{"id": 4222, "prediction_verbatim": "MSFT and META equity implied volatility expands 1.5-3.5 points within 48h as market processes undisclosed 8-K material events", "created_at": "2026-04-30 09:09:31", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-02 09:14:48", "chain_hash": "308a72b0974e31ee289b14c4dbb33c177b188633450ba0b8243cb41101299d5c", "chain_tx": "5zaQXtFs4Gs6BYvzZQkbdndZ28szjc9grpUYuYeWQUF61HoHVQMSP2wEFzKYwSa4vxJMuAz1SVRA8qPVYBwf7uji", "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."}