Evidence row 2726744

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": "2026-11-03T22:29:41.663751Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T22:29:41.663751Z",
        "updatedAt": "2026-11-03T22:29:41.663751Z"
      }
    },
    "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": "1.22.1",
      "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":"e83b26e6281d2984fe06b0c0eebfd7a951ea7bd6357ab8777b3796b6b9125034","id":2726744,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793747994483916,"prev":2564890,"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. 0x5df4c9d73b99229ad0919e69b9fed5067a12b994fc5ef4c13eba32ffda93e0eb
2. 0x5a1acf59fc5b1adb3dffa14ad673e40d659992144570d4089fc15f2578346b7a
3. 0x93f67d61ae341dbe733f250767280cca35cf7fe3964d1333947c2f0aa7aae389
4. 0x7c4ca975aa5c94a8717ecacffe35c91c06a7a787b37cf53acec1c8a02aeef2a0
5. 0x08d79013ebb3f62667da2208dbf9884aa996918cce768627f4508a25e14431be
6. 0xb95736aac3b169a314401df2baaa6e29c5d4f208c0e107e7fb4fff4f51690728
7. 0xdd1d8b976f82d42e2bb46d07759d9f5128c25af4744268b4324966231512f9b9
8. 0x33658ed7d7203cd001573b672f97e4e73436a3ee32fd3d49ea8b3b2457d4e44f
9. 0xc4b36d5f78606c6bb0ffc47ccbaa043dd1a7f6a3a269c8b050ff3768d7b9ae59
10. 0x19676b9f9d96eb4c44bfbd4861f4d1fda720fb3efbacc1af422ed3b765637ce1
11. 0x7d8e039685491349af6ac1a44b13ac3e4b2f2d8c098de80cbf95e0eb5fc847d8
12. 0xec19e0611942c3d62637a6a1a57c2124ca039abdf5214affacd64571892c262f
13. 0xd11506d8ed501b197a6bb6d1a7ace4609cf2a214f326b8692e0417707bcea83f
14. 0xbf320f90cfe280db011085f74bddf4edc26cb0f41eedc38b0fa8b8f679ad0b5b
15. 0x335134861d623e850e919233efd5afeff49bc2ffa02948458dea325cdabfc928
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7