{"id": 4739, "prediction_verbatim": "BTC declines 2-4% within 24h as spec de-risking accelerates into geopolitical relief and risk-on sentiment overwhelms safe-haven demand.", "created_at": "2026-05-09 17:11:28", "direction": "down", "timeframe": "24h", "score": 0.28, "outcome": "Wrong \u2014 bitcoin moved +0.7% ($80,750 \u2192 $81,323)", "resolved_at": "2026-05-10 17:18:01", "chain_hash": "0bd98195887be3d52ecc0fadb9bd86235f53e5de597eb50a0f8a8cd92a39322d", "chain_tx": "3kyxFnomZWfukF93E3m5QwEKV3HFoqDUfuNvk5ntpxAtfrreYZGW8G1wEScZERYpvWnKrcWaBLNG6KJbgNSt67g8", "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."}