Evidence row 3396071

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": "2026-11-05T11:41:48.75981Z",
        "status": "active",
        "statusChangedAt": "2026-11-05T11:41:48.75981Z",
        "updatedAt": "2026-11-05T11:41:48.75981Z"
      }
    },
    "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": "1.11.2",
      "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":"3ad9dc34c346f078e771dc348aa3e52cb173a805806175c1246cc4abe9300d90","id":3396071,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793881289189917,"prev":2726506,"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 2026-11-05 (322504 rows).

1. 0xec77f1bb3d07c6519861881484b0fc2fcb50fd394b52677ce18044fc66b296bc
2. 0xd9d6fddd885d00353e7a05822f0057ae514c0ac4778d2082c9bcde80c7b3523a
3. 0xd0fd2aa2d9b590c6ba26eaab204cdc405ad04c6afc7b683706cd99f21ee6b6f8
4. 0xb802f87a5bb3c6b61f39f9f4346fe25244b24fa23e7d7e4738b05fc36914161c
5. 0x9d3632b5fda1bfb38f105513bc5e9aaec8b560f287171bef91cd5740ba486fcd
6. 0x0d8716beb349462a5cd130096cc411e9ccec975519f2f84aacb58302f7e492fc
7. 0xbe038cee0db9e2359fdf7c365097aef1c1d1271974a4ba25c9227124f47b4ad3
8. 0xcd21080384077d5e59da1c44f9eb8596ceb3cea08e1bdc16cb6786e9de7044ca
9. 0xa1206521f473217636556c20899200cfa6918f0b5c5780d542e9ca3a40bb2313
10. 0xdc2977372470c08e70f9ecbd5a2ea3087ea4bbb2265a90b3fb4503f483c5a220
11. 0xbb95b14d8dd7c64908f1f9551e257184f985f2109fdab512a83d54bf9a575de9
12. 0x4b9c1a8b3c2ab4ddd307bf2a78c15fc75b64aa2c39982eb45ad6332be9a57195
13. 0x53b35126d12d937d4a8233f11b3e912279a6af8d8074654056176693eaaf1a03
14. 0xed84001e6f67c5df966efea1d4c436e935aff300dda7a7c21bfabca6d7f867fe
15. 0x0f89b13f204fe566641bee24955c02233efcbd2fce2017340ed06cf3c4c4503b
16. 0x46e57eb471bdfedc5371f9f8dd93e03a0ef82a84f79b917a40533d34f61e890c
17. 0x595efddb5b196a921c775c54d0aa541065f1802bfefb8bd003a60b16925c4b58

Day root

0x9f0215efb0252701dc86d5600ce95f276cccc716759bf112525ae863f698d128

Chained

0xc54ddff800630c6cd9656f99e7d6a61adce99bf1cea37121600598b0a9a720d2

Published

On Arc Testnet, block 70942081: 0x88f612ad94ca63af4e4e9faab9f34b665b41f03828afac1571ad013cc62bba94