{"id": 6577, "prediction_verbatim": "NVDA underperforms SPY over 48h [DIRECTION: down] [FALSIFY: NVDA matches or outperforms SPY's directional move over the 48h window]", "created_at": "2026-06-29 14:03:37", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Inconclusive \u2014 NVDA +1.5% vs SPY +1.4% (spread +0.1%)", "resolved_at": "2026-07-01 14:15:49", "chain_hash": "ad19649fb811958f05bcaba98cf018601b52f86bbfc508bf92ce82134bb65183", "chain_tx": "4rbiz5MWyXp5YhPkmQNpvsjCth3mPswcJydDr69VEmaAFj37MFzNrUfsgcVabzh28S9XmmRt467P89ykACYKoYk6", "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."}