Evidence row 1257805

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": "2026-10-30T15:16:03.875642Z",
        "status": "active",
        "statusChangedAt": "2026-10-30T15:16:03.875642Z",
        "updatedAt": "2026-10-30T15:16:03.875642Z"
      }
    },
    "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": "1.16.2",
      "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":"03b35fc42f5ca3baa2a234ab6ae002a0954c0654ef82b9f46b4e13272c24b3cc","id":1257805,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793376930708529,"prev":1249819,"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 2026-10-30 (243099 rows).

1. 0x0d29df3bd96ffbe29f03675488d2c5c585112f8e4945bd5b7dc3aa6a900caa6f
2. 0xe415172a9a7763854dfab93ac53a3b706ef3dbcbf27116d37827f18babd494e3
3. 0x71ed6fa33ee4c71488fa10f6dff80bc40f2c11afcc460f7fe5cbb38cd2d71df3
4. 0x99439ffbe318d6c9b1c02fd1ceee019da8a9081a94c81a881fa6f0a088189fce
5. 0x22d03c2db9894e3242aaaeaed2f031fb48dad661c0336c0f43a4bfa8f85534c6
6. 0x73d0d513bdbd754e896342f19feaa137c78940ed84529b30c62f67a92d68cbff
7. 0x1219b8a8515a30a74c5fca415830a62b09160a7840479fa719e758af70286446
8. 0x5194599555045471ff7c67860516f79fe81dc87ffe410756a69ead5c27d2007a
9. 0x7ca5c2aa908040d2e67570ccb451cb7dda88136e8be704af6078bb61dca14a41
10. 0x5ed3e548b5b20108c054036d4e8bae6a6b71f11027e772904dbcc4b7a1fca968
11. 0x29c08d2a204d863817129ffdfcf2ede5801880b2fcb1f576b57ef9bc30e74283
12. 0x76b747b413005e35892132851239d7e377c57980aeac62b425683a8406e94c45
13. 0x02b6f5aae7adfec888ccff919c6542cbe38945db1e9f845ec025a65f73f99ee2
14. 0xdf5b016e08f93664d06694a7722324dcb27caedd549f286f07d4b4798e0c706e
15. 0x2b7a05865245feaf40ea40b73e02d86357af2dcbac9c7b992f1420f5eaa15246
16. 0xe2a9872e1b6a01c55a7a8cc5c05c61f3933255db5c26b9c79be4011d28685b52
17. 0xb0c9ef42e725578748f3119c9dbebf2fc437266bda013df29f98ed3ebe621403
18. 0x30a81d8fcef4e8f9e2877c62796cfc5612fc1b251127d531dee28f8dbd5c5147

Day root

0x0826c7ad6039e06a2360ca0a4a3a4fe7f2626c6dc19f71a37599386f78b39875

Chained

0x36b4c8a1063758f0b8765fa1bdf75fa92fb543cc183add3e261880ee2bd1f822

Published

On Arc Testnet, block 69923247: 0x8704744146c6967c8abc9e9a99de4db7283b29e840922ea83a69b6fe776e6861