Evidence row 3775525

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": "2026-11-06T20:25:58.249937Z",
        "status": "active",
        "statusChangedAt": "2026-11-06T20:25:58.249937Z",
        "updatedAt": "2026-11-06T20:25:58.249937Z"
      }
    },
    "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": "1.23.2",
      "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":"b27f3063e36efe462c275cf5cb8590397e8d1ab7456c19286b2436a5934d3fa5","id":3775525,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794000219329455,"prev":3765226,"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 2026-11-06 (303443 rows).

1. 0xbb6fc0ec2d60bbb6e37f9f6ae3753795fa0059dcc3a50f3fad615772d6345cc2
2. 0x856892a5fd147c538afbc9500d322136a1cd63c211136a9eff189ef161bc8168
3. 0xc293df8509872219773b1944118f56a5fefaa5f7406df858fa04ef6352f38228
4. 0xa6175ca66f04c7ff33d0501d15eda055a70f88706726f149836076eca3b7bdd4
5. 0xf92b5eb069c66c984ec57c6ab6f0517f022fbada8899c202f3c7b4438d079f92
6. 0x3f0cf4b36f58127c87eac5e0e31bd5aab2ef5dab3772c32708f6702c98d0f580
7. 0xdf50cd6b2332b301e2c1542d8aeb2a2615168087bec53a8e1f5a57c0468d0f9c
8. 0xb78d8f75b0dd168ba0867b8dbee6e5273ac46ef6a529c74acd1598bc02fa47dd
9. 0x86040105f79bff85641a2b40bca43aa51cdbaf235229c56662efa5796565c82c
10. 0x26597cb973f28f724865dffd62d3475fbe30029c2034517c1d8b588758db3d3f
11. 0xc29050b21f0e64348034a6b2ec70efa8795c45162b74edb817ce7d289dacb6f2
12. 0x0d88fad01fcbfaf00d0322dbdf33a2113ddce14c949f7987188ffc532fb4d8c2
13. 0x7394662eb98e822153436bf6f7a08ebcafaa539f2bbcc6f03a91648dbf867ac8
14. 0x23b6b6bd852701ba4a17fc526ab600bd25964edbe01b5117d675c3a9459bb7c1
15. 0x4e2c85f79c29b95d6dfb888e9d12396c3d7208dc05aa6a6d68fe77cf5be30da5
16. 0x4a5b4dca6c638b7872bc6485359586bebc62511ba2776f1ea54dfdaa4d1a511b
17. 0xf19d501fdbc28e10c3244253daf0c37c4752659eae14a7cba585a18c7df9ce0d
18. 0xd422a75f6c3780ed53eca52b50bf40b8f17dc14cffb804142e44fc9f2672029d
19. 0xc0d08d48601d1be90bcfc025e66bcaa0030120d688dd9c919b36c2c4446f4948

Day root

0xb30ccefe7182c6f767e1fcbfb5f64ffd649da831f665f65c5ff39cd40512284f

Chained

0xc383f7ef68d2914082484765aa09e42c12c59a74a096ae64127c562618c506d3

Published

On Arc Testnet, block 71111178: 0xfba13cb7ee4ada7f2fee3702a786a2201596be2ffea37dfc281ab4c8e9942fe1