Evidence row 2564890

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": "2026-11-03T09:54:28.900363Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T09:54:28.900363Z",
        "updatedAt": "2026-11-03T09:54:28.900363Z"
      }
    },
    "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": "1.22.0",
      "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":"7a8f60189a003a121937159eeaaf2385843d65e92016098a75d54128856c908d","id":2564890,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793701163340624,"prev":2546785,"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 2026-11-03 (425475 rows).

1. 0x81aacd17dbde484be51492a1e575649173a3ea4cdca86a1cd0060d022b932414
2. 0x597c23bc48a942874a30c0783cd5740c1369f4824837d8dfbe4a2f1a33b65de9
3. 0x6b1908b1e594fd4c58f03eb7a4001f83fa06c4e2c817752bac5c9ac6ae29048b
4. 0xee43d4d56cc288a99515b66d203d8216b6f54009a7a664ea1f52406ca4c066c2
5. 0xc834a74816bc4cf5df5d46e5b9a84f6f6509bb4b7bd9e20b289b7071ca617c4e
6. 0x9e868c9b782b7c23354513df2aef5f0d23b616df26d3d7cf95d569483707042c
7. 0x151f7d12f3e4ff7085f0b691d321d0fbebf34193caeea67f24f4eb54dc9e27b1
8. 0xc4c905daad1da08071bccdf7043b99f9cc8b14d3df365742a6b872308f03ef54
9. 0x9100dc7ab7db16e27610c4c26a230691fc74351bf5ea15f56973e963317d1a47
10. 0x3c120d738edda85d4bffce6d68efe73e8fffe616d3f5ba630fa6afee4e9ca5b1
11. 0x383e807ce2d624fa1ed3d83bbbe9d72c278baa1868fc36c80a26d88fedfc909f
12. 0xf557875bcc9ddb4e7d71110acb137c0eceb5c71eb75ff45fdefb49929c54b670
13. 0x4607f3c9a6344785c28144331cd5f69653994a97f95db7809922902bd2d6862d
14. 0xbee84d3e599fe34053b7031286879fa3c8cfb9cc2a5d0992b542033701205b5a
15. 0xd7fa57d9cb0ff551366a474cfe5dd932be199a84a12f0b57b253725627acf8dc
16. 0x4f4b24a0a0ca0387085210387f5358e81c7f788419e50cf11713524585340a3c
17. 0x271a5f715272513f57457682f93389885577f2664b5ae5dcea924ad10a098eb5
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7