{"id": 8517, "prediction_verbatim": "NVDA outperforms SPY over 48h [DIRECTION: up] [FALSIFY: NVDA underperforms or matches SPY over the 48h window]", "created_at": "2026-07-31 10:01:02", "direction": "up", "timeframe": "48h", "score": 0.89, "outcome": "Correct \u2014 NVDA +5.9% vs SPY +2.2% \u2014 NVDA beat SPY by 3.8%", "resolved_at": "2026-08-04 10:08:34", "chain_hash": "e4cc3fa261db5bbc1777099437a9336a377b5a4e718f3e6978e30d4324e001cc", "chain_tx": "2VH39aHVMAqWm3D9gnJY8ptS1ND61s8oQKVVDGeqyMFkxy1tiuq7SfGkeQqqNFMqwnW4jAsZjhAfcNXhsMmZcP5F", "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."}