{"id": 4145, "prediction_verbatim": "PLTR closes lower within 48 hours", "created_at": "2026-04-29 12:39:07", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 12:39:54", "chain_hash": "86af0b6062acaa86c6b18713ff4607da6b4be494139b3c0c02bfe1639b0e5cf1", "chain_tx": "5RsDMW8dLRKbDv3pDEn9tra9tepoGncMb8gS6uq7BKDoJC1EDY32HWEXmZ2QHQoBQPcYYJB6H9UrMsmapMZ1deyC", "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."}