{"id": 4621, "prediction_verbatim": "Bitcoin price higher within 48h", "created_at": "2026-05-07 17:11:00", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-09 17:11:36", "chain_hash": "ae0db6b3d894117e6c2836d97133934cf9bef077dee03a71ce3be492bd4bdf8e", "chain_tx": "3ArF3h472iQhJtsXtYYWS71iBuM6CxU7i7UYncbHmCbDExzt25YeLEzTyEBhg7QJ28BxWoHcXTjus8hGFiWFXjAa", "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."}