{"id": 4406, "prediction_verbatim": "WTI crude oil closes lower in next 48h", "created_at": "2026-05-03 20:37:59", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 20:40:37", "chain_hash": "74691916c0f96f1140ca7efea2d74abf1fd0ffc4424ad38adb22700d67c8c83e", "chain_tx": "2K2pyxGGE4jy6YFYfXsGbxLikzMiDD35DdK7YZu6qSUjzUB1boXCmg4mgcF4K41cbg1rDKx6ZzZgHN1sHhbGAP2b", "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."}