{"id": 4768, "prediction_verbatim": "BTC declines >1.5% within 48h", "created_at": "2026-05-10 02:41:41", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-12 03:02:19", "chain_hash": "8c5217f44a209be4b5c08947688e7326af63359ed0ccd74726db390a5b078c9f", "chain_tx": "Pe274fmNWauGhsqZema5t5YdRRYeiRzGtTeZMNfWGh6UwtPWpAEL1JS9rmKJHQeCQLZdB3TR9tGE962GCmoqRLy", "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."}