Evidence row 3987077

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://sapling-hr.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/sapling-hr/"
    ]
  ],
  "name": "Sapling HR MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T21:56:29.640337Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T21:56:29.640337Z",
        "updatedAt": "2026-11-07T21:56:29.640337Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search employee profiles, read profile fields and list HR tasks in Sapling HR.",
      "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/sapling-hr",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://sapling-hr.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/sapling-hr",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Sapling HR MCP by usefulapi",
      "version": "1.3.5",
      "websiteUrl": "https://usefulapi.io/sapling-hr/"
    }
  },
  "source": "mcp_registry",
  "summary": "Search employee profiles, read profile fields and list HR tasks in Sapling HR."
}

What the leaf hashes

{"body":"b80c085b65909c27c6224ab573b2ab804936b6d05b82fbdf7c0529a73780e6a9","id":3987077,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794090327212236,"prev":3958302,"subject":"mcp_registry:io.usefulapi/sapling-hr","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-07 (195826 rows).

1. 0xe81888ac46abfccb1348b46cce92ee1cd24ea2a68fc51d92ff21cb74e5ecdc28
2. 0x5bf86b25b85ffe102a6abbd9d20542add18a07a019333b81c8a7843809406c14
3. 0x6cc2d49fc14d9ee030fabf019bfa62591e3422369cc42e7b34b305651675d120
4. 0x412dfef84354b9e24a50abd1e03428b7e0ed34617d09b542a2503bc42ca6f255
5. 0x14a9920c690ffbfc81636f368c7e6a558f62cbd698350ccd852906e57fc1686e
6. 0xf664689a8f540acbc677201b08aefd64ed8843a024a74ada4dc2480f8a6c70a8
7. 0x4f6fe9215a60897d42ffb1fec623e7f2ae3db63f1dea4dfd740741e96ac48991
8. 0xff0bb2fd89e883222c16dcb926e2643788dad04c327babe0848926c201df8c4f
9. 0x2268653025aff430482ddb8c24dd604b2e56b26d7227498c138cd2f22980bdc9
10. 0x34f9e9089d3a29fc020a885e3347e01862d13fff6caf67929be9caed04a62bb6
11. 0x42ea37ff34a0945fe3270b6148f4c1c44ef5134f254cf02ab93019cbf1b22e56
12. 0xab9284275fd67eda31ddd6d2ea701f8c59fec93fd58a3bf8cb5ac7a3c7c3cae9
13. 0xe79f2ce46cab03ac264319838ae3b783a627edc1ba5fa188c7c509f21c4e4085
14. 0x6f49c61b0121647381a6cf39821f3b65b9e708380eb6ac63924f415c4db07607
15. 0xe840e410ee5ca60b9428cf31ac97ed84879fffbdab20af854208e002351d4fae
16. 0xbb3be27e5da5ccad91ce4674c6eac53275c0832f3885b89533d2be65d38f2fc6
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa