{"id": 4162, "prediction_verbatim": "QQQ declines 1.2-2.1% within 48h due to AI/tech liability repricing; NVDA and MSFT underperform broader tech", "created_at": "2026-04-29 17:09:17", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 17:09:50", "chain_hash": "3bea243f177cfdd04ff860713663044974a07d589118fcde1e9aff84a25bcd14", "chain_tx": "3RwhacYUhqigzSMtubMX8DcenvJg1iVUQpHcsthTcfB1UJbChUtejdwzpE7fR6xYgiiTuuTmLLwwXccSai5pn6qz", "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."}