{"id": 4185, "prediction_verbatim": "Mega-cap tech (XLK or equal-weight META/GOOGL/MSFT basket) underperforms S&P 500 by >0.8% over 48h as equity desk catches synchronized disclosure pattern and reprices capex/margin expectations downward", "created_at": "2026-04-29 23:09:20", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 23:15:48", "chain_hash": "b24d3a5795ae38d80e747b6429de608db41ea364b0f164cd8de06f098bd25316", "chain_tx": "2r4bjK6ispfdszmp9axSnEfSVDDRcho1UUUPgQog7ytLYecDTdTqcFSbfemp2yoP9LRAdDjLVSp8tvkz5y6bgMDo", "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."}