{"id": 3844, "prediction_verbatim": "BTC higher in 24h", "created_at": "2026-04-21 06:11:20", "direction": "up", "timeframe": "24h", "score": 0.84, "outcome": "Correct \u2014 bitcoin moved +2.9% ($75,794 \u2192 $77,985)", "resolved_at": "2026-04-22 06:32:25", "chain_hash": "a0ca50ddd07091eaff7772127ad6578823adc35acb2db5b8358d700e28eb435a", "chain_tx": "5yJUppfsMTZLz2icgB7b3frgjuGj5TBgYwbedhbrrWK59yqC3R7S7dGpmCnFA8nfNt4XwuyDYSPyiq7kBM6vQJ3b", "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."}