{"id": 2410, "prediction_verbatim": "Oil (Brent) stays above $106/barrel for 48h as geopolitical friction persists, but does not break $112 (no new shock catalyst in timeline)", "created_at": "2026-04-03 09:26:37", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 09:35:42", "chain_hash": "57719d648978d3046961bee7188b95932b3fc3b0b190c45870d0e26d7a553b72", "chain_tx": "kh5txWoQisMv3CbgyEdcfhV98wDdp9MQYijovUcYtLiPw6vNc2EbJ4FoDYA2Dbqvr9uLH3GUQH5tHzu5z4d4GmV", "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."}