{"id": 2528, "prediction_verbatim": "10Y yield higher in 48h (markets reprice stagflation tail, duration sells off)", "created_at": "2026-04-03 13:50:49", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 14:14:11", "chain_hash": "2dd0be91c231446512debe1a20daa1f408a06d6ca85df0cd2830aa871927a50d", "chain_tx": "45n5XkmkFyLDB6546xsgFqEwTPViGqy3qKpB8acpzwhJrPcuH4famYh8V7ZTfN8DRUopR7RWrVzrKxoZ7nQa7Uae", "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."}