{"id": 4795, "prediction_verbatim": "Crude oil (WTI) higher in 48h", "created_at": "2026-05-10 13:17:39", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-12 13:32:23", "chain_hash": "b25926badf31df49c9c643fb337edb68d95afb623341e12d594741a430decb52", "chain_tx": "2DreGbac2E29hEMpietu6qtNDDJ4WmwyKaV5T1RDNNfcsU6y5buD4mpJqkyvt4125bTDzLFqtfJMQHsMD5hNZ5Eo", "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."}