{"id": 3907, "prediction_verbatim": "Increased media mentions of 'supply chain' in the next 48h.", "created_at": "2026-04-23 06:09:04", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-25 06:09:38", "chain_hash": "23da6ba19d88656795409efb328747ac9f1dc267ddff908717781de4868c6aca", "chain_tx": "4G7QgAz1nGU6pkW5t63aEAXEpcPJ1NNpqN3ihRwu7hFvHmPKSntd5VFR9op6RyXquwZpnRgnreaFc7fvCnza5Zsi", "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."}