{"id": 4354, "prediction_verbatim": "BTC lower in 48h", "created_at": "2026-05-03 03:44:47", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 04:10:27", "chain_hash": "e26484f8aedc9ceca3fe7d5533511816a8d598c302cd9770364b831d024cef4f", "chain_tx": "Aus81jmntvjb5EB8RSJ3ivMmWoQ7L9wFyYJbHWpL4TXFDY32QbP9wtcUQ1aaxfWEVp5UcusrLihVzGHps5me3jp", "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."}