{"id": 2838, "prediction_verbatim": "The price of Brent Crude oil will be higher in the next 48h.", "created_at": "2026-04-07 03:14:33", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-09 03:23:29", "chain_hash": "18f6e7a50e31c864051755e80482b14c4fc45f694f87d4cb17236130c4f75b33", "chain_tx": "gUCmi2nTG879W3rKU7hgRr3MjYx1rJL6K42j9rL7nR4g5Ve1uRvwmXuJQiWAma1p6dQZEGuSZnKPxm2JwrkPpMh", "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."}