Evidence row 2546923

What was observed

{
  "endpoints": [
    [
      "web",
      "https://usefulapi.io/workfeed/"
    ],
    [
      "mcp",
      "https://workfeed.usefulapi.io/mcp"
    ]
  ],
  "name": "Workfeed MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-03T07:15:48.967429Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:48.967429Z",
        "updatedAt": "2026-11-03T07:15:48.967429Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Review staffing, availability and leave; create or update shifts with confirmation.",
      "icons": [
        {
          "mimeType": "image/svg+xml",
          "sizes": [
            "any"
          ],
          "src": "https://usefulapi.io/icon.svg"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://usefulapi.io/icon-256.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://usefulapi.io/icon-512.png"
        }
      ],
      "name": "io.usefulapi/workfeed",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://workfeed.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/workfeed",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Workfeed MCP by usefulapi",
      "version": "1.5.1",
      "websiteUrl": "https://usefulapi.io/workfeed/"
    }
  },
  "source": "mcp_registry",
  "summary": "Review staffing, availability and leave; create or update shifts with confirmation."
}

What the leaf hashes

{"body":"b477135060670e7cffef81893cfd4845791772262d22787aca28d8d568fc5ae9","id":2546923,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690351885836,"prev":2130676,"subject":"mcp_registry:io.usefulapi/workfeed","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-03 (425475 rows).

1. 0xb2c34fdacd971215dabae8e95c4932f080e155f4bd4da551fea3d25991f1c716
2. 0xed85f4df8e7125e72482abab73e4ec23596d39cde032fc3ad0566f92792a34a5
3. 0x1f990e2dce8e89847b9c1c0995a132439ef66ac31ce0c2da7a6b0ea2bd9904a8
4. 0x1548eb7b04f24ea9c3b6b0f6771464a3bc1a4388869ab7580efd19cc921e8391
5. 0xb62a1879cef92bf7215d457f5c78a4d75e959599474ac9e33f3fabab349b2c0d
6. 0x91f7de2d7d447c19a55f0fb0ce35686dfb9b0349cd5d4161eff419fb323acc95
7. 0x7165673a0246731f044f5597632d2f501b2a6ce67fd0b2e8fa92eb29cc9b0d1e
8. 0x9dfc343c97dd78d056833b63f17cc54449dfa73ded4fd54a08fdbc213624659b
9. 0x9c321584eed281c100a3cdc9a206111bd61d6b2003d51dd131eefd447f26c993
10. 0xacccf5c8558deb354066a98bf9bf63eabcc5f3aa812a15ecb25d4e6ab64f59c0
11. 0x854280f89f49ec927ae235984d0708f4692d1522a9d4ec2115a7ab56a7b7bd35
12. 0xc5a702d313243cb20e83c1b86e23fc99d953da21d2a26ce28ddeb01b69728cf0
13. 0x24a6ad148bed300df0d5c7786d9538e08bfd50fd138ab2e3058bfcf612b6970b
14. 0x1114468556630d3a65d038b1ce5fa0e558d58422878e6b91ce8c3b87e06fafef
15. 0xc0bea6c8a0da854513562c1be034edd9e23999e98182b784da3cae0bf2e3890b
16. 0xf8c1a0cdf4ba2eb105bc3e83d2f2b121cab4a34fb5a3846fa592909906f7fdaa
17. 0x39dab39081985bbfffe23b080399a9d1a9cb9c2c8960102350c4212113cb2cba
18. 0xac5402954216dc6c7020a6405675c8fc3b0828c2ab02943d80de52677a2f1fc3
19. 0x85f3a27c16056a361d9ba33355a575ca7123f86de901b204c88953c4b8ea441a

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7