{"id": 4692, "prediction_verbatim": "Crude oil (WTI) spot price rises >1.5% within 48h as refinery outages propagate through futures markets", "created_at": "2026-05-08 19:11:23", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-10 19:17:54", "chain_hash": "787eef87eb6a4c4db0ed5873334569a58b97cd280fccc5c29da9857f5aae4632", "chain_tx": "5TcVVNUyD9GCiDZbyDHBf8BV5pYZdUAWjPTZTsu8rdpjnjLU9m6a8BYJeT1XPw8dEq75q15rxYQYG67ZpZUPHcbm", "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."}