Evidence row 800800

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": "2026-10-28T20:05:03.811756Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T20:05:03.811756Z",
        "updatedAt": "2026-10-28T20:05:03.811756Z"
      }
    },
    "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": "1.3.0",
      "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":"52a118ee9815fe701cbda35b2306ce04b52a7bff0316ee0dddce6c077947523e","id":800800,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793218352121117,"prev":795779,"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 2026-10-28 (231336 rows).

1. 0xceecfc10a03b7d2a2c94b39c204e81912dd733e97aa2ce6f5da56bbe931526eb
2. 0x147b196f00f509454cff2c8bd0de2d792a325d27c09bf02de64c88162c5e075a
3. 0x033bf7badbeae8a88e8ab29a9b568169b0ce5a84772476032dddf281e928a594
4. 0xf49be3c89156cc447fb7a3bcf06d3ce6c6bcfd5fc9bb65d19d7f1c4a17e3c97e
5. 0x98056ed79b3120d0b511355994125eb60ae99e9baa1b9834320c15879f697c09
6. 0xa93822c2c1b48e871a705f3fd53955585b8132ca6fc8b705d78e89078c73099f
7. 0xd0cc02ba95f3ab571c841fe78ae46ce6dda1fedc229a1d204c5882a52167defc
8. 0xb4a9251ba246a391e823347ae8af5ef57f2bd89807d5e195d2411e1f72d1cb77
9. 0x00b3a72e1f9853e2eacb6f43bf135f970dfec60e33018ae9b4111dc89c8e5e80
10. 0x34f507ae84579b546b8cb5208e53d32060f421249600f4c8c54cd3a181840c2b
11. 0xd1cb9eca58306c1b3dfb277764198d18a72b6fc6c1a57896a6cd34e2e7c3fca4
12. 0xeaa33e8507812018c8448f30dabfa2fd6280fed06ac10ddfdfce7571daaeb42c
13. 0x8be89031d5b6b0cced45d04ae5aae5212368da858631eb4f1052b83b7362a427
14. 0x8e49280a62bd5d52127f332ab6aea9d7c57381f541e0178094a62272a9d2e741
15. 0x6d86d2282dd724b1b80d031e4e3cf9ed095b746e38c9e58d933efb597daff87f
16. 0x32beeeb960280bc48748681cb10297ede9403461fe9c8143fdf946548e552926
17. 0xe08e8bd91858a8a10c46ecde9c29a6288b960987303173c5e882afb46ce91fa0
18. 0xe6cfe00ae4e02bc12327e45b5f3334ea5850ba3bcc8e3101d30a8189856a95af

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae