{"id": 2378, "prediction_verbatim": "VIX higher in 48h", "created_at": "2026-04-03 08:07:24", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 08:07:26", "chain_hash": "26f8f3549cc2ca286ceb0d99623c05041a70014be9fdef3372c929363d2359c4", "chain_tx": "59vay7xCB7Xsu6nuBMru3noXXPMUmxGypMHvLWWTLG5HenrE2C2Y8wNJbfmuXf1zWH9sqY9CWf9nCDrMRHpzqHi8", "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."}