{"id": 3824, "prediction_verbatim": "Brent Crude futures will trade above $95 within 48h", "created_at": "2026-04-20 06:09:09", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-22 06:32:25", "chain_hash": "5df3498d4f9c036e73673bed0e4d44516ed028f0677d5a19fea7fb7851e8bbf4", "chain_tx": "28iie9avxs1CU9UYE8PfEH65AZdUz8Fn1j67a2HUz9yLZ2ZSbm7ZhT7MxANjtayJaUP2tFPWjCrhGrbjXWDoTcGB", "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."}