Evidence row 1249819

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": "2026-10-30T12:20:56.627566Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T12:20:56.627566Z",
        "updatedAt": "2026-10-30T12:20:56.627566Z"
      }
    },
    "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": "1.16.1",
      "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":"5cdff58e0237b55ae4bee552ef48b9b99f382c6d475cf0ae0129fb8132537626","id":1249819,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793366123338156,"prev":1025858,"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 2026-10-30 (243099 rows).

1. 0x38a1954d99a3755777fd83499a26b208da9b00ec058ca299a69ed477aa78e505
2. 0xb005c6329114fb3c9f4a26990fcd22bce3cceed6ea10824b6c48c218e5a13e65
3. 0x33d504f7cc2ff803b082239ea36934c732b26e3f2ad064814f97ea2abe2aa1a8
4. 0xd0cbb8d67def416e8279fdd05c89689b7c7dab097e9bf35034747e3f09251e18
5. 0x9eae9ea7f20cd57d6e9511d388e471b64e1304b132ee8751aecc15391a6b13fc
6. 0x79332d48292c657f6dcb34da31908430bb24be00723e228609a2f96cd598df0b
7. 0xc4ad8ecafc06d226b0e4fc8eb997e6eb66d18494e2c8e9ee7c4f6537afcf8b17
8. 0x5911c8a3dcd08adeeb7adb20e3e66d5e3085866c7795026bd7f4375a5649a57d
9. 0x2bf22427b71ce9720a5180eece58585f30eee796f2b7f1c61ca90eaa63a48620
10. 0xf99c4163087ed68b8e73fb4b0e2158c56f33a8bf23b813697350b622fa6f2fc0
11. 0x00135a9032763782495006668028bed12f95b5ddc44b6bd90c216368b9fad639
12. 0xfe5bcfeb52b03efdfb61a9b7e5dbeebab8b2409f9fd23f4a3222b020d8c01f43
13. 0xd40aeec5dddc6c98e3cfc34f1a613fe9f98155096c0b5ee15e69e86720a0ebc2
14. 0x376892c50c46ee5b035b41cf6f3f7adac55e75544347e1646c5dd6be381c43a2
15. 0xd7d5c71ec079257a487d0494049c896f97cf8bf7d89a43fea539777c548c96f3
16. 0x50ca74d7c8f26a46e9c3b8fb5e7f9ebcdfdcc1b7c863db3b6d2b7c12e24ca66f
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861