{"id": 3443, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-15 04:14:48", "direction": "down", "timeframe": "24h", "score": 0.28, "outcome": "Wrong \u2014 bitcoin moved +0.8% ($74,377 \u2192 $74,966)", "resolved_at": "2026-04-16 04:15:11", "chain_hash": "0e102ab2834144a21b189f38382ab559d2daba70a8c2704718217f89be4a510a", "chain_tx": "21VQ8uDUiJYdvnhG3UhqKc8BK4tzxu4YGRBMpiiNpwnqnyXHpwgXnn6HTYvK7Zb6aBStSUkEsKAfhNuzTG49b7bK", "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."}