Evidence row 56889

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://vital.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/vital/"
    ]
  ],
  "name": "Vital MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-25T22:35:07.197018Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T22:35:07.197018Z",
        "updatedAt": "2026-10-25T22:35:07.197018Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read wearables and lab health data — sleep, activity, workouts, timeseries, lab tests and orders.",
      "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/vital",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://vital.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/vital",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Vital MCP by usefulapi",
      "version": "1.24.0",
      "websiteUrl": "https://usefulapi.io/vital/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read wearables and lab health data — sleep, activity, workouts, timeseries, lab tests and orders."
}

What the leaf hashes

{"body":"3f8f53862bbdd560ab991c599871a495b673ffe4d4a830359314c9859a683c7d","id":56889,"kind":"listing","method":"baseline/1","observed_us":1793025441811545,"prev":null,"subject":"mcp_registry:io.usefulapi/vital","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. 0x6fe4029c8e31d69673ea432a7700dfc704e912239ad8853c0a37a2428d286f6f
2. 0x52b88b32867a9073eff60a28bd728a08bbc1798dc2fc74dc5a358d048ae0a729
3. 0xb4c4c4a941f0618d55481ab56c526255e5d12784ef60f362c76acd771385ea55
4. 0x03c49d10bf3fdbff197be45eb2ea6f75c138a16c0599be8a1de7e56ead3378ce
5. 0xe7ec83fb0ccc5eee404cfd979e79ab8a140f6dafe39361afcf913072ba656b20
6. 0x429beba82cbcb002cd7a32fa32c3f7ea3fd8ef5ea2ed60cc492d19605427c043
7. 0x1bfc5ddfb636b07b61fc815f1dd8d6867bb328b97e4a502eaa03036497efb2d5
8. 0xc622b0e4feea64dfe6a36ddd176592f21606099b9a5f4e3810f7c25190495210
9. 0x880dd3b83e54407a49b3a4717c1031e42ce21a8b91688fc932b162fcbdcbfa09
10. 0x19792535bf1364a9338820b204b05ce0f6bf3690fa1496a73e82726a450f66c4
11. 0x83da3d3b0ffc00454b09f0b6f54a0a4bb8b5fabd87854d6bb2d7abda681b5d72
12. 0x5be1d69fd9353c3a75685caffea8c98e8f079f5072011c82517cc5f365ba32f8
13. 0x14b83e3bc6587240f31cd033d09d131e0775b7b00aada9042597008a70399013
14. 0xfc9b5a81a7a83a1c735a4fe64590beb9db14d2366f463161358af28c3ea9a81d
15. 0xa2d436d488e3600b0e5c3e3ed9c9234cd52853c59830b786334fd0c4292d9f40
16. 0x47b89901b0f07938a6b9a66ddf35683903f79d756a7c7763665fd632758b08d0
17. 0x9a83be955a206deb65b995adfd92c58fa31c95fbbf926bd199d300e70b08b26d
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae