Evidence row 1503270

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.handbookhub.com/mcp"
    ],
    [
      "web",
      "https://handbookhub.com/mcp"
    ]
  ],
  "name": "HandbookHub MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-31T17:31:46.740578Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:31:46.740578Z",
        "updatedAt": "2026-10-31T17:31:46.740578Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search and read saved employee handbooks with scoped, read-only access and policy source links.",
      "name": "com.handbookhub/handbookhub",
      "remotes": [
        {
          "headers": [
            {
              "description": "Enter Bearer followed by a space and your scoped HandbookHub API token.",
              "isRequired": true,
              "isSecret": true,
              "name": "Authorization"
            }
          ],
          "type": "streamable-http",
          "url": "https://api.handbookhub.com/mcp"
        }
      ],
      "title": "HandbookHub MCP",
      "version": "1.0.0",
      "websiteUrl": "https://handbookhub.com/mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Search and read saved employee handbooks with scoped, read-only access and policy source links."
}

What the leaf hashes

{"body":"b0727a6cde568ebf343ef9c1c44c32d17f161e8a7c2694e377dada829c2bab86","id":1503270,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793470580859541,"prev":null,"subject":"mcp_registry:com.handbookhub/handbookhub","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-31 (246033 rows).

1. 0xf8e8cdb98a1bca80d3bbb94b4a538f9404353018f31c0492bb0c975a447f502f
2. 0xb5bd60d13762dd80f756a5b78a8f3f2d012e9f78b96f52230895197b222a9161
3. 0x3540ff48e1091c17ba2bbd69acf2368d1fdb7bcecbb0e4cf481b63daf0275f03
4. 0xffc7a6115c0d8856b02e57dd246b774db90cd8c88752d61fba17ead57aef32d2
5. 0xd0c87556e6a4b3c16a21428201ac14f64b6b64ca84de0b3542a6a47654bab861
6. 0xb7b0e8918d6ebc2a83d192dd0f6c571a2271e50d180c619780481f2d3e1ad254
7. 0x2e969f434971fd828de36a21c46cd575e78248a80674484d0af53653b4ff13c9
8. 0x71724a9a7ad8139e48d6999cfcdb3d676e2206d8cdb3bee061362bc26e0e9f2f
9. 0x0b07d4b61f2b5a9360bf7a922fed2c9e0c7a9399de57a1994e0affc59508496a
10. 0x29b4fe41ce5e9ef76617bd4342a86931181e437581d3407a408ac573b69d1e61
11. 0x57d04e8c0dfbc48ed42709d97edd65eaa6f019b6e775d93d626d53b8f8c8fb39
12. 0xe88490f2b8597b4ba31fe5cd2844c81e5da21890cc3a4b4c1dadbb6a939407e7
13. 0x6c4324d3edf63f1c5818a600ecde74e6316cc337c4218b73b366a817b8e059b6
14. 0xe2a6611300abdb7312e664a37fe7f1b470ff8ebe48733a7b7064c0db1f012dd5
15. 0xe9e97d8cdaf19b6da06606a22b4eea548063df6bacb661abea4c37aa637b5c3b
16. 0x4befbbd74452b2a3a89b7e1e809ba011f1be78aeb8153059503fda47c454d086
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0