Evidence row 3414562

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://smartbill.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/smartbill/"
    ]
  ],
  "name": "SmartBill MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-05T13:38:14.857437Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T13:38:14.857437Z",
        "updatedAt": "2026-11-05T13:38:14.857437Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read SmartBill series, taxes, stock, clients and products; draft and issue invoices and estimates.",
      "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/smartbill",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://smartbill.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/smartbill",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "SmartBill MCP by usefulapi",
      "version": "1.22.3",
      "websiteUrl": "https://usefulapi.io/smartbill/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read SmartBill series, taxes, stock, clients and products; draft and issue invoices and estimates."
}

What the leaf hashes

{"body":"87a4a1a6c1a675dec55b54a35a4c3e636298b36c6bd5873b0159c303229b9eac","id":3414562,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793888499720414,"prev":3396309,"subject":"mcp_registry:io.usefulapi/smartbill","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-05 (322504 rows).

1. 0x6005eb4c87a88bb7a7f32f3a20f316f35effb983b673717411f4f86d10187797
2. 0x443546e2e3700bf17dcd6326e7dacb99d36db6ec2356f080966dbba48a1fa3ad
3. 0x2ceb79808c8d5ad6ce99b40367b9db83ef0c8da716dc107553f176153035fdc8
4. 0xd3459783187ae5d357d9910698d0215b43d9cdb837cdd4f576018f4aef02e3cd
5. 0x1d26f2ef24db414800cbf164622b75accef8a5e619ade62fe244294306066fad
6. 0x0c8dfc3f8ebc58b794d1c11cdb268a0f4fa0106abdf79db82dc64b77aeadb2d8
7. 0x949c7dac0bcfd622dde3defe04089892b5e94f102ab1fff4ced44b9135b34ecd
8. 0x8eaf0eeda3a36900e4105aecee3b42bd3f4521d71452059bda09b1a24667e115
9. 0x36a09fa1915200df850391b83918f8af6f3e2e91e7a31b7179666753940d625c
10. 0x7af9320f80b8248a57745dbc92e000f2ef6cc52d3050cd07f03250ad59d64f5b
11. 0x6a2e8c41e3a344084051912d631d2da5202518a5e9bec0eb71be8d1e800d886c
12. 0x48d388e3440612fe10e2ba8e930313ee0e71158764d278f15ccb77daf0620eea
13. 0x98caa4ab6341a38b8bf1e16922248a68f0bb42f22d71342e71490297a39d35f2
14. 0xa2dc8f96b204e9ca3e547eaad92221ac78dc5f058c6959b821d49395bfe96c5a
15. 0xd1b826c1036e86032791eb321451282a424bfed64c08ff605cb756a1f89d4ee1
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94