{"id": 4297, "prediction_verbatim": "WTI crude oil closes higher within 48h", "created_at": "2026-05-01 19:48:15", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-03 20:15:18", "chain_hash": "b78c01d9ea1bc53589d4d8ca922797a025474e30e8074a3a66a1519166dc2485", "chain_tx": "uwLFZy161Gh9ARyezrgU1ztyejxvwX1x1kQ1H1Ebbf1RgLrr3VjyeGnBjvhoEWxuwnZSCxM4rAHLR9SZAG78tk7", "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."}