{"id": 3771, "prediction_verbatim": "The US dollar will strengthen slightly against a basket of major currencies in the next 48h.", "created_at": "2026-04-19 12:38:50", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-21 13:02:08", "chain_hash": "b8da0a19c29d3f9d36ef90db258684bf171c6ccbab7c6f3afb7313eb7fd2edeb", "chain_tx": "5SwsCtUmGE7K7Pbeaei4SxwdM4Y6rWDiZuubT7YUfKHprAGPHwurmW6NKwHazn8965dsiGSV2qoAeEkkijbfZXn5", "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."}