{"id": 7879, "prediction_verbatim": "NVDA outperforms SPY over 48h [DIRECTION: up] [FALSIFY: NVDA closes flat-to-down relative to SPY over 48h window]", "created_at": "2026-07-20 23:31:58", "direction": "up", "timeframe": "48h", "score": 0.88, "outcome": "Correct \u2014 NVDA +4.3% vs SPY +0.7% \u2014 NVDA beat SPY by 3.6%", "resolved_at": "2026-07-23 03:01:14", "chain_hash": "a8fd9cc146c657a65832545aacff054a1828f1e06a8dfbc8dd596da627480da2", "chain_tx": "3Uoqx8vooK2Uz1j6vJ2pjkEVuFfGRT3cjeN1sGvuxpHXWvJ9ZNEzA7fPVCMoib68rzX4fZ4qTvNFRnVNgtU675Tu", "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."}