Evidence row 2546785

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": "2026-11-03T07:15:42.504457Z",
        "status": "active",
        "statusChangedAt": "2026-11-03T07:15:42.504457Z",
        "updatedAt": "2026-11-03T07:15:42.504457Z"
      }
    },
    "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": "1.21.1",
      "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":"909bfdff694b49f08a4b5d3bf7e3f8243d671e1db3f37e093eb67947e20e97dc","id":2546785,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793690350483203,"prev":2130544,"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. 0x58267a35a1087e815cd2e5c0c1d4f3c01252eb6d7f0c23e19b747ca0f94b52ba
2. 0x14d8b6760a8067a88c154f6a33eb50fe9030366a6772c93ffcdc536a57e8dffb
3. 0x9b2d494ced24642f27b3f49a2e44c303ff5930de98205f2af5d0693dd5f42a21
4. 0x766d33c193770fa02b2508c1fc3793458aea636f58fe3a73111b4e04fdd79c4b
5. 0x205e73de14e1080b53f7e7deb2ac0c13578fabc8913092d7baec445dc89bfcd9
6. 0x5419c9addb2bd81b9ee8cfabb93e49702a8065e094a9a7e14915ee15510c30f9
7. 0x806b2eb8ea1a67b2306f879bf98cb0bc9c20cfea24a68c15fb94c4fd4a7af82a
8. 0x4c4e82490457ebd3e5e504c7ddf0dfa330cc09c3b351e44c3132002e61bb769b
9. 0x815fbc3e6c3a1e9aa41295572408fa5a04b778cfb1c2daf5a3df55709bdeff7a
10. 0xd00844a65971f751ca7a4c20060e33784031e0a914f823e3dd3a08819ec3724c
11. 0x1909bdb59ec3e8c968e105cbed8958f1246e6d384f479b3497e98dd0af10201e
12. 0x70d65606720a65c49b64703ea697c1212a08e2d8eb236d9037e716b053982907
13. 0x3ac62fcf3380a6da35d0b46e086a6e875d80896d818cf88fdfabb69923404b5b
14. 0xa0355815fb68405edba1fd1bafdab2a650279d2317deb0f4dba32a14a86d8ec4
15. 0xda5db54125314643afd2553cc06bcc66d4fe0ce60c8998f4ce0b19c465813b51
16. 0xd3872af0d8c282b0d088e008b24701ec7576ad8e40ceab245546a2e300818868
17. 0x3ef2d6c56d2bc5990e646c07605e90ed24d1c642cbcca8f60a35422b8b7981ee
18. 0x717b5d7cbc24826c5b1f7b7433bf30b76e9ba1370476af4e1b494a5211897cc3
19. 0xe35032d4b064b015fe60638756eeb0bc24e7c7943586468d33349341ee0ed3d6

Day root

0xb646ffa569e24bf8336b0a15a9d98d0a2f1239f58e10c2b18a9d22e43343566a

Chained

0x35e926359fd19031c6b5e08fb3b44f2524386a57c8fdd353336c185603f53d43

Published

On Arc Testnet, block 70601990: 0xa5f9dadba13cde129126b950e64b815e6833cb8ff53b75026c9dbe769c3768c7