{"id": 2175, "prediction_verbatim": "BTC closes higher 48h", "created_at": "2026-04-03 00:33:20", "direction": "up", "timeframe": "48h", "score": 0.73, "outcome": "Correct \u2014 bitcoin moved +0.6% ($66,827 \u2192 $67,228)", "resolved_at": "2026-04-05 00:54:59", "chain_hash": "3a3f234479ae53c053f33894917bf83dc2ebd4737c2b9d509f82416a41356ce7", "chain_tx": "1HwyekPbzjKkJBmikE6a79BYbSVnjb5QUnUy5XMSqxyj2KtVh6uhVGzvykAKcqrwD1ctQs5KuXm67ALi6wniWn8", "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."}