c088e46b7460f7f1
13. 0xb48b088603004f0a5232faea4acd65999cbb4832f4c15b0098e853144cb91655
14. 0x077edf0f29e2a3aa19c876439830696b88f0236fd0b2a3c43c76f38cdd29bb2b
15. 0x73341bb09dd901ca47f26173883431496e3d98d6b0fb5b89f36218126d46c5d4
16. 0xa94627de1af0e823832e05a9069b304ecccb8c0cdb8f9cfc4f2039bfb9799dc5
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4