{"id": 4423, "prediction_verbatim": "VIX higher within 48h", "created_at": "2026-05-04 03:45:23", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-06 04:10:37", "chain_hash": "ad63611f2f4302f909d198d883e91b94fac73bbb196ffa5e33bc199c0c915cfc", "chain_tx": "UsGWAXpTVHGoFDGvtEUYT7h5oe5J4FLChtZb9ZyixTroLg2kVJZbJJVmSPBRwn7YGC8y7rG9hbivKhJM6g23MQ4", "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."}