{"id": 2637, "prediction_verbatim": "BTC closes lower in 24h (below $68,500 if currently above, or -1% to -2% if range-bound)", "created_at": "2026-04-03 18:03:42", "direction": "down", "timeframe": "24h", "score": 0.28, "outcome": "Wrong \u2014 bitcoin moved +0.8% ($66,841 \u2192 $67,346)", "resolved_at": "2026-04-04 18:26:10", "chain_hash": "1d7801354383efeaf5c3daaa4d0bd01d4211846bda242ead3866ed3bdfcf244e", "chain_tx": "3aKKiVZWiuB9ReW8gvHTh82NJFscRpprZuujufpfNdsEhqcAbq4z6aLQPSbsdNbeh2YJnNxMoZGnHWHUcwVG6rkp", "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."}