{"id": 4193, "prediction_verbatim": "WTI crude oil closes lower on 2026-04-30, as market reprices geopolitical risk premium and recognizes sanctions-driven supply disruption as transitory", "created_at": "2026-04-30 01:09:23", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Cannot auto-score commodity prediction \u2014 no price feed for this asset class", "resolved_at": "2026-05-01 01:09:56", "chain_hash": "8835ea89b01c205d206c32572990c42883ba969f2b2d7cc31449ff8b8b977cbe", "chain_tx": "4kUWEzRp9KeCDpCKWeWjvV8HSjX6bPCy7k3ZPW6YWMQSZmQ36jKrx1GqveE7ALLSzrzLWAjNCZpY2bC3sWC4iLCb", "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."}