{"id": 8846, "prediction_verbatim": "NVDA underperforms SPY over 48h [DIRECTION: down] [FALSIFY: NVDA outperforms or matches SPY's % return over the 48h window]", "created_at": "2026-08-07 13:02:54", "direction": "down", "timeframe": "48h", "score": 0.76, "outcome": "Correct \u2014 NVDA -0.7% vs SPY +0.6% \u2014 NVDA trailed SPY by 1.2%", "resolved_at": "2026-08-11 13:19:42", "chain_hash": "6bd2375308b9aa27c80ce4b359cafa026c2e8cae91b9a1e3cf9742401ede999f", "chain_tx": "5Y24Xg8VMpSBC7QRWM4fJhifXg87Ds3JYCRD8aKjDC6pDQhtp2y5DxqwMvEMbWLSTTqrjp8zWm2v7A8QqaNzwbJ1", "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."}