{"id": 7147, "prediction_verbatim": "BTC underperforms SPY over 48h [DIRECTION: down] [FALSIFY: BTC closes higher relative to SPY's return over the 48h window]", "created_at": "2026-07-09 09:08:23", "direction": "down", "timeframe": "48h", "score": 0.28, "outcome": "Wrong \u2014 bitcoin +2.1% vs SPY +1.3% (spread +0.8%)", "resolved_at": "2026-07-11 10:08:07", "chain_hash": "ab0c6e2fb7064f9ba923ad63ef6018c1c28cec754020b803411fc599d3852322", "chain_tx": "4EmAKtqnfnV9qHnPDyqMPSTXAUCGMX2zQdZNmPuWXRK8LqHkT7aAVSvGV9gtBuWcuAQC9beZ765cSS1r8QDiqz6E", "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."}