{"id": 5714, "prediction_verbatim": "Oil prices (WTI/Brent) decline 1-2% within 48h as geopolitical premium unwinds absent concrete supply disruption", "created_at": "2026-06-01 11:42:08", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-06-03 11:43:23", "chain_hash": "fb0b25add7d14d7945daeb46535b2732930732bcff9ea4c6c3d013a284293408", "chain_tx": "ryHnEzBAfdBTt2XE7kQ9fJqF68vyWJzvV6n9o6GU2sqXchGWHDQfbvwgD2hF2QKjBNwBXn8ABMYLrNFu8sbYHWx", "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."}