{"id": 4381, "prediction_verbatim": "Bitcoin price higher in 48h", "created_at": "2026-05-03 13:15:07", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 13:40:34", "chain_hash": "425e0056a74ecc967f6ca3e3ca1ad4a8a738e60b1347d8be6cf49063534cbee7", "chain_tx": "2fXWWrtLwEpFMQLATSuckDArxENt4VWxFYgbCYQQUGFUW4poouMHCgHMi3h18vHud65SdkePbqKUm6RaKnPg5W4t", "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."}