Evidence row 738743

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://haitang.app/mcp"
    ],
    [
      "web",
      "https://haitang.app/mcp.md"
    ]
  ],
  "name": "海棠诗社",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-28T04:52:15.087566Z",
        "status": "active",
        "statusChangedAt": "2026-10-28T04:52:15.087566Z",
        "updatedAt": "2026-10-28T04:52:15.087566Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Search and browse classical Chinese poetry on haitang.app. Read-only and public.",
      "name": "io.github.MkFastHQ/haitang",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://haitang.app/mcp"
        }
      ],
      "repository": {
        "id": "1282793591",
        "source": "github",
        "url": "https://github.com/MkFastHQ/mkfast-haitang"
      },
      "title": "海棠诗社",
      "version": "1.1.0",
      "websiteUrl": "https://haitang.app/mcp.md"
    }
  },
  "source": "mcp_registry",
  "summary": "Search and browse classical Chinese poetry on haitang.app. Read-only and public."
}

What the leaf hashes

{"body":"459a681f8eb004252baf46cf663f4ff6f828b78baa85cc394f3985bd28333f53","id":738743,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793166080822578,"prev":null,"subject":"mcp_registry:io.github.MkFastHQ/haitang","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. 0x3a7d8e1a33469cbbf2711cae92961f666fff27ecf13b40c128530624ca245d39
2. 0xcca228750f8d8f55d675f7ccbb4456c4070a3cb40a6930edc6aee71b072b4628
3. 0xc9d8078057a1f00e343aa409048f60ff1442289d8f529eebd2055814b7bef683
4. 0xe884bdc345f3b7a0ddcaff53217f253e84aff8b0659625feeea400f3cb5b86db
5. 0xe7d2c509739018b4bd189bdc79e65415fa2c538643e6def268f719c7cd580d75
6. 0x33cfe630a4e90a96408268da7184cd1c6d09d1b81c0d0d703c3b7381ba1212bc
7. 0x0de91f61ba258f36e10a39e05cd974bc76e4895ae6ed094cb0a4a6ced236ec2f
8. 0x21cc50153d14977ce8709b954daaa8e36e3157c9e9bb407268439d083fbb098c
9. 0x27d7c2bc849387e91718dd2454ef61eecaa5add199a2ec1379fbda52fb3c88e8
10. 0xedc84cb14274d07c3324fd555373a011e2a5778437cf455d8b446e16a4c7f7b6
11. 0x9ba6ec787b7e71d5b609e76242e69605360082b6fcc0a923c0a3731d777f876d
12. 0xb749f95edf2d1f50c2cc4d0792931178f95ae24b291896727c848bfa15ba6bae
13. 0x90adeeedf0030839d1cf4653c4092b1bee2a90ffabedf937d55b4fa91e36cb1b
14. 0x7b2e5f158ccf01de5b2c0c5b723d8c5a690e0d4e9302d283bc82cd202622595e
15. 0x91690f98682e078d41b8b72edeaea70473545a876fc3baa645fc988225096386
16. 0xaeb1503e5d0d358b256ba97a10178c357ddb8f55cc961925ccf0458aae5ebcae
17. 0xf078ea7d84d98dbeffed23d8e67b36751e60464ffd4cfdc005e0aa6f8cb9b459
18. 0xe027395fafb7fc41921c42ca0542524ea22204cbd5908b70b27f3d5fb26f5d0f

Day root

0x2c19037464cc4c493624565f01775d6446fc78eaa118fc6865bfe2bfca9ff78e

Chained

0xd1d7dee8322ceff8f4c8d83aa1fe4a4466825c2af1c97dbde3d35db61234f7be

Published

On Arc Testnet, block 69584042: 0x8bae2b1d097834c8b458513862d70d29ee807e98dc2e863b27250131c15b35ae