{"id": 2742, "prediction_verbatim": "Crude oil prices will be higher in 48h", "created_at": "2026-04-05 23:44:13", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-08 00:07:27", "chain_hash": "a10573e217af91b2a3a06d67abfdefe182e51766db49439b02d2b104ba886c8f", "chain_tx": "mE4UJzj4FiJVN1RThcq3P1n5sNBacxMTM248qRFy9TvbmmkEm6UcqeofJAbrgRWB3pCSkhk7fA68vwrmLsKr1nH", "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."}