Evidence row 57131

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.xdata.kr/mcp"
    ],
    [
      "web",
      "https://xdata.kr/"
    ]
  ],
  "name": "XBOSS",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-22T04:14:25.191824Z",
        "status": "active",
        "statusChangedAt": "2026-10-22T07:26:37.176872Z",
        "updatedAt": "2026-10-22T07:26:37.176872Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Korean national tax and social insurance filings, invoices and payroll data as MCP tools.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "512x512"
          ],
          "src": "https://xdata.kr/logo/xboss/icon-512.png"
        },
        {
          "mimeType": "image/png",
          "sizes": [
            "1024x1024"
          ],
          "src": "https://xdata.kr/logo/xboss/icon-1024.png"
        }
      ],
      "name": "kr.xdata/xdata-mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.xdata.kr/mcp"
        }
      ],
      "title": "XBOSS",
      "version": "1.0.0",
      "websiteUrl": "https://xdata.kr"
    }
  },
  "source": "mcp_registry",
  "summary": "Korean national tax and social insurance filings, invoices and payroll data as MCP tools."
}

What the leaf hashes

{"body":"90b37abf074d44902ac1c93b1a0e0b95c7cc4bc12bb247f78b804e4b950b64e5","id":57131,"kind":"listing","method":"baseline/1","observed_us":1793025442319316,"prev":null,"subject":"mcp_registry:kr.xdata/xdata-mcp","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. 0xa4b8cd7568f312663158912967d590f5d79712922c60122e16edf2b80026dae8
2. 0xc0cdb8b98a2dda1c0fa01c6097ac6ccebbc4943c1317a00f2cca04d7fba5e458
3. 0xa4f69fb0e88f3a368a6f07fa8b86fcbd1420981fd6ff156f48d04addaadf1cc5
4. 0xbb736db09601e496cbdf9b07535b00d2d196b01a2f1dca35384545b4e6f5fc15
5. 0x2c5c16f992bead1b89867952b8091f116740d0c643b6ca597fb8456dd6abfbee
6. 0x20f40864c0efae294f2643a0ecaec0af9a3ff50c443ccef3d73d42d9b09ed6dc
7. 0x65fe350fde1aa315c21613f6e6bc12941839f6e6819f6ccd3a01a6e96170b3e8
8. 0x71a63f5d8eebcf2b745dd0a5b5c785545a639feb9479a1056e46f7bda7e43532
9. 0xaf4f5950fc8347a659fee6088d45f2ef59c1da8b5fc558e16afa3a5361e2b8b0
10. 0xff31bd0889dd2264a5f9e7437500931910fa5f036a5cb362c19a635234298956
11. 0x63bb18928b05af339d3db18a674ec04120f1a31736f638d4e101d735122f8380
12. 0x21725c62783071369e87d9e0abedb3d8cc37bdab8d0d58308c28aeb7cfd2bc8c
13. 0xc34c13c58ba9c342ea1b833ac1882a4aea22777c4fd1092b2f83d3bac6b9f845
14. 0x428106f4ae4ec142f17aebf6fa50935242f8d3f1c211cf95d6351d03d11da2b7
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae