Evidence row 56054

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://api.pingroom.io/api/agent/mcp"
    ],
    [
      "web",
      "https://pingroom.io/developers"
    ]
  ],
  "name": "PingRoom",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-01T09:23:36.925113Z",
        "status": "active",
        "statusChangedAt": "2026-09-01T09:23:36.925113Z",
        "updatedAt": "2026-09-01T09:23:36.925113Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "Send mobile pings and route human questions, approvals, and handoffs from AI agents.",
      "icons": [
        {
          "mimeType": "image/png",
          "sizes": [
            "400x400"
          ],
          "src": "https://pingroom.io/Pingroom-icon.png"
        }
      ],
      "name": "io.pingroom/pingroom",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.pingroom.io/api/agent/mcp"
        }
      ],
      "title": "PingRoom",
      "version": "0.1.0",
      "websiteUrl": "https://pingroom.io/developers"
    }
  },
  "source": "mcp_registry",
  "summary": "Send mobile pings and route human questions, approvals, and handoffs from AI agents."
}

What the leaf hashes

{"body":"2903e8a7e5d027c44828b57d532d81ba4a210a101166e4210d30ab48d8ff74b6","id":56054,"kind":"listing","method":"baseline/1","observed_us":1793025436450225,"prev":null,"subject":"mcp_registry:io.pingroom/pingroom","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. 0x9c054ef459e1e1d1862391192d76e60b54b7ecd44c4d435a255965900277d833
2. 0x3f6ab952dae971bd1c9c66a86ec80306915f2387628bb82772b2844c22e29987
3. 0xe26759474633ce725195d2129473eb956ef58947eb37b040e1b82290cb6e91df
4. 0x0f57305500cf24348f3a47347bcd3148dbbdac83c48c02a5ec0766687f3401cd
5. 0xc16a5b24c3e925b980944f12f6c8e0c6ff86d6473e1d8095cf7f729488df0c3f
6. 0x18f6f1ae690f5e8c67592576e1bb601fa031473fe0fd1bcdf8508722496aa467
7. 0x60d359c1c67d8c532b8ee52eaf13f147b15bdee9bd2f1456f4909c298683d852
8. 0xf7e4d5174114be53b31e719187eb16e7768e427d1137ccd1d68cb68cca7faa61
9. 0x6ed3498d68754cd5612ca4de245ebb82cea9cf9210ccc5f545ee627e71912c9d
10. 0x5a1f256cf13b45bc022bfed6d7f60b9340951c3cdb79185c1910586f812c10f2
11. 0xb79ffe067e46a7abdcd59167d8556c652ce9f0f297fbf7808095f49485591c09
12. 0xd253212b3d5f7245423cc951067880bc2069b90eeee521363fcee13ebbd606ae
13. 0x99a4e0f8b23989f58b564c1b6e419578b4388f6e0dbf6e50177c1bd476302d0e
14. 0x6713795704ddd9c528d421fadd9cc96b0200a4ddbba84f88e718d4968dde888b
15. 0x62a900133713919f4eed33d8336876b7a6d538233b8a4f3ed03b29aa44f5bad0
16. 0x1ac20d30773e1f4f2f811540e9a99b5cca9177c9e2e029acc0d80cf3f1d11f0f
17. 0xd21942ae3214eff88e08ab04884fd4b11958b51af9a0741b7668e2d07a2c56c9
18. 0x9a9024edb5069d88a324facb310a5ce8e495214bbaa968f077bede437390194f
19. 0x9b9ce5b74b9bab5121612ef6b64920a8d453cbf311096a423eef9702747e868a

Day root

0xf43e8dcc3d451a4788b26be904c55e8c4c0fa75c9666796c51db38d37e2c0df8

Chained

0x702d5ac508f08b0d1accf36af25822d8e5660367494edd17a642fb61e158a57a

Published

On Arc Testnet, block 69251483: 0x495162f8936e19f0039918feebe6c307f327cd6bf8c37219620b1970041fa9ae