Evidence row 1541637

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": "2026-10-31T21:45:10.832969Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T21:45:10.832969Z",
        "updatedAt": "2026-10-31T21:45:10.832969Z"
      }
    },
    "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": "1.4.0",
      "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":"bb74244b124bd177a93c8dacfdeae114adf08c7cad0bc808e99f95bf681abecc","id":1541637,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793485024913784,"prev":1538225,"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 2026-10-31 (246033 rows).

1. 0x609a5e934a8b043291e2f8926ffd8d5a9b231d6f402952b832a8b38af640b264
2. 0x10d1ec223bd77f178f3be92d1e885b2c9aaeebfbd44873329316f940f0e61454
3. 0x6c2b1c036a13b38da7d19c11614ab299b8ee80bf3e2841515e3af116be1ebcc9
4. 0xbb99b430aea68e8ce8e20f8ff2c45a305bff9d522abc06e15f25b3ca81c52cf7
5. 0xf7e109c55b1a888e496b12e71a9ad4c692d814b5c9c4d6106b68e8ada5254cda
6. 0x5c2a1c992e4ea659bc9483029e917ee960de7357772390317f404e76462224b8
7. 0xbe6110fde10d14386cfa4a613043b1a43e38c8dd74b2bb85eff2acc5b3b56ce3
8. 0x6d909f2ded07582dc6036c711f3d6bab631ffaba7ed0f53516adeef223e2aa2a
9. 0x8eeb952a6b0354ccd2823705521eddc4d22fa740398bc3f0f480e5b575c8bcc2
10. 0xf41b5923248049238012e998ee770f77091c2679fec31805abb135c3801113ca
11. 0x39b759346111777300ab2ed1939b30d306505ea2ac4b91db5a13cd593af4766c
12. 0xb050fb959229ce2d2752a2e58057828b1a49fa3aa1ed7ec678a5298072e25c59
13. 0x238075122bf391de34d3a894036bb855e1137942648f00143f9a686a726fcddd
14. 0xe765fc7bdfb534be348bf6984775b8261507431e58900f7a1ab269c53c5b1e8b
15. 0xb9a00c724331b305deaa876d5d2baf53b847ff3c7ce37abb0ae1653b2534aad5
16. 0xad4540f06e3fdfe46524d8592f8d854d4849e16217bc047eaf024f0abebe34b0
17. 0xa00a931d72706fa2402bfc9b441a12eb7c6a61ff42a542916106e3637177f101
18. 0x59f83f7228f07febe2780660e422e171b0359b8aa031ee3be07e991118130c15

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0