{"id": 4724, "prediction_verbatim": "Bitcoin price rises within 48h", "created_at": "2026-05-09 11:41:20", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 11:56:06", "chain_hash": "bedfd2a45a230e89a09c7f0fae851a1e2d30e79a7bdb398404e59f65b1d4ccbd", "chain_tx": "5AjbhHtpZsFSADZwKWkgUMqZzVWeStuPrVfsrygrEXJ3NwQukjm1MQsKLAMAaofgoK35qTwKuRyyPhtCoymqdVE9", "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."}