Evidence row 1538225

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": "2026-10-31T20:57:32.683073Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:32.683073Z",
        "updatedAt": "2026-10-31T20:57:32.683073Z"
      }
    },
    "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": "1.3.0",
      "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":"29c288a14c781f4417a91998a20035ac4d3c776c04349a21be2e445216a5b6dd","id":1538225,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481419773860,"prev":1500492,"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. 0xd713504cf773109eda21d446f9c45844f40379d830c33d315be66ac088665b6f
2. 0xe06dae0676f1a12b425955f0d2bc31390ad8656ce3f691bbf43b6017360ee9a0
3. 0x026aaf2e0d60f8eb4bd2696464b0ab743d857d13b9f074322413389a841e1c42
4. 0x1099d85c35bd3c35b4d778bae0f1cf151d8c2a3a9ecf9b17cd1710532f79ea60
5. 0x50bf0f63b81e46abc57f69ba75e0fb647b50331dd860b583c97dfae6c83472ad
6. 0x1b4ab590406a521a1b8c56f7ec42a36255a304151a006b26f22b8f3f5fa10888
7. 0x40fd0bab8bf6455d4e86bc2eaebcc18b523555fb3b6318e0382b7cee2ecc47b3
8. 0x3e754f1a3ac48a13f6e98fbe613ecec871b2cd18253d44a7451c6df2f7edac4b
9. 0x97a410eea9803467e3562cfe23e4093223bba3908e212d2bd966d0fea2d8fff0
10. 0xd996c2b6bf12b7475d4b71fd647d7e5836a1f5d67de5fa4c3a5b92e5f619c569
11. 0x4a90fcb24756a754ba4eb566af376bb1130d3d4a87f66b0d387e5285a502fdab
12. 0xfaeb784ee9a1fed9201fd5687a4ab850f14d2567f61babc476c53d2d7aaf0a37
13. 0x038a2412ec8e3d4a12539a306e922d37b7bcdc9c06fa088d9b6af9eec134421a
14. 0x33d6b05cf42539c0ad2d9f9d3b99e4003beca3e59b45affa3d20cf6d400d4bbf
15. 0xad3f03d7f9e1b66264ddfca29446faf13bc0fee7d8eec5f018d0d45302d3f8fd
16. 0x24f03354dcb3a621317889ed99048bdf74b380516ca991bfb585c751d5cc7dfd
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0