{"id": 3240, "prediction_verbatim": "Gold price will be slightly higher in 48h", "created_at": "2026-04-12 12:54:20", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-14 13:10:30", "chain_hash": "706fd6bfb4087d9ea6de07be50a53088b96cf038cc98cbd332071daaa21a7478", "chain_tx": "4gYTWCedUAqBQHmpn4tvAGQ7Gt9jZNTusrdmvjvwNZHBmTs74A4Gj6v6pJSCJ3daDCaRYtCjCekKBZhNc7rwJ1dx", "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."}