Evidence row 443162

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": "2026-10-27T08:35:10.148457Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:35:10.148457Z",
        "updatedAt": "2026-10-27T08:35:10.148457Z"
      }
    },
    "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": "1.1.0",
      "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":"52d928edcf717752a39708a9d890e8bf9e20b7182f51aaf40f856d273088aee2","id":443162,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093258409700,"prev":56670,"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 2026-10-27 (273461 rows).

1. 0xf2b635494bc91b20acfdbd9c4bd30df98b44388166ea3196613626e8b3acae28
2. 0x1bd9bad868ddd3e14e2db574e8fd74df92fa196d6b47c67608f4812607f4397f
3. 0x52e334483f592f8331efab8ee2e7b5eaab057612ddd9c5639610764fbadb06a4
4. 0x1655bb277b0b34e3c605f10ebe0d055b41509385b08dc2ff6aa75404af7d0e21
5. 0xa32c597b0ecdb16b28a449af836e8ad1cb253acdbabeff47f83e3435003e54b4
6. 0xc6c1e1ad2fdc1e9dab7be76348b5e87917addfc6ccb8aa7b7ea212cd7d2379ec
7. 0xb5983cffd6d8a41455f42ec69cbfffa62fae6f66c25d76632ac9037170b3d35c
8. 0x071aafc7ac198dd9839aeca745b47a8a937037dcee055aa6e6250614f1b7f0aa
9. 0x2567febb2f7c2e15b8829ed14f89359493aafee67a36dd4be1834dc835bb43c2
10. 0x7a5eee890426b6641cf11b3104bdf050668453e657cb972314d327e9437f89b1
11. 0x28e43e19e4365cf2efadc5fbbf1bd505feed75b6f224b5173c306232c3944763
12. 0xc76e7a2a7d72384a3306a63b271737f83983bf378cba5d40efe61cfc57eb7d40
13. 0x47993ad5e402c748d96928c5127292d12f5f590d15cf544698f6bb348ad7dc9b
14. 0xce1471491ffb52101d7cd9884cca0fb37a9496f6e8250375054907d24a35d04f
15. 0x56f7109d4cde42492651beb1237c13cdcbf95e6fee2b2482391a2388e04c4629
16. 0x8745bd887f5ce9f7a49558fd2b04cdcd97a05ea9f8a23f62d0e80cb13d328b0f
17. 0xdf1105afdc109de3c09a98fc8a3864159ad964e6f49b635c105a27a1e1f14310
18. 0x2bf8151e5f157dd183b9de6fa00469551932a7a6e3f33a694895000ac9061197
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4