{"id": 2449, "prediction_verbatim": "VIX rises above 16 within 48h", "created_at": "2026-04-03 10:52:38", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 11:14:15", "chain_hash": "a983d02679de44de122a310c19377cd80a4bd0516720fe64c834741196df3437", "chain_tx": "2NdcVxqUUK3wed8aZjFsozDsd5cBGuP3byhZ4s7cfZXdsVaC91q6B5dSrMPm7h95DSh9YHiL7BHSybBnDdvgtEy3", "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."}