Evidence row 3945522

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://sos-inventory.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/sos-inventory/"
    ]
  ],
  "name": "SOS Inventory MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T09:17:51.668431Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:51.668431Z",
        "updatedAt": "2026-11-07T09:17:51.668431Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read SOS Inventory stock and orders; create customers, items and purchase or sales 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/sos-inventory",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://sos-inventory.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/sos-inventory",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "SOS Inventory MCP by usefulapi",
      "version": "1.7.3",
      "websiteUrl": "https://usefulapi.io/sos-inventory/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read SOS Inventory stock and orders; create customers, items and purchase or sales orders."
}

What the leaf hashes

{"body":"567796377197233f2946115fc2e00671bff9c6f913af4501d4c1c541793ce6c8","id":3945522,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043458638379,"prev":3775540,"subject":"mcp_registry:io.usefulapi/sos-inventory","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. 0x504fdd3aea9b0edee6a9ad7c70fdd9802ddbe43ce781ef5a5e7981bc21b181d4
2. 0x2cc0cfd5b71224a377a0a99dc483f9d607731fcb40d51710ff00308d7cd8008b
3. 0x8a526cd557e9bc2c401ea38f32f6849f230f9f131be646c81264c99a38bca74f
4. 0x04720332056e84066a5c247e46f03768ce651ee62a7c04a7a764d5a5499dac11
5. 0xbb22db8dc637ec91c2397ebbc74da5f14ec9636b77502581e3ed6394901cf911
6. 0xe29220c94f899c466a798c2e714105be3f8a7d727c803efd18c34cc846d9dd90
7. 0xba3630d36f1d8f8b9f161ae45e9ed3735c2b02b3006ae8444f1c12f939ba3d8b
8. 0xff0919a0964f3f6ed785355997bbb05bc47143c73a980a6bb1d08b2c5151f46b
9. 0x577019d2b523ef5e100a369b43291f902052b9d24fbf1b3c89ebdcbc1858ff96
10. 0xc4719487b8f56368ea7cd36c735a75ed23d7c1608853d43b32f4b2d4b7cfad16
11. 0xa191e66fbecaa0f796995a1f70da6615fb5ff713a6b2682ee24792cbddc62d0c
12. 0xc9c30027da6a1f08b5b880f5e0e6b8705017580d111e182bf33863e42bb0dfbb
13. 0xc4120aeb12547f09661af6703e81437a23bd38ba065b3075f70bd20e35771d53
14. 0xd65824e287abd80d02260ba918668ef1c4c1d016243891677bfc31ebb1eb16e7
15. 0x1440bd4864ece4f3cb1a2fc48e88ddbd78cefd359ae16ceeb69a13e36b55021a
16. 0xf0a56561418cd0342a328707933cc222d8fa725efff7ffd081e0226ee8c46c0b
17. 0x54292a94f447f1fd33c01b5c99da465043f11022958626a2ea562c457fef697a
18. 0xff23fa8a9de3f957315ef0dfe7e8d8f6b1a51dae05fef7615c59794e019ff05c

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa