{"id": 4365, "prediction_verbatim": "BTC appreciates >1.5% over next 48h", "created_at": "2026-05-03 08:15:00", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-05 08:40:23", "chain_hash": "a926ee8155f8aa2412683f3f66b616a8deeca9f6fd98f5a3552fc6bece6a9476", "chain_tx": "2ik7Rq9ngnYzmCr5iwAFsyzTmUhoDyPp5NexWpooSecYbRznp2LSM5XujunkpyD6K8iKcc1t9s4LMfwUJoWysXQh", "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."}