{"id": 5355, "prediction_verbatim": "Brent crude +1.5% to +3.5% within 48h", "created_at": "2026-05-23 15:03:10", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-25 15:14:02", "chain_hash": "9b70f9ae9817d82cd34af29c4df3ae857aa362301a3f3c33639d9d9f901026f6", "chain_tx": "62zAY2cyr8DW2TGEchxoxe16MrBYCQKJCcAzyRcmCA8BBWq3LqYZJgYkVT1KVU7V59ywx756Gff2mgEsCSmQuAun", "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."}