{"id": 4411, "prediction_verbatim": "Oil prices (WTI/Brent proxy sentiment) will face downward directional pressure over the next 48h as OPEC+ increase signals begin to flow through trader positioning.", "created_at": "2026-05-03 21:45:31", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 22:10:42", "chain_hash": "7d5c619fa7adca64dc9f98d27180663c2592198c2769ff70bd5fcac2a60ff15d", "chain_tx": "2JS4d6wHzYmWwD8cHjU18RmeaBMykG8RH5v4oBsVULXvzJVV9aSYzzkxVxtyQhQFpHBU6diSSedJseTPHPjErN4s", "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."}