{"id": 2634, "prediction_verbatim": "Oil (WTI) lower in 48h", "created_at": "2026-04-03 17:57:07", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 18:14:14", "chain_hash": "6bab0327cc74bca3968b06b5705dc4ec0853a75108d6860b028e9f7d0226419b", "chain_tx": "3sY2BBRh1ZjtUSiyY7nMtj2XUC5KibN21Rfyc6MDfZ5yPJXMPMbSHkBPu5yqj2WgEK1i7fY6Wr8HvQGDjs8V2jZN", "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."}