Evidence row 600011

What was observed

{
  "endpoints": [
    [
      "web",
      "https://vaara.io/"
    ]
  ],
  "name": "Vaara MCP Server",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T00:35:59.632983Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T00:35:59.632983Z",
        "updatedAt": "2026-10-28T00:35:59.632983Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Accountable autonomy MCP server: gating, tamper-evident audit for every action",
      "name": "io.github.vaaraio/vaara-server",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Path to the SQLite audit DB. Defaults to vaara_audit.db in the working directory.",
              "name": "VAARA_DB"
            },
            {
              "description": "Optional shared secret. When set, every tool call must include _api_key in its arguments. Leave unset for single-tenant stdio deployments where process isolation is enough.",
              "name": "VAARA_API_KEY"
            }
          ],
          "identifier": "vaara",
          "registryBaseUrl": "https://pypi.org",
          "registryType": "pypi",
          "runtimeArguments": [
            {
              "description": "PyPI package providing the vaara-mcp-server entry point",
              "name": "--from",
              "type": "named",
              "value": "vaara"
            },
            {
              "type": "positional",
              "value": "vaara-mcp-server"
            }
          ],
          "runtimeHint": "uvx",
          "transport": {
            "type": "stdio"
          },
          "version": "2.16.0"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/vaaraio/vaara"
      },
      "title": "Vaara MCP Server",
      "version": "2.16.0",
      "websiteUrl": "https://vaara.io"
    }
  },
  "source": "mcp_registry",
  "summary": "Accountable autonomy MCP server: gating, tamper-evident audit for every action"
}

What the leaf hashes

{"body":"ff2ab81514a224dde3c8f0c492c9397fab8dffbd1c18694d6e6c56938d75a059","id":600011,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793148070879456,"prev":54378,"subject":"mcp_registry:io.github.vaaraio/vaara-server","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xc8ceeae8a439eb91c080c5852ae39d0f48f250c442e3ff7ffab153649747a0ef
2. 0x7b3df7eab6f481f567a423c618d6ddcf2a326ab99d430c8eb0cb5cd547e4b4d7
3. 0x3eeaf0a025e39112e9026199b31b5f28b825241182e0410cb7c1c287d70fa3c2
4. 0xcbf9f2b15950c224a97838d3789937d4828425c9924e3f6a70b3d8aa06d30a4e
5. 0xaf167dff324fd75d88337d88fede6a801450e67489d268a23e6bdcb54b2a74e7
6. 0xf858e0153e8055573fbb365aa2d228ac582a6dad882135783ba9eba67de22daa
7. 0x59f40c65d81d60b268aa60fd31e74c773d2afb731103aa2036176706ff9b7d4d
8. 0x502c28baa56bf540ae436f261eac7fd89f3670c23a38a5d98ccd17739b9aa1b3
9. 0x170a6f3941d3c39df56ee26835986ada60342c25ed1ca741c1c9485d46a5f153
10. 0x5053ceadd4070277388526757a5547f2023610e0cc86241c8cb6ddf23e528037
11. 0x0304e075f912419d1549bfc8ade89c8822e77f71f26d1de34d37e1638dc4e79c
12. 0x4a243266328b748b77feea27d81730e25ab3bb67e7d665543bbf624e2632d6d3
13. 0x1f99df47306e7104ac9c626f7183c80611a0f90b978c68f0770fd8379ecbaeb9
14. 0x8e49280a62bd5d52127f332ab6aea9d7c57381f541e0178094a62272a9d2e741
15. 0x6d86d2282dd724b1b80d031e4e3cf9ed095b746e38c9e58d933efb597daff87f
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae