Evidence row 443317

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": "2026-10-27T08:35:03.254514Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T08:35:03.254514Z",
        "updatedAt": "2026-10-27T08:35:03.254514Z"
      }
    },
    "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": "1.12.0",
      "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":"8f6e93c6588df3537ab649daf2e966ddccaab818c687a4767bdfa1b059724556","id":443317,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793093259269647,"prev":56823,"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 2026-10-27 (273461 rows).

1. 0x23ee7fd068fec3617833b94d94fcb9b0db6be4801f9c6b9387989e5fcf71cb5e
2. 0x08452960c46877cf1928778a2207d4a58f266f08e7aed3478240badb5524db27
3. 0xb6163cd2f8c21df5d8696be2529718b82e70bd2d5140aef06679209114c0829d
4. 0x8338ac7860cb5b17379479ac2d499eb8e4201fa5d1d2adf785d0fbaed6576700
5. 0x58e01e2de492ea269118c356232d8404d53bbea73488a63db7dd48353dff88ed
6. 0x62296cd778489b108626f26b53c4ac87de0cf7496649c349b8f5f090a634b9ef
7. 0x2329b643e5d3359c9e13c6d9b68dcd3d6a84566465c2629e8815c78605c9b2ae
8. 0x441275d7c1b56c62e8713de8f04b5a1727afd15cfac23d3c755a04154e11722b
9. 0x9dd939084f4d215599195c47600f867c51d2d905bd6a85d5cdbe8fbb8b637a35
10. 0xcc3b635aa6ff475ba96afbb14eb21f771fe18361e8162f1cc45373e44a7ef411
11. 0xfd863135f9c1f207179b2582d91fd1a03f96c94cc1ab5865734d13d77a7655b6
12. 0x1e91fb86942396b9cc1330407cbddfe6048e98bde8c739e6cb5545d04c5cadd7
13. 0x1a710d4f8e6092d584b581d8599ff9183c0008f9275cf0601c925b43b4e84ae6
14. 0xe8ee6f6ed50253c5ee2d1aa85a4b1a38ce94bca7f3b72fd1850f496152dbe285
15. 0xa383a1cfe9b3f6af67eb4c7642564b9424d46d7fca90e7ba175d549f8b67dd0c
16. 0x52efa60e0c3d8525486d2310eb3b6b566c9677c64fd1f819edb072cf101bcbdb
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4