{"id": 2582, "prediction_verbatim": "Crude oil (WTI) closes higher within 48h", "created_at": "2026-04-03 15:56:39", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 16:14:13", "chain_hash": "8cb0e08942e2bc60eeaebcf524c116b62b39acf91a37a318a564e26394f0944a", "chain_tx": "xrjeMEXcRFVpBtvrEtYGoBjZihcAnqTLiy8yoRG5dTefiLyes7EuAcxay5wSdgBxYAeragov5Arbr6UWSiopnme", "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."}