{"id": 4786, "prediction_verbatim": "WTI crude higher in 48h", "created_at": "2026-05-10 09:44:42", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-12 10:02:28", "chain_hash": "ce4797008071184b0018fe5eb3bdfcbb1e05860de766e48c07c16bb2cdcafe50", "chain_tx": "4E2GgwKVkSA1HHmjkdtaF3ojdTNUJ377wbSTLTEAxRu29sQmF3j9H6nrzC6JbCMpm2W3xR3JSj8YGWSwmmPor8N4", "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."}