Evidence row 3396309

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": "2026-11-05T11:41:30.6431Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:41:30.6431Z",
        "updatedAt": "2026-11-05T11:41:30.6431Z"
      }
    },
    "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": "1.22.2",
      "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":"2dc0b4d5299405fa02a50e52b04cdb6bba4937513af0cd5f9eb1c485cd83d8ab","id":3396309,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881290609279,"prev":2726744,"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 2026-11-05 (322504 rows).

1. 0x5c43fbfad5c46c767481928a722f5770a5d228b5ab06fa35179818233fc7bdd8
2. 0x0db421073c3f5884d8ccd7dc62271009596d6fb8efd34a5db91b93032fb7cee6
3. 0x6773ac7d6200def87f9df3ee263c24b6ca4d1261ebf31025513e37747c775ef0
4. 0x83ff59e12f151e6c430983212d7dc5f06e72ef1617604242586e5ee043727537
5. 0x94c70a7681694fbf3f0180464f4a199c80764aed46cc52ef6a49f05e55387780
6. 0x33089e1dd227881b97d275870db400fa3f4900fe78003e6c544e902a7335600f
7. 0x679a6b23b9d8583a8c82c5a78ad8388024a2aa41ef32f623885862ef886e7b89
8. 0x78aa100624ce95b66331422f469ac42c2c4ccde8d2abdf3e1ec083b50398c4b0
9. 0xedcd5aef047bc6fde77eff1802d092acb37a7612752d6ac33e6c820faf3b193d
10. 0xe41212a66899fc25ba1e760fa01b13ec98fb1ca292fe46a9af963be372079032
11. 0x1e268de19d798efb6681fc310cc2f05fe6839a5959d8b4ae016338179e4ac487
12. 0x8eb71c4c8ad22a2dae213578c05536d0e46fa14a03de40b0547c4114027d9d1a
13. 0xe87a0ce6101e0e2ffe4c6ae4b4ce479481e520c0524e7d43696e9521834ab9e1
14. 0xa2dc8f96b204e9ca3e547eaad92221ac78dc5f058c6959b821d49395bfe96c5a
15. 0xd1b826c1036e86032791eb321451282a424bfed64c08ff605cb756a1f89d4ee1
16. 0x01716548fb56e8e74ac29a1a638626afc662ed7e187bafcf089344de82365b83
17. 0xddde0b0de5219c91c717b03cab5216193dc0f26fb006aa8ba17020a71dbd997a
18. 0xa9caf228b42660818160afb416ff04cb014f57c4d8ee75ea3452fb76c3d8c645
19. 0xf72fe7c4860b9addb17aac4a00b8afc2f8085836173f10f31697c3d192df119b

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94