{"id": 4457, "prediction_verbatim": "VIX closes below 16 within 48h", "created_at": "2026-05-04 21:15:49", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-06 21:40:47", "chain_hash": "642e91f3de36e85e4eb2cb824dba1ed4ad791b8218e8d257472879a3b9655857", "chain_tx": "66CTwa1hZRq4fn6LDjmhzRSyBRHP39dTfBVHJJJHoLq9Lv3wrb1NnLmuo6hY9ZvJJJETCfSceyAWBrkgiEi9qAFu", "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."}