Evidence row 14275

What was observed

{
  "endpoints": [
    [
      "mcp",
      "https://cymetica.com/mcp/v1"
    ],
    [
      "web",
      "https://cymetica.com/"
    ]
  ],
  "name": "EventTrader MCP",
  "owner_address": null,
  "raw": {
    "_meta": {
      "io.modelcontextprotocol.registry/official": {
        "isLatest": true,
        "publishedAt": "2026-09-23T20:04:33.201079Z",
        "status": "active",
        "statusChangedAt": "2026-09-23T20:04:33.201079Z",
        "updatedAt": "2026-09-23T20:04:33.201079Z"
      }
    },
    "server": {
      "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
      "description": "AI prediction market trading — real-time data, CLOB exchange, Prop Desk, 40+ tools",
      "name": "com.cymetica/event-trader-mcp",
      "packages": [
        {
          "environmentVariables": [
            {
              "description": "API key for EventTrader platform",
              "isRequired": true,
              "isSecret": true,
              "name": "EVENT_TRADER_API_KEY"
            },
            {
              "description": "API base URL (default: https://cymetica.com)",
              "name": "EVENT_TRADER_API_URL"
            }
          ],
          "identifier": "cymetica-eventtrader-mcp",
          "registryType": "pypi",
          "transport": {
            "type": "stdio"
          },
          "version": "1.1.5"
        }
      ],
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://cymetica.com/mcp/v1"
        }
      ],
      "title": "EventTrader MCP",
      "version": "1.1.5",
      "websiteUrl": "https://cymetica.com"
    }
  },
  "source": "mcp_registry",
  "summary": "AI prediction market trading — real-time data, CLOB exchange, Prop Desk, 40+ tools"
}

What the leaf hashes

{"body":"3df52cb78ce14c81cb3e279c6a6ac223396542dc664e02bf35cd77a6023da66c","id":14275,"kind":"listing","method":"baseline/1","observed_us":1793025316760435,"prev":null,"subject":"mcp_registry:com.cymetica/event-trader-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. 0x7d23229d0f5d0285f9002bb42e1439bcd95b150498ebd1014a48430be093e5db
2. 0x048a261f20dcc893454d9b7c1ba42363e1dfe11746503ecb0b2233ac31c70a5b
3. 0xf8fc52dd7f6311e853ead5a1024d3cb6c4f93903113517bd2e973f68bc70a6eb
4. 0x4486dab83d380c0ac7669e6424a47f45055a1b6b82818887e9960c224c4ca2c8
5. 0x4cb3abc7c97c2d8e0e3477eb371792cad45b0d28ef3fac0beac4eae27a7e42fa
6. 0xd292a9f6562eef28b44581c7ba9b135902527f9cd1083cd5c73597ed653d60b6
7. 0xb7392e24404c3e722f0d32536c363562e0da4429dfe6ec0dc805b8261db68a0a
8. 0xb6ad5ba14232f23ff30fb6b9fe383205836e99b8885d9cedab333b250ef72972
9. 0x7e1ec73780098fac490af117915a41a976dff267e71b952d3a320caa7180a1e1
10. 0x27bb9eefd00206cde7209859f541e1ae68cb3baba4968278bfa6a4028b0fe719
11. 0x05b818019343d04f2973b36329a447f88301721891653961b94822610edda553
12. 0x779c77295186b32da6387dfb36d3a76522e7d713472a7cebed7c93529ccc4be6
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