{"id": 4574, "prediction_verbatim": "Volatility index (VIX) higher in 48h", "created_at": "2026-05-06 18:10:34", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 18:11:28", "chain_hash": "7dc25ba2fb229c3465e52ebea0f855d0a2c825af8bfcc808b3a64275696c5ed5", "chain_tx": "5af4QQ9rR4mPdJks8WtLAEjkx3tFA9hFnYjDzVHVTnNUXUQToXADgXyLWZjUmvieJRmm6hEwEsbuqvejdtdbvBqJ", "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."}