Evidence row 1538117

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": "2026-10-31T20:57:01.179353Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T20:57:01.179353Z",
        "updatedAt": "2026-10-31T20:57:01.179353Z"
      }
    },
    "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": "1.19.0",
      "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":"5465a7c9dce41bea6411ae22579dd6badde26b626823a935681bfa6d9c375804","id":1538117,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793481419219168,"prev":1500400,"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 2026-10-31 (246033 rows).

1. 0x8e6b6f205386a7066f232db8230738349f508f4f1cfae136e644c93d5db521aa
2. 0x57ab3d5e7e1af6f6d1b33862617bdae5075d0887cf508a307c3f2009edbde663
3. 0xc5bac4f21e37b87d8ab12e170cf968968e8e4d1354d721732be296fb23ab9be5
4. 0x9ede02c1e0e41268be3063abcc57d9fcb23fbf25360194c62be66fb36a3f3a16
5. 0xcd6172c25df36cfaffcab65223ed9944210035cf43571b0bc094e61a132d344c
6. 0x0869942b4087c143afa08e41f4bdf7e6d61856191aa5019ddcea226ce54e14ba
7. 0x77fbe9915ca59bf79b5d6a44a897cef1a5b833a52f9c8a003b76d6b3035316be
8. 0x936bd8eb78e3cd98f3e480fb934835b13cb09153b5f6f5f8fdc9b422619140b5
9. 0xe1dc1a69c98c19ee183d2a90319f1aa2183df1c958bd41d98ffc76f34ea1f2d5
10. 0x02efbab767ce6e8535288553c8d9a011c6cc52342dbfcb5df01963911710ac7d
11. 0x074100631f3869f9accd0a568df971d4f9bb56b1e88fb05df268aa0ae60971ab
12. 0xb35427049c0ec0bf3388909156a8b2405fc397caca5c71b5d546f289490e602e
13. 0x473240d96a907ad7172b60dd64bc6ec1ec3c974fbda5be4acc25be00ea94115f
14. 0x53cec9a253425d115917fd16acdf0d80665ab0944593859ce1e8b491b9693e2f
15. 0x91bc1c2b25f148b9b56bf377304983d0f2e68d0d8c3f65c9aaa8adb083331d11
16. 0x8605635b6c6bd33c6547585212170cc076018c2dd5f81f35a5ac4ade689fbb12
17. 0x50003b3c3045b653f8be4232e95e80582cf5c54c14c509ba0a9a197b9e5005cb
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0