{"id": 4258, "prediction_verbatim": "QQQ underperforms SPY by >0.5% within 48h as market reprices mega-cap capex burden and debt service costs under persistently high real yields", "created_at": "2026-05-01 09:39:44", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-03 09:45:03", "chain_hash": "9146c3206a50be0a8e3990d2311f73b249c85a1504bf5817533f9a245e417bde", "chain_tx": "23eLdCKat6adGNQHEk8VxGZ4VSsZEAmnD6wZkA9BGcwTs8oxnH7aBQ3QfoxhJvvWGTnRBkHEVD6EiuH7vPuvND6Y", "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."}