{"id": 7945, "prediction_verbatim": "NVDA outperforms SPY over 48h [DIRECTION: up] [FALSIFY: NVDA underperforms SPY or matches SPY return over the 48h window]", "created_at": "2026-07-21 20:10:03", "direction": "up", "timeframe": "48h", "score": 0.8, "outcome": "Correct \u2014 NVDA +0.7% vs SPY -1.4% \u2014 NVDA beat SPY by 2.1%", "resolved_at": "2026-07-23 20:36:10", "chain_hash": "37ec35c28f659e29b83d475c8b6fe88342d2076d32ec26148a161b605308a31a", "chain_tx": "1c6mL8C49EMxN32Zs98cTFKs3tz3m9KTKXPjSR96J27fNuJMbiLQbf6vnMcFenCT83ZTzw1T777XKq1gRQqQndD", "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."}