{"id": 4564, "prediction_verbatim": "Bitcoin volatility (realized 30d) increases within 48h", "created_at": "2026-05-06 14:10:35", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 14:11:16", "chain_hash": "6fd5206589b9a6ea7221693699afcabb88bfd1f48aa2e7953068a86ec2049368", "chain_tx": "4HurnNrdNUSYjLkmf4MvXoCnZG6AyQYBqkumC7PKMux3AZ3w3ZiSwz5bXRarH25kfusn1Mp679qeG7Jv4MfZSxcz", "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."}