{"id": 4178, "prediction_verbatim": "XLK (Technology Select Sector SPDR) outperforms QQQ on a relative basis within 48h", "created_at": "2026-04-29 21:39:16", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 21:45:37", "chain_hash": "89a5a42b765082b82876d6184a0d9244e36f2fb517bca544cf27a89bfac385aa", "chain_tx": "31s8ZG9WqxSMVemE1YdPEH7o9AQYZ1dCvLvyVXKWFuzg7RmDkzNPNcLtHJqDfuXE1cDtNdpooMxygczdYfQtUEGA", "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."}