Evidence row 3958110

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://laposta.usefulapi.io/mcp"
    ],
    [
      "web",
      "https://usefulapi.io/laposta/"
    ]
  ],
  "name": "Laposta MCP by usefulapi",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-11-07T18:04:25.772393Z",
        "status": "active",
        "statusChangedAt": "2026-11-07T18:04:25.772393Z",
        "updatedAt": "2026-11-07T18:04:25.772393Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Read Laposta lists, members, campaigns and reports; add members and build campaigns.",
      "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/laposta",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://laposta.usefulapi.io/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "subfolder": "servers/laposta",
        "url": "https://github.com/m190/usefulapi-mcp"
      },
      "title": "Laposta MCP by usefulapi",
      "version": "1.12.4",
      "websiteUrl": "https://usefulapi.io/laposta/"
    }
  },
  "source": "mcp_registry",
  "summary": "Read Laposta lists, members, campaigns and reports; add members and build campaigns."
}

What the leaf hashes

{"body":"f314c912ca4240bc192b84bbe7e3bc8b5075204245cb1630f4e335b0785e75df","id":3958110,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1794075899289179,"prev":3945261,"subject":"mcp_registry:io.usefulapi/laposta","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. 0xab85f8f038ed18d7ef770159b2f405843f09e48cf9a57fc29843c550fbd7e8aa
2. 0x2cdcf40ef93b4c9aed374f729f9da5543aaab9b181ebb10e8dfd52f5875d7053
3. 0xc7261021ec1cb6e5be937946b75b9183526b4068e7a22287defed3d41b8bcf55
4. 0xa00927243ed4511a347373bceccd19a4ece290b3b7e08dcc78858782ada13cb0
5. 0xdbc8f61ee2447efde8199ca85abe704ff6333a09923f99352e6b350411465aca
6. 0x56a050896cfcc9748c2f975e1e4d2c194ef90be17b8107b0670cfc68ff01cd23
7. 0x3d347552e24783223900a4135fdcb4c5a18cf5e3dcc5809164fed0ae17ee7962
8. 0x1fb0266e1cc224807bd4574fa6bccd50b2b4b09d9116652384bc9b2acaaeed25
9. 0x73a7f032ba65408c84c597c27c46d55ef692c20179f2e9e9a3b76a43b63f289f
10. 0x05a234cdbfa1eae1465bff3952c5a5729ba7e10392e2a32b34fa6091b32ae2b3
11. 0xfc197da60d7404febb735ef22af89a2df3985cd4b6308eb5e3a7b0d3f805240d
12. 0x360e6b2f627d4e713512b9960fdadba79427cec31e9eae57e3c0173710e3119e
13. 0x7e081e199af948fbf5222d592d68f17f88800feac5a6cd0d0277d898c49a6646
14. 0x6065413194326b10c0e957a6ed77fad045c76a708d9f5e291ca690223cf2d7ba
15. 0x2afbeaef1e4de4b2a6d70326e3dc41f9f1c65d4fc46630d217fc932790b0680c
16. 0x3235c8a33ac14441f1a12a6515f670286d48b48fa98eb1dce45d902e053abe01
17. 0x9ea7c2ecc6985da4b761b0f9096b7858b3ac8e3e47717c3840537fb2ff31c6df

Day root

0x17da9e85e1b138541355d33543ff34e3503cd3a49d37728fb53643e2a0416a2d

Chained

0xed34bd4af17282643de8cb9591c84d0aa1b39e1e9ae9864941e543f5a15718cb

Published

On Arc Testnet, block 71280839: 0xc3f6784179e0ca32236ba89472473e882a81d03fcc5ce27ca58ded2e01e112aa