{"id": 4781, "prediction_verbatim": "WTI crude rallies >1.2% within 48h", "created_at": "2026-05-10 08:41:30", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-12 09:02:22", "chain_hash": "078cca5520060cb95adc4112a78d68112ca9f5581df81e13a18d9e7a55b8da50", "chain_tx": "24ytXworZZEJXzWxLYwCYnE9V9rWyazGCUR2EcLBGJjccZJyu9FcBMwEdjEj7kVaxU8TWtqbHBxaKv6DN6HdVQsL", "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."}