{"id": 4204, "prediction_verbatim": "SPY closes higher in 48h", "created_at": "2026-04-30 04:09:24", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-02 04:15:53", "chain_hash": "ab41ea820e1f6528c083591e015c11fe771c6398ef2e58731a459137babc157e", "chain_tx": "4qcT1HrKoTzkWcXdoWcBSnCMnM4rtmMWWncvi144T3szjEchfQD994FwRWWsTsjZgmoeLg9iPL5BZZwDngc49uYe", "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."}