{"id": 3140, "prediction_verbatim": "QQQ higher in 24h", "created_at": "2026-04-10 20:53:50", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-12 08:54:15", "chain_hash": "10590c6582ae89f28fa69fd23da5993fa5876ed8cce6f7ec597bfb758ac9909a", "chain_tx": "2cVAziJFc2UaZgCy29WDJQrY6x8hocWqeYbWTdLF2TFKyAvKj5222rNNt7vbJMBhar5GSJ9sB97FAiw9Ko43ZqHb", "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."}