{"id": 4397, "prediction_verbatim": "Crude oil (WTI) lower in 48h", "created_at": "2026-05-03 17:45:07", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 18:10:35", "chain_hash": "c1b6c2a9cfb9e272cbd5d59b7a30b394882e70f74b0e7dc0b8027212c6aecd6a", "chain_tx": "4Ss1RvHdNtajkeqDcj1XzNhQSQMvPSEYvFutQU3Jj9V82hsmos62hGs5kNcF2EjJZHEm6uV4RH2tJtyHD5ZQgeL1", "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."}