{"id": 4824, "prediction_verbatim": "Crude oil (WTI) higher in 48h", "created_at": "2026-05-10 23:47:49", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-13 00:02:32", "chain_hash": "0f89588f445ac7c6690c2bd467bc1228f39dd24ba3e68ad289aae64593075c3f", "chain_tx": "2HwXfWpbJYFxk9aFicAAjpJPxSNYSV8HScCGJgp1uajY4nFc7Kk5YA5tgQfjX6RiBU9FM9bEwLRaquST77pXCb4a", "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."}