{"id": 3819, "prediction_verbatim": "Increased demand for AI engineers specializing in multi-agent systems in the next 24 hours.", "created_at": "2026-04-20 04:39:01", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-21 17:02:11", "chain_hash": "55782f411023fdf7dff5b7e1ff5369931ff7c3d3cfc2bd4d648e5d55ba833564", "chain_tx": "5yG4TtMrRuaCRY8NwC1uRiqntfdLntg5zYhE6QLmB8nF7FUsZ55LgdzyKHgw42LU8ncUjkWoSMQoFZkAEBni5kfG", "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."}