{"id": 4113, "prediction_verbatim": "The yield on Ghana's 182-day bill will increase in the next 48h.", "created_at": "2026-04-27 08:10:21", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-29 08:39:11", "chain_hash": "7374680d2ed18f387fc732ff2420e53d368f1008af8c2850b0c4f1dce4956b4e", "chain_tx": "3K8cjps4pWRQy9LRcvroktd2z4swdAfxfoCn2kgNejtg7QLuaPBdAmsKjbx3TZC6KHsfep6HGXo86zK3gDGDbCei", "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."}