Evidence row 422755

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://seoulsmokingmap.vercel.app/api/mcp"
    ],
    [
      "mcp",
      "https://seoulsmokingmap.vercel.app/api/mcp/account"
    ],
    [
      "web",
      "https://seoulsmokingmap.vercel.app/en/ai-connect"
    ]
  ],
  "name": "Piwoom - Korea Smoking Area Map",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-10-27T06:17:11.576486Z",
        "status": "active",
        "statusChangedAt": "2026-10-27T06:17:11.576486Z",
        "updatedAt": "2026-10-27T06:17:11.576486Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Find smoking areas and no-smoking zones across South Korea, and report new smoking areas.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "256x256"
          ],
          "src": "https://seoulsmokingmap.vercel.app/piwoom-icon.png"
        }
      ],
      "name": "io.github.geon0814/piwoom",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://seoulsmokingmap.vercel.app/api/mcp"
        },
        {
          "type": "streamable-http",
          "url": "https://seoulsmokingmap.vercel.app/api/mcp/account"
        }
      ],
      "title": "Piwoom - Korea Smoking Area Map",
      "version": "1.0.0",
      "websiteUrl": "https://seoulsmokingmap.vercel.app/en/ai-connect"
    }
  },
  "source": "mcp_registry",
  "summary": "Find smoking areas and no-smoking zones across South Korea, and report new smoking areas."
}

What the leaf hashes

{"body":"a6859826cd76e9ab27b1e18df754f8e099c5634e7277acf3063cc095a14fb6c8","id":422755,"kind":"listing","method":"sync.mcp_registry/1","observed_us":1793084646527161,"prev":null,"subject":"mcp_registry:io.github.geon0814/piwoom","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-10-27 (273461 rows).

1. 0x0aeb67c67d3f4b8d26a0a3fa4332ffe350c222dfc1e17035ff720360773f29eb
2. 0x22b75b6718d1fc5e31b3f302cc4cc3543224b15b021d1f7fee943f1685cb5c85
3. 0x623835af6fe3376c07e2b8c1d35cf5f5a1dc86272665f9f056e66f86720610d4
4. 0x765338e582ac30262591feeaca41932462f5bd5d1384f0f8ac752309cf21088d
5. 0x3030b1cf61d4f94a202d179350719c8b16ef377e794b010fe570d506b0a652dc
6. 0xe7326b65ead880e0fd1ab3849822cd07a420b92cb07a22803ff13cfe444cddee
7. 0x2baa0d2858f019deaab4d37a3281a7face2425e2ae6f29d9a1fb91198852d9a1
8. 0xd5e0d95b8bf90d0389dd2c0bcb0bde36e463229a0dbbb4098b552e732cac3ac1
9. 0x0b71566d473211a0e78fa32d572bb046d75715d9d3e9faf6aaaf5336042215c5
10. 0xb6a4450b4a9940eedd2b07861f4e3bb98cbc22cfb025b648245e62a4512ea7b3
11. 0xab9a818db8b8604daa1d300b5336a7ecdc718ee9de04e347884c3c2ff6e455d3
12. 0x7189e38499a0d36b6f3d244260e4b1d8d20ec79407f4be030531131834122360
13. 0x74ffd6144e8464591ea30392b981f197426cfd361178829fb8a66915e2f727b0
14. 0x3e0ec8a2a8a954695a9b53a4a48a7656d7e3fd6a8795c73b49e2ef05b201ec3f
15. 0x2cf27e8a181d60d0dd27c186c2eddfcbb4e8fa71cf66feeb55a4d730e15ee8c4
16. 0x518b93854db03dc9fc938883abf30da6eaae5ae0d4336903968fd32a7df8c71b
17. 0x22c1fb9487ee0b9732fa017a0cc321eb27a60c08450d112f755089796e12cb1c
18. 0xa20d48798a34aba12eb9c7297722982d910f06c148f5e27ac59307422964a585
19. 0x9fc354c0ea3efc3f1b6548bb77ea902a50f2c9647647ea61592efce2bd795699

Day root

0xdd77e5e99da32c3f154180d63e3c3e6fe11e896a2c6896412ef6b5c4bcf7e795

Chained

0x23bb4dfd09f55c15ac3962f53578e02c6114d5bfd9bb451cf8794fb6e2817ef4

Published

On Arc Testnet, block 69414147: 0xb2ebd83aafeb765a0ce66e76aefb133ed06606c98038fd56191e2bcd1dcb77b4