{"id": 2422, "prediction_verbatim": "VIX rises above 26 within 48h", "created_at": "2026-04-03 09:52:24", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-05 09:56:27", "chain_hash": "049c37db6343535e6d14a109a4dd4fa36a52fb462f9446d4d0ccc5d7c7938acd", "chain_tx": "3Lr3ksTRCcVTe93hwBJ5bfjoeHoPwFDQi5zCqjuPqMiCRuZZR8HTfVDWTd2PUrY7Q3BboxuttCQv54kYMrPU1CSi", "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."}