{"id": 2612, "prediction_verbatim": "VIX closes higher within 48h", "created_at": "2026-04-03 17:03:25", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 17:14:12", "chain_hash": "3b89f8dbd46c4b141957ae9f1ddccf8b51c9743b2159774528e6de61d7da5444", "chain_tx": "47H9vuhKBH6Cn1H7n34KCmA7Q7Ya5V8bFaEiy4tBKbRCsjdqXzbNtTxJvupp4c5Rwtwqd38M74tEiXXcAjxumx8y", "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."}