{"id": 4167, "prediction_verbatim": "Crude oil prices will move higher (WTI +1.5%+) within 48 hours as market recognizes OPEC's reduced ability to manage supply during expected energy price surge", "created_at": "2026-04-29 18:09:09", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-01 18:09:55", "chain_hash": "a2e603c1755b5c4309a6fa8f1d012832a0a9c5183f9ff2b8a4d25c3043cb7724", "chain_tx": "2Je82cFqJHPmZLUrByQZw9aVLEfY4cF3Ea79CMHNfXpjjxk5jW6cnvEPvPUCH7mNCScNWvCD7t6eJBfUdydSi4rA", "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."}