{"id": 4437, "prediction_verbatim": "European equity indices (DAX, CAC) will decline 1.5-2.5% within 48h as geopolitical risk premium rises", "created_at": "2026-05-04 09:45:28", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-06 10:10:39", "chain_hash": "786db75f30ebfc14464921dd5be0a49565d6bb3f4af2823734458cb89794de5f", "chain_tx": "4XVzFRMoyghuJgvPDR2q9f33SZki9dyDkk29VN6iqvMz1aNodeaMWqWUqiMctcXiWWoM7sfegBEbZ9SuU6LLEsct", "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."}