Evidence row 45177

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://hack123.henryht.sh/api/mcp"
    ],
    [
      "web",
      "https://hack123.henryht.sh/about"
    ]
  ],
  "name": "黑123 Hackathons",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-14T05:36:29.625629Z",
        "status": "active",
        "statusChangedAt": "2026-10-14T05:36:29.625629Z",
        "updatedAt": "2026-10-14T05:36:29.625629Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
      "description": "Read-only search of hackathons, team-up posts and projects on 黑123 (hack123.henryht.sh), zh/en.",
      "name": "io.github.onehumanbeing/hack123",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://hack123.henryht.sh/api/mcp"
        }
      ],
      "repository": {
        "source": "github",
        "url": "https://github.com/HenryAgentTeam/hack123"
      },
      "title": "黑123 Hackathons",
      "version": "1.0.0",
      "websiteUrl": "https://hack123.henryht.sh/about#mcp"
    }
  },
  "source": "mcp_registry",
  "summary": "Read-only search of hackathons, team-up posts and projects on 黑123 (hack123.henryht.sh), zh/en."
}

What the leaf hashes

{"body":"fa606c75fb49f7bd525ede8234aacf301a087dafe61ce61f5bd496684e44e47f","id":45177,"kind":"listing","method":"baseline/1","observed_us":1793025406069810,"prev":null,"subject":"mcp_registry:io.github.onehumanbeing/hack123","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. 0x7ed9f510925f5d445860d5c51f5e6560326545dd673ca6c01b8b8791d62255e7
2. 0xc445d4ae72a6b2ff37ef240cdad2f12a7aed4e9cbcd908eff7b46fe6153ca5a9
3. 0x747b9ef04b3648e77d3693503c876d26eb52f43fd322f6db5e4a0335fd33387b
4. 0xb88ac0a7d0c170e18e1e696f5b8f074ea14eed72e0d26ea279668a16ca123741
5. 0xbdf55c76eb09bfafa58852448b39dff63551273536d65832c1f24306ad7418e0
6. 0x31a6993c86ff375d248ea07b0eb60562c2f201fd07e58176cf738ef94fd8f534
7. 0x8fb114274772c6006565c285c7f3d5af4323c1ad9db71495ff02c72b2bb779d5
8. 0x7212cf7b38d97d91a656abad162c61da0f00bea3ac8b4c97a64e322dc9e4a0ec
9. 0x73fd4a237a0f3d67fd5a662dc540e200ad081e567f1d604d231e1404ae13d75e
10. 0x75fb43d121b0c7d36d6ce3843de524bb5cde5e31bd50964f1eb46e9e4d22df1f
11. 0x86993f34ffd04a19214c4b442a83218e78811798750015024990bf574868d9e8
12. 0xab729e4203b650f2a3c15efd6fd44eb2482232373bc1de662fd9d496869eb2d3
13. 0x0bffb634300aa5609bddaa79e8d31d7cde36c0a5a4465472f809b9f5287e40d2
14. 0x7721d38652b6444b18e1193824e50490ade04851ce6221771f6e374c4527d80f
15. 0x15039087bf60ae9b06b756ec3cbc299760e59923a438bbd91e34d105186db0ed
16. 0x2b6e23e3624a1b66e1d2298cfbce99a93ce6b13d24a58112a71802d79c5f7a76
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae