{"id": 5234, "prediction_verbatim": "BTC price higher in 48h", "created_at": "2026-05-17 21:11:02", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-19 21:20:31", "chain_hash": "522b0990a423822956b29c7808eec72870c90eb9a80d31fb98df3aa147a28789", "chain_tx": "2GVo14kHe4twi5a8ajmgQKmF2AQFJy3PoNVeG8jnVcQeMhYT3HFT5QxHnXrMTedC1edJg6Up4mVeuR63P6WDeSf2", "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."}