Evidence row 1005545

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": "2026-10-29T07:45:35.521945Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T07:45:35.521945Z",
        "updatedAt": "2026-10-29T07:45:35.521945Z"
      }
    },
    "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": "1.15.0",
      "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":"6332a784b2a20f9a577ee22314d0951dbc9231db8013f91f13572b5b3cbe11f1","id":1005545,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793261581052108,"prev":800947,"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 2026-10-29 (242798 rows).

1. 0xe4db5a8367e4434ce0421ed7e3abaf26b5e85872da1f62578068baa8e331c61a
2. 0xbe2d1aa90feb3391cafdf0f262c629b7a7483034b8d7a3cdb731ac6c5ef53f22
3. 0xace3344fb42de752cc493eedc9de2db130978638ad0148260f3b4533af4d2e41
4. 0x8ce774ec5ef78a02a0eb90e442ab2ebcefcc3825f95d7dcd00219f9422d0a3e8
5. 0xe6c859cfc680d767597c2e697b490820d5ed54e143025969a599d84537103ba3
6. 0x93ad5b955cf205bf9380622f95fd227ded974da442c6aae6aed0e83be39301fc
7. 0x4faf5feed6e79ecb7e7faf6a8d640495ed3ccc1a08dd6bd75faad050339c880d
8. 0x30f95b4ff0bbe9f80f7daef834d304bb337dfa1216f0333857b458bc5de2f2f7
9. 0xf53f07b803e7de11f34bfdfd49cf0b1e78f89df9904136d4d5b87ed1b38499c7
10. 0x5934b4e7c0b53623e2c28e92fd80fe6a91a5bb7b98cb3ddd6fae797a2e6e3ba6
11. 0x26637af2ed60634c721e2ef2eca6222bb86eec9795ee7a40ca180799d51fe2dc
12. 0x247ea3a1ecf496588332a6512fba8396cfeb0d4a3b91d4a69d8c4e72801689fd
13. 0x31d9bd174da02f7a79f3f5f6068e0a16f8b2319ca4f6d9a4cd93464988b1ffce
14. 0x5eebfacb78943282482b6079e45bf142a28ccb1f65c473e6e0a90d378cca2b03
15. 0x1623e28c5fc42dfa00ec1935da937a96d5bbf27124e83666dc61efe8facbb339
16. 0xa034ebc8d117fbf1ed466b70baa0478bf213b743e1a41cba1d2da7a9f310184d
17. 0x1597ec94933260048e5e583aff1ad0fd44cc49efcd0a994091ed5db4924d7b02
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1