{"id": 5236, "prediction_verbatim": "Crude oil (WTI) closes higher within 48h", "created_at": "2026-05-17 21:41:11", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-19 21:50:31", "chain_hash": "9d1e5034f995ab05cddc66cd554225468bfa6d98614e1937235956387f93147f", "chain_tx": "4exmQCRHSTtgQwV2ar2sUAvPkerCqDdaar8Z5Cg8pmtD6fkr3S3JQAMsKkxZyQMnhnNL7HuxcwyfmF6VyEtLrQ8w", "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."}