Evidence row 1005396

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": "2026-10-29T07:45:40.585853Z",
        "status": "active",
        "statusChangedAt": "2026-10-29T07:45:40.585853Z",
        "updatedAt": "2026-10-29T07:45:40.585853Z"
      }
    },
    "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": "1.4.0",
      "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":"f49ac341381795740cc8fce7a08d8537e5328db7e586a4521621680ffb5c7337","id":1005396,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793261579903989,"prev":800800,"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. 0xaea83d6c7d40978132ec140d2f4091e2c5ff0bdbd6af2c0300777b4601e23fa8
2. 0xc61a852d841619cfbc216ad48e0da400b1f3004969c70589b3e86f5d52d06596
3. 0xa46e6b965fa10ff0e4d4aae37c6330016b2943798c14047024796d17b7dc769e
4. 0xf6a960ddca56de9a383975a909faacb96f5ab434929b840fd60771ad873f0192
5. 0x5c5eb4884bdac5dad460864d99dc6b6cd2bee4008b1691263b90aac5b1034d29
6. 0x88059a7c72c374bab8664503c3f75bfedb0c2db592cd19b85132c1f34922246d
7. 0x6b13cc3b9f5eed433bbf3b148e636952dc35de8a4e04df67c611b5dbffbdfd1e
8. 0x4364d6c150c5358bb40d86c6e6e2fe315840867040f237ac5d529baac6961787
9. 0xec139bdf1f40fb1d78d2766a7932e38cdf4e24c703eff56522ee2ed734a82b89
10. 0x0d7a5befc977e3a1cbd61c9e2410843b5e497e16b310f2a87adb892046875cf1
11. 0x80e111e92d7a8f6b7ac8e6b866c916af7f64e6382f70c961a2e94ad89c508393
12. 0x895e900de24394476af43fc0b1bb5e6d3af452e988bb74cf1788806bad7c3387
13. 0x30dba3897a2e6907174b0058b94302f9cd01c20ba1fffe70ca722237279171ed
14. 0x585b1e0c9b8e6cc02683a3bcbd6f86329575401feac9ee51a7efd21ed87f7ed0
15. 0xaa1d19094c2ce6d011a3c40533fa7efee207719d6c482ffc47018b28e5518acc
16. 0xef5d5572aac8f06b61579b7167b369fcb479d9027d4037dc9cacff9e3a26ffd2
17. 0xa1fa2e97e71ad6e802f325afd74bb7095901f2060529c9739182a1233f8804bc
18. 0xe01539ac4c9f9cdf265a9e5c6d99c8da11e70ff0c7175fb23e402d33b9d79785

Day root

0xc050555c6b023f2aefb6536efb9f0760b92c30a0d06c572b7daf63db259ea17c

Chained

0x4cde8bae2042512e1bec11650628f0293556311cc4ea74d99ffddf02b671a7d6

Published

On Arc Testnet, block 69753317: 0x9e85c340732f416e431b111fae72f7624870125f7f379af2732eb6c2ba8cf6a1