{"id": 4897, "prediction_verbatim": "Mega-cap tech (QQQ) underperforms S&P 500 (SPY) by >0.2% within 48h", "created_at": "2026-05-12 01:32:18", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-14 01:33:02", "chain_hash": "fd8f2022aaf5af4b870020cc62f503def6dc158c0c13e59a7575b254ee2d9872", "chain_tx": "39yii3sGj77eWrdVbnYsFKAKfxTzBsEKWCC5QvGJ52whPbP75UgYrtTxYuwRXThBkBYNTXcV9CY9guK1vBx2WQu9", "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."}