{"id": 4813, "prediction_verbatim": "GBP/USD lower in 48h", "created_at": "2026-05-10 20:47:50", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-12 21:02:33", "chain_hash": "2c001babd37ad6559de6471d5de118ef1f1541e8aa26c46615ab89de9d156604", "chain_tx": "2ehqXbLj2y9wjNf43WVJXKDezL4a5PzQhzwnczcDabpZwxBvm9KcuJ3JHSVQm9zoySvViRWiodRAakrAq8FFqop6", "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."}