{"id": 4378, "prediction_verbatim": "Bitcoin realized volatility decreases within 48h as short positioning solidifies without fresh liquidation triggers", "created_at": "2026-05-03 12:14:58", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 12:40:34", "chain_hash": "463fe21eedf2a1d6f210e2df6dc386afa36262f383e014ebee64a5d08b3c7de5", "chain_tx": "2pRLT29qdPJTi45VizroGdHBKeupjByssEmebCD7RLcDi8AZjeRGv4zqSF5h8fZtRi2hFvgcPUn8EdkBtJCq1XPp", "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."}