{"id": 3855, "prediction_verbatim": "BTC lower in 24h", "created_at": "2026-04-22 05:32:20", "direction": "down", "timeframe": "24h", "score": 0.73, "outcome": "Correct \u2014 bitcoin moved -0.5% ($78,257 \u2192 $77,833)", "resolved_at": "2026-04-23 05:39:05", "chain_hash": "791cd96174cdbc4f1b227b7fa6b50493308c22f60ddd3cfd8363b56489d8eca2", "chain_tx": "3j4F4efoX7sah9Z2goTmij8smaPrasXjbyWtcfNejDXvgYRwzbdN1a5g8boCqNkfKWwbCdhdyuA9F6s5irGKgFMw", "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."}