{"id": 5406, "prediction_verbatim": "Brent crude lower in 48h", "created_at": "2026-05-24 23:59:49", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-27 00:06:24", "chain_hash": "b0fc28882d58f19a71f732c3eb40b21ce621460ce9f60d813009a4b54d68fc0e", "chain_tx": "3SxekSGPWw56ephwR1ik7AZJndzLLbd2y8tedEvuQo33cSvqWM2kkVcZNXrJsxLxBBV3wG2c7DKJzSUwWyscZ3kQ", "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."}