{"id": 5078, "prediction_verbatim": "Biotech sector (XBI or IBB) outperforms S&P 500 by >0.8% within 48h", "created_at": "2026-05-15 00:40:35", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-17 00:58:07", "chain_hash": "88bc71ebdd0786187a211f6f5d9990e2834e1a4cbffbef4386b12fb7c4fc1322", "chain_tx": "4zFyowXy6KxLBDeiS4JkZYFofRN9KqhB5sftmApjvtQiLxWPRb9T41rWsMvcFSs9TYFNv2SLaRBPVvGtTJeDNBrP", "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."}