{"id": 4571, "prediction_verbatim": "VIX will increase above 18.5 within 48 hours", "created_at": "2026-05-06 17:40:44", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 17:41:24", "chain_hash": "b5d46951570ad547bd241233fab0a8521e106b3ea97ef9a405e8279659072de7", "chain_tx": "2RUxPCAa59QgKjSWttDvhG64in6Ym6gvowZHQwdsvumfDWiQujAknJujGfR42jdKgP1Wusdbx9xgHh21wYiTxYPY", "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."}