{"id": 6405, "prediction_verbatim": "NVDA underperforms SPY over 48h [DIRECTION: down] [FALSIFY: NVDA outperforms or matches SPY returns over 48h]", "created_at": "2026-06-24 18:26:32", "direction": "down", "timeframe": "48h", "score": 0.8, "outcome": "Correct \u2014 NVDA -2.3% vs SPY -0.3% (spread -2.0%)", "resolved_at": "2026-06-26 19:24:37", "chain_hash": "4afd9a6169aa8a98a6a7729e517f537caf289ae3b1be1c6cafcd808f76f77511", "chain_tx": "JjhPkkZgwF7ULwtZAx6sYR15LKZH7H8euhAge6CSii1G6Gi6DGY81BiNosbh1VWLN7urebvXKQ25qT9jwvvWSzT", "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."}