Evidence row 56679

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": "2026-10-25T23:28:21.780986Z",
        "status": "active",
        "statusChangedAt": "2026-10-25T23:28:21.780986Z",
        "updatedAt": "2026-10-25T23:28:21.780986Z"
      }
    },
    "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": "1.0.0",
      "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":"3e6113b29e89af6f588480e4a3ce7b5fd4d0a77efc13369f8d44b8eb67247a38","id":56679,"kind":"listing","method":"baseline/1","observed_us":1793025440274267,"prev":null,"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 2026-10-26 (296695 rows).

1. 0x35d550696a0311fdfa15741df30269b83dc61b1c273257865d727120285d9a0f
2. 0x9723b913f61a0a67c5f5b990a519f3d5160cef66620f20775957434faaf24e80
3. 0xf3b7c3a0d3d3406afa37969fb7bbdbd3d773acd33a896ee7a6c89df3a539d6d6
4. 0x9a3c7328e8633cdf5007a5d66e569d772a824de0260edf226bbb74731cb259cc
5. 0xf21b953a44a4dceef98f98fee5dcb87ee003594eb9d8cd6dcec24b891a618e83
6. 0xfa8f59d272921871b12b55d6e131bb480bd0617c93c3c856378ea15b55da562e
7. 0x74bf4e6b85f929021407f430d7eadb16af7ac97fc0f1c8116008660cc608c40f
8. 0x30c89b7689ca45ec46b5c7bae31b148459a588a93d8d7f3ba2cc26806cb1e51c
9. 0xa74974835ebbfd6fc0e6af1b4e29bccbc7b37f00841c56f369617739571d0f54
10. 0x3b4b550f0a49402e225b6398198947525abec6713d355bfda590f5e3f7cbc218
11. 0x30ae64b0356d2a2933965306373f46f4bf64268b5a265594ef3370f079c19d92
12. 0x992ab7416b80cd368936c788f743fd3ea4576a49e22c75ab0262abf692f8ed6c
13. 0xdfc7a920beab71e6882e75c57bf136a5354c4ea989a35108a69046bc62059090
14. 0x4338355a835617a26aa0bfcc971e84eb030d84e2aa840e3c8af958921dd080c7
15. 0x610738e0c43687aded83c613c73de8b5226c73c375858a167436461c522ea213
16. 0x06d71bfa7d8b41d62c8836efc2c601e1cc3772d9453596b2ae4950887f3310ca
17. 0x8c756542e482157df0c36464d75c937b845e4423dbbcfad08f0cf8d5a16b9a13
18. 0x20704208aa6923d6b2450ef74ede87a6e0265d46447926038fe9506e9e154b2d
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae