{"id": 4091, "prediction_verbatim": "Brent Crude oil prices will increase in the next 24 hours.", "created_at": "2026-04-26 20:40:12", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-28 08:40:33", "chain_hash": "c19567e15a08cc7461fd36cfd151e97e5642c271319bdf7f0530382b03c34356", "chain_tx": "2h5jjexbyFqhCGNj29EdUtVddoy7ZEMhLKkfCN9bQ2YWyyhEYmQQcW8c4rg3tMrALfovCWkoUvoeAmrMhDg8YQr5", "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."}