{"id": 2580, "prediction_verbatim": "SPY will move >0.5% in either direction within 48h (breakout from current $655.85 \u00b10.09% range)", "created_at": "2026-04-03 15:50:06", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 16:14:13", "chain_hash": "81531c35430b5670eb81231275539156f274fd9bc14e11d6926341ece455a52c", "chain_tx": "nmXgamUzKVECTA7EHXbZHiZwcRyFmf1e4nDbF5XJoSCZb7Meq9HGVdG6iDJpkzJexqQTFMCmwqt111H55qEdo66", "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."}