Evidence row 2130544

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": "2026-11-02T11:22:55.20288Z",
        "status": "active",
        "statusChangedAt": "2026-11-02T11:22:55.20288Z",
        "updatedAt": "2026-11-02T11:22:55.20288Z"
      }
    },
    "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": "1.21.0",
      "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":"ba9d9447de641f0abc408e2acdfd301712b9daf9faa0d4cc4269a1600dd75f97","id":2130544,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793621912058422,"prev":1541529,"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 2026-11-02 (444186 rows).

1. 0x7fb583245578f14b0eebd0c0f618cee17abd1d7c1844ec9f282d0ebe06c33987
2. 0x536d07f2824016a9bd911cc9fa154b36bfdbf4cf04a58c67b451acf21495f357
3. 0x915ee9a3e9b564a0a9600e9571cf82a064160b0f7e3f122c1afa4905c0ebcb1f
4. 0xfd79ac66cd053f2339c769ff942549ab103f7d23a029c95974b7f49bc4bc22ac
5. 0x9267641d367deda2d8e5f0c35efad94b06d1045f34c0833a18e56b40c6f4b183
6. 0x6ddbe85abcfc7c0c75a6b1252530db8c6cf4d296fd2d5dd277bd120f2f3f442b
7. 0x3bd6355ec9f7b080394558f65a0896c66319ac0a7cd104644d3a51cab2c09a9f
8. 0xa7538ec6062a7cef6ff1d1b9317150d083b06020c32a40b5e6e0d942566b6763
9. 0xe838f2dc4052eddb8ba4b4cefdfd232a03d813a3b7daaa0469e99e6096a3b43a
10. 0x4e1e7f2343b74ddad58d26c0d1949e76ac6160fdc281a0a9a8c94811dedeb7aa
11. 0x764581811588359bd9675ab6072462e6faa8cba5ff8194af59ef27b453e71cae
12. 0x786080c17714171e1c289cf0aed18e1ab976b18ce2fac2a219a07d49aadcb6c7
13. 0x6a06852e71057f53bcc6c658511dcfcda03ac93f8dd86e79a4db42c8e85677b9
14. 0x5d40473873ebe898bcca4e49df524bf4345695f06abe3579f4bdb7b306b863f8
15. 0x46991481c678139203ebc3c532867ce1643c09ddc33966c4fb48bb7f033ab22f
16. 0x3b89dd05634a82075204d3c671f613081ddfd9df739c64c0a8f39081bdfa32c7
17. 0x1805ef693fbdb2c23fcb61616f830408ca89bec1dc5b68ee47a770ffc0b9760a
18. 0x4d205063c881c48edbbb37762a8d3bbb7444d4c42daa882f663a231893d25c35
19. 0x365b161a4b68d750dcc4b3ecce1154a2163c87b08762079428e68f0ebb6a754e

Day root

0x78fecaabbe319e56f5c4b80fc02e2052e198ad24781da8832a475ff65f2002d1

Chained

0xdc35957db5d1371ca382b9152878ffece28ec7c5cb4f98fd71ddb367f8b999b2

Published

On Arc Testnet, block 70432815: 0x56b814612eb2e3e544153df3e91e1f7199106d1e430c7d8c6b653feeb9ebe9af