{"id": 4217, "prediction_verbatim": "WTI crude oil remains above $85/bbl in 24h; volatility index (OIL.VIX or equivalent) rises 5+ points as traders price cartel-enforcement risk", "created_at": "2026-04-30 07:39:31", "direction": "up", "timeframe": "24h", "score": null, "outcome": "Cannot auto-score commodity prediction \u2014 no price feed for this asset class", "resolved_at": "2026-05-01 07:39:50", "chain_hash": "2c23e6d6a0dbf08e97ad2a8a7a607d805d34a1ede00631ca2a1d24e7e86732e2", "chain_tx": "2BcW76Rt5mB1c1tWswiuX5m3qmRUAURsNPKGjHuBeQ5UfeXmHEhAmQM1h8W2Z3iusYsUQUgdMogtMH3NXJZkiV8i", "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."}