{"id": 2808, "prediction_verbatim": "News mentions of nuclear power will increase in the next 48 hours.", "created_at": "2026-04-06 16:14:23", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-08 16:29:03", "chain_hash": "27c2431ad1e9b05798db1c532765531408cd1d440700d82cdba36f223c6ae1ae", "chain_tx": "aFCSzEgsyShzjt6DLFMGFy2Qyrdpd21FbDpDBR2f491JUpAqFiVw7uA1w3CJQVzcVEYreunvCAcS2CWL42xbEVu", "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."}