Evidence row 3945507

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": "2026-11-07T09:17:19.710712Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T09:17:19.710712Z",
        "updatedAt": "2026-11-07T09:17:19.710712Z"
      }
    },
    "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": "1.23.3",
      "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":"97f9cc60f1647faaf588934690659ad5db5a265c7ed9983d69947f8a7bbdc1f9","id":3945507,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794043458455782,"prev":3775525,"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 2026-11-07 (195826 rows).

1. 0xaf463c6e48ef0e120128f608b7a4753503c27f9c3ec5687c66a9bc631eee0363
2. 0xf54fa333b5fc788fc1e6e7689a5afe686dc564c2e3c269b42ff544b8f134a50d
3. 0x115a98f16a121e989727ba2f4b88caccf681f249ef47d416bb57fb91538909b0
4. 0x7da263f98822d956656f3d21efb738242483b624bee440499d7b576341c99ef4
5. 0x15105c1e283f60a72d19b5fd9c69327f3085536ad21b1396b3d715824cfde464
6. 0xba46efa504daf78394009854c0d6c150c7309d9b52d57796dcb9e4132ee79588
7. 0x3d0cb766c5a3af6c4331bf057306548da4c506ea2c93cc1a9bab7c2c1142aa43
8. 0x09ed64efb4ee32750f6187139e1fc91c5cc88ceab52d71acdeb3370f33e236e4
9. 0x64be01669c0801c67dc6fae2815ad2a003c984ea3a47ff631ca37572bce95326
10. 0x3b54391c6b9d9c930e42a10f4ddb600f63df7fbf17c29aa82a6da4beb4d99826
11. 0x186e8b4e2e03b22fdbee246417a7c750ddcdacb3d2ae5732c70aa533c64bf3db
12. 0x80274d948c0caee86ba4366988f21012604aa042da85ffaa5d92de97482b6915
13. 0x7e081e199af948fbf5222d592d68f17f88800feac5a6cd0d0277d898c49a6646
14. 0x6065413194326b10c0e957a6ed77fad045c76a708d9f5e291ca690223cf2d7ba
15. 0x2afbeaef1e4de4b2a6d70326e3dc41f9f1c65d4fc46630d217fc932790b0680c
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa