Evidence row 42999

What was observed

{
  "endpoints": [],
  "name": "Google Workspace",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-15T17:18:08.406424Z",
        "status": "active",
        "statusChangedAt": "2026-10-15T17:18:08.406424Z",
        "updatedAt": "2026-10-15T17:18:08.406424Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "_meta": {
        "io.modelcontextprotocol.registry/publisher-provided": {
          "com.mindstone.rebel": {
            "catalogId": "bundled-google",
            "provider": "rebel-oss"
          }
        }
      },
      "description": "Google Workspace MCP server for Gmail, Calendar, Drive, Docs, Sheets, Slides, Contacts, and more",
      "name": "io.github.mindstone/mcp-server-google-workspace",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "Google OAuth client ID",
              "format": "string",
              "isRequired": true,
              "name": "GOOGLE_CLIENT_ID"
            },
            {
              "description": "Google OAuth client secret",
              "format": "string",
              "isRequired": true,
              "isSecret": true,
              "name": "GOOGLE_CLIENT_SECRET"
            },
            {
              "description": "Path to accounts.json written by the MCP host",
              "format": "filepath",
              "isRequired": true,
              "name": "ACCOUNTS_PATH"
            },
            {
              "description": "Directory containing per-account Google OAuth token files",
              "format": "filepath",
              "isRequired": true,
              "name": "CREDENTIALS_PATH"
            },
            {
              "default": "60000",
              "description": "Outbound Google API request timeout in milliseconds (max 300000 = 5 min)",
              "format": "number",
              "name": "GOOGLE_WORKSPACE_REQUEST_TIMEOUT_MS"
            },
            {
              "default": "0",
              "description": "Set to 1 to disable background OAuth token refresh (tokens are only read, never refreshed)",
              "format": "string",
              "name": "GOOGLE_WORKSPACE_DISABLE_REFRESH"
            },
            {
              "description": "Directory attachments and downloaded files are constrained to (defaults to a temp dir; reads/writes outside it are refused)",
              "format": "filepath",
              "name": "MCP_WORKSPACE_PATH"
            },
            {
              "description": "Legacy fallback for MCP_WORKSPACE_PATH; prefer MCP_WORKSPACE_PATH",
              "format": "filepath",
              "name": "WORKSPACE_BASE_PATH"
            },
            {
              "description": "Legacy fallback path to gauth.json OAuth client config; host-orchestrated setups use GOOGLE_CLIENT_ID/GOOGLE_CLIENT_SECRET instead",
              "format": "filepath",
              "name": "GAUTH_FILE"
            }
          ],
          "identifier": "@mindstone/mcp-server-google-workspace",
          "registryBaseUrl": "https://registry.npmjs.org",
          "registryType": "npm",
          "runtimeHint": "npx",
          "transport": {
            "type": "stdio"
          },
          "version": "0.5.0"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "connectors/google-workspace",
        "url": "https://github.com/mindstone/mcp-servers"
      },
      "title": "Google Workspace",
      "version": "0.5.0"
    }
  },
  "source": "mcp_registry",
  "summary": "Google Workspace MCP server for Gmail, Calendar, Drive, Docs, Sheets, Slides, Contacts, and more"
}

What the leaf hashes

{"body":"db2f4fc328fb4a1af2b9e3f8f8d64c171276d0f4ba6d753b03582f308b5ee1c7","id":42999,"kind":"listing","method":"baseline/1","observed_us":1793025402043945,"prev":null,"subject":"mcp_registry:io.github.mindstone/mcp-server-google-workspace","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-26 (296695 rows).

1. 0xfe33ecaa6b95ac597b64e92e8f521cc4074f0bd7337a51dce61f02788426eb83
2. 0x51a5401b894174b73de89ad42512a449b21fb7bc794305ffb0eb269529e3a356
3. 0xa3803f194eef89e7aae7cfefebdb65c33341bf7cbb85d0d6e899369e8eb938f0
4. 0x394530980c42fbfce8a134e485c9bf51c5e8955f87998e81c836208f7d4aff4c
5. 0xf70991451bb7023a6624bdcc674797e14470dc681b467786eee67b79da245a98
6. 0xba8f4dcf28e9f180304da03b1d5484751fb8a1606ee22d1d825d1af7c191aa9e
7. 0xcd32dea075eeef30b2fd02f5658d4b557a69c473f16201235a75365731f84e1d
8. 0xf91936f14d272fdcbbf6c4b07eeb29ad2fa189638409c0c67c55a24aa4e528d0
9. 0x879d07ba1af2b95b1c3aaf5bb32738bbf09114433f0c4a151c6ddd6f396bc71f
10. 0x53f4adead19f010a0cb7fa8d5eab040e5cd149da0d3677578375a3b33d54ca60
11. 0xf45641bf26b2b86d9338aa6dc8640a8a378fbd786d23400636aaf30709453e50
12. 0xa1d268c111b09550fdb70b6d9d0b58c94dc828b083baa8f1360300aab6230a9c
13. 0xbee644d57738676bfb20eb90d6021f364bf883a8d54f8d17e9dc4749b4074c3d
14. 0x44945ea9ad8b24e723ad5a8fd6d014024a49531783f74ff9229c2ab6930e84c8
15. 0x68d296b1e00b4899fb83c3fba36fffaefa311eac2903067dbebfe776a12b4a9a
16. 0x5fb5dda563336cd1bc1b9f44c52b76237ae72ed2145cb9290f39f304ca7dd678
17. 0x74a0a08e4e7ab9aa5bfbead33dec7e1c7e8e364cff69a63720d764bbe987aadc

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae