{"id": 4212, "prediction_verbatim": "QQQ (Nasdaq-100 proxy) closes higher within 48h as institutional positioning ahead of earnings digestion drives rotation into large-cap tech", "created_at": "2026-04-30 06:09:33", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-02 06:14:54", "chain_hash": "455443d0aa1a8d5636f86d7e2317be5634ac3dde3419d77a9476b6dda49112f0", "chain_tx": "5gadJPajfwESewaCP5KtMRERUvasgRygfU7ZtRiBdFzd1QAVP2oKcw7knLfy5ujP5HFQH8vkN3sqETZXiadP4tMz", "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."}