{"id": 5462, "prediction_verbatim": "Brent crude lower in 48h", "created_at": "2026-05-26 00:13:44", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-28 00:36:49", "chain_hash": "1a284d01e1036f067022a19202936cfc1e4f14f82ba9564faaeb0428dfe8b320", "chain_tx": "MQUMzbXKtud8gE4bm43JLXaUzJdL6V9J7iPtxGASDNK1t5Mgu1Q4S9iERivzke4BDDS9kvWXQoWztMRXPeAVyW6", "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."}