{"id": 4620, "prediction_verbatim": "QQQ gains >0.8% over 48h as mega-cap concentration outperformance extends and small-cap weakness persists (IWM underperforms by >0.5%)", "created_at": "2026-05-07 16:40:53", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-09 16:41:44", "chain_hash": "62013cb731d00d62940d18155a1468043bd5f001d64390894b99eb85774011d1", "chain_tx": "S2L5DbrxjuRywycL6um8Q3FHCQ4HA53w3337FqDZwhfdQmsU7fQcynza1FefwxUsHBssZvuKQ4Q21BouRjvePom", "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."}