Evidence row 1500230

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": "2026-10-31T17:14:54.848832Z",
        "status": "active",
        "statusChangedAt": "2026-10-31T17:14:54.848832Z",
        "updatedAt": "2026-10-31T17:14:54.848832Z"
      }
    },
    "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": "1.7.0",
      "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":"0f67e872f33de8b176687130ec57974d33d432d6ecbabd34cd16b26ffce5d380","id":1500230,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793466975380359,"prev":1482023,"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 2026-10-31 (246033 rows).

1. 0xe19d83d412b1091ecc9bfc9fc386b55f73676b6c4e8f0b46cf32516288417fbd
2. 0xfdd32f91b22153aaaac3db9ae39bad29884e485615e16949f3f589ea1945b5fb
3. 0x61ab4d6e0ed35916222e482b506eac532558aef50602474eefbf6a41cd5e296f
4. 0x0b5af33a4fbfe69e859df6a6f5a91448d0607658c0c59c7d3fca495a430f7402
5. 0xbe71effbc5f9b3c09ded590d67d42f28b3602fd54e75b21de6ef89deed28ebfe
6. 0x572de883a543659bbb762a4efae6e1273b8b0828cdab7b5ddbcf6c52ede32242
7. 0xb0dce7b9747becf4a0b9bc0a58247620a79e7c96aa531a49decbd0f762bed9de
8. 0xef8b71e7a82a6beb9bda28ec98c20fa2f07e945de46ba041ebc758ab76d7ac29
9. 0xbd6e3850e44c86b5b60d278199a7a94038fe715b2852b11d11cc4d629e8cff11
10. 0xbf45966597e5ff2e0ab0498436843449d9d469bb8c7fe53a5187dee395fa5fbc
11. 0x6b9144eb22689b2cb9a218624665f03e973d696113526ce2cd3c7dcfd885fa15
12. 0x0ea9550e9f373c8dec8de1936a8b51ed75f30ab54df44c113b6a6335d5aeb440
13. 0x60d526447d99443d6a0f7b272c17030ae6883239064b62b145eadeaeb2eb7c3d
14. 0x7a3059496dcef49b2fbe4b5eca13bdabed15efcf3581d4792babc5647855bfe5
15. 0x84bdb388a471b951dc5c0f9fd09df3197b8152707ec67daa668ab47102c8efc1
16. 0x24f03354dcb3a621317889ed99048bdf74b380516ca991bfb585c751d5cc7dfd
17. 0xa1146af524f673843507e7427a575964580eef01bc0e0eae466a7920df017ab2
18. 0x0504a25438f3c7932125463198ca74c5064f23f71a5c92763b3fc96a98cc8b57

Day root

0x24463725d1c0d9894bd6123691d532547aaa79f0762c0e45aa6a68acf1fd71ab

Chained

0x7d4824ff313dee7252a46f9d5c37b452851deb6c9f24a40c2f74ee0e53c82980

Published

On Arc Testnet, block 70093156: 0xedb7b832f4ebf6781b5ecd2ed241c435b862f4d3761541fa31adc1831b8c44a0