{"id": 3931, "prediction_verbatim": "The VIX index will increase in the next 24 hours.", "created_at": "2026-04-24 06:09:23", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-25 18:09:48", "chain_hash": "1cb7523ecba886dea952f0df58a9d67c7a01bfaf4cecdf5e7d7e0cc40f207886", "chain_tx": "53TW86uNnRoCmcntSaarwgMTXqaLfeSc1XPD7BTBFd5fbByG4UkaZKXQeYTHwDGKJXsePfzcrsmkhaMvUVnog59N", "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."}