{"id": 2482, "prediction_verbatim": "10Y Treasury Yield closes higher in 48h", "created_at": "2026-04-03 12:05:13", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 12:14:16", "chain_hash": "b6dbc2926b86127360313da99206775dce3cf78f2113cfeaccd4ed5075da39fd", "chain_tx": "32Z18UbSw9f5imMcK5MyJjspz2T8HAowhkdv3ea37xkna4awjXJkWJixU7csCg7wQ2GVMLroSbzPRjbZYupgFDg3", "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."}