{"id": 4709, "prediction_verbatim": "WTI crude oil rises >1.5% within 48h", "created_at": "2026-05-09 02:41:21", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-11 02:56:21", "chain_hash": "365e6ee08c0110becd05e3953041b51ebd59ad20b18e0064dd0cd91e8bda9849", "chain_tx": "3CwKvab7BdfdpwrBEPijDdNk9k8prmqpJDj9mnZoENkKjHa7PnhCL2mN1Dt7TctCwFAFYbk436qch8hotXdAK5oq", "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."}