Evidence row 800791

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://kiotviet.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/kiotviet/"
    ]
  ],
  "name": "KiotViet MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T20:05:04.244161Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:05:04.244161Z",
        "updatedAt": "2026-10-28T20:05:04.244161Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read KiotViet products, customers, invoices, orders and stock; create customers 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/kiotviet",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://kiotviet.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/kiotviet",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "KiotViet MCP by usefulapi",
      "version": "1.3.0",
      "websiteUrl": "https://usefulapi.io/kiotviet/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read KiotViet products, customers, invoices, orders and stock; create customers and orders."
}

What the leaf hashes

{"body":"442869ad527507564182b68e7779452105b8259b0b9bd4617a19a73dab98943a","id":800791,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218352098156,"prev":795770,"subject":"mcp_registry:io.usefulapi/kiotviet","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-28 (231336 rows).

1. 0xb8f82dbb9db221213c7228e38b4ccc93084418807d27de0f103c8a01883188cd
2. 0xc14ebc2719cc0922db713e98d290fe92bcbf06af26e97d56bb3fd5a95e2c71ef
3. 0x93e9bfcb9514e637ebd6be8980c3fdc12d379582933c76205d5ffdba639f6369
4. 0x30d982158e224dd23a988c3c75672a07362c3c1919afd230d9acb6e00f7b8168
5. 0xfd5d310eb6708404b9f6478496513ff4b3f49ef4ae063a6b0ac671170d69ee91
6. 0x90f9bbe2a7f39ac950c736506d49179481aae83016779436026ccad99de1285b
7. 0x358873bbed6c731a72c8f4d1e28eeb87dfcc37b98ca85a4867be85e182c3db5b
8. 0x0de6ebb2a0f6b076c3c089453ed1e8d9a0ab6315d87593fc4414d978ee07fba2
9. 0xeec2f7d5d6ff780b70a1e2d4873da3503e11bd155da6bf96cffed24e2b8fd47b
10. 0x5e196a3c797f79d8f9ec776367d4c9a18bdfb0b89cd91c83c51cbe80ae4be326
11. 0x55affa490e41c721fe4b63d43d1c914046f53ec931fdc62ac63f24b413065660
12. 0x4b5addc8bd51420ef27a321399f10fef2cc3fdc2a0326948b037697471b33b73
13. 0xcebf4a9e3aed292aba36cf13d3dabb64469130bf5de7b7c925c232cb853aebd9
14. 0xbff5cb8c10a36d79ad312f3729888eb704e81907920e704f80c8e5b670139050
15. 0xc21e7661f5d6220994a88cc71b1262eeee3b912a2d383d18f38a631c534bfd71
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae