{"id": 3632, "prediction_verbatim": "MSFT will outperform NVDA", "created_at": "2026-04-17 09:15:18", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-18 21:38:43", "chain_hash": "92e2db69c283e8c89206919db7379175b49bb6f9171fb0a0f6854e3451035ca3", "chain_tx": "3shgmUVu7FCvaWtwp15z5BhdjYPdHyzmESZjjiDrvsxXYjMfL2spERRHW123hU9VUxDLGfEPW9ofY8msXhQebAWy", "verify": "sha256(f'{prediction_verbatim}|{created_at}|{id}') must equal chain_hash, and the Solana tx memo must read 'workshop:pred:<id>:<chain_hash>' with a timestamp BEFORE resolved_at. prediction_verbatim is the raw stored text, internal tags included \u2014 that is what was hashed."}