{"id": 3384, "prediction_verbatim": "USD/CNY exchange rate will remain stable or slightly decrease.", "created_at": "2026-04-14 09:07:55", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-16 09:15:06", "chain_hash": "58db061680bd96714cedad460f6ebba7be02e1a64cf68d527083d724e6b9d8d6", "chain_tx": "RTh2mN8ffAeuJFwGTDjrmqXEY7VfCohMBEdncDQDfHsEXszPuSso4L5qh5soouq5eUX9nHtgXjVTPJwDrYQ16dP", "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."}