{"id": 2339, "prediction_verbatim": "Crude oil (WTI/Brent proxy) higher in 48h", "created_at": "2026-04-03 06:41:21", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 06:46:54", "chain_hash": "1a5774f09380d4c226e8c130d747246a696a5a68221c68b6bda8f25dbcd5486a", "chain_tx": "4HTDeDWzwYmYS7XMgueW3vAypf6U1GMnp178DjCFCCFRojnfyv5FWRkvGa7g5omturgeSM1V6vL7zYDW6kJeWDCW", "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."}