Evidence row 1025710

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": "2026-10-29T12:34:29.458421Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T12:34:29.458421Z",
        "updatedAt": "2026-10-29T12:34:29.458421Z"
      }
    },
    "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": "1.5.0",
      "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":"a32017cf201fac156f1a3f71b68171c3bbcd5a92817d546f86669fd1da0ae4d4","id":1025710,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793279590173248,"prev":1005396,"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 2026-10-29 (242798 rows).

1. 0x3e1450dcbc5a51473176ac52a1146f27ff89c370fdafb2dd83605eface9e37c5
2. 0x6bd9129a9405767e5ea59a1bd0a11838845ca89ab5793693556e6831d51f02e4
3. 0xc7ca8cb68b22e125dd123bfb0626f36a4bac8e8b01b618904fad2fe338786bc6
4. 0xc3a13ced3311b906ae5d03424275107b0449923a1d1d1222c42257696a30cdcb
5. 0x5dbd7d673bd22f22a94087732ad3443f2c6a9c2779467370206e9531730a73d4
6. 0x04ee383f8fbb28b9b67fb213288d408e0dc45907866842e18a82dd3c7bd9ec8a
7. 0xfaa263c33707f0b4366030a0f7e3b6228be769b5941bc2df4e255bfb6e5d2e3f
8. 0x529cedccfba3efc8411f635e2ebc576d3892c432a3df0259287d67131d09a874
9. 0xf1ca4d4ec086fc4a75c32b98c3f6d0309dee530987208f10eebb72fe1535da17
10. 0xe04f734198f0803f37f7288a9df7052e04a153bdfe9581bf912acc564e6f4c03
11. 0x4b7a1735ce508be7f1380aafa435b4ef528fbc9bdd185937767a44c0ee8fe1b1
12. 0xc9b2281e71b9618ff588d4b1f9f066722a3518175e923005872c17568e1670ae
13. 0x1650f053e7c17563e375049a822d3f2ee03ea31ce2893a0e80a48747f738f1ca
14. 0xfd10c7ee22418679d618a048206ccbf1219e97c4af44a5180884b0b3d02c18e8
15. 0xa03bd318a195be3bd16f335c7e189443bea4f1f439087a7ac19afec9fa97f9be
16. 0x1c3764b490d23b94e5ac838c89f8d3850dedb0819196f367da2479c7a88bf2c0
17. 0xd76435ead496863d8b0bfab3434f54cd11da3c49d104fc4064b9cb3381567bbd
18. 0xd56e61af23709ed9f460471e3c08400c0142ee83e1fd9057e46350d12edf9c07

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1