{"id": 4242, "prediction_verbatim": "VIX closes higher in 48h", "created_at": "2026-05-01 01:09:46", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-03 01:15:04", "chain_hash": "cd0c9bd1c05fd3d31e1635a70142bd7d4b25ce5fa4478e06745c53241d248488", "chain_tx": "2p8V5YzbmiVc595vQzCcxThKXenkbXDCHHU8x1nc9FZFu9cMbQgk2j7UVJfCE71wXBpkQvAGVo6p9FGbgbw6MUh4", "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."}