{"id": 4931, "prediction_verbatim": "UK 10-year gilt yields higher in 48h", "created_at": "2026-05-12 12:32:17", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-14 12:33:02", "chain_hash": "c4ab8aabf4a26edd5efafa9c5446a4bc2191d2cdb4f80fa903bff41f67566b8f", "chain_tx": "2qFdfQ4F31eYJeZmyxKZiQPQwjxyQFMWku4cQThLXde65JqWAifRyEdr6MA6MiviHSxqKMy3czSjqjjGpGrJayJs", "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."}