{"id": 4577, "prediction_verbatim": "Tech-heavy indices (QQQ, XLK) decline 1.5-2.5% within 48h as insider selling pressures collide with material event disclosures from PLTR (261235, 261234) and SMCI (261237).", "created_at": "2026-05-06 19:10:41", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-08 19:11:31", "chain_hash": "a18af4acc7bdb2ea1b76711f215ce5dbbccba3ad808f87a8bfa1ee0212262a0c", "chain_tx": "yCDEqBJSHmxqKoq1riKsxzyUh3CtCtj1kke5rzcb9sUqyiPg9PkL2S47s2DZqjioPiwtwfZhZ5YTrD1uCLQnvsa", "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."}