{"id": 3272, "prediction_verbatim": "BTC will be slightly higher in 24h", "created_at": "2026-04-12 21:54:20", "direction": "up", "timeframe": "24h", "score": 0.84, "outcome": "Correct \u2014 bitcoin moved +2.8% ($71,254 \u2192 $73,256)", "resolved_at": "2026-04-13 21:54:35", "chain_hash": "4146bc80dcbe58703a9352088b88157c566de443bc9dcb2ed173f5d4923ed49c", "chain_tx": "2nS66utidUhUfNfT9ZCft9wmvUUhWG6AHqWU7GMtMByubn1zvwLRoMoc5UBbVqL68zaAaShXvVAVfWByFxk86E6w", "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."}