{"id": 4285, "prediction_verbatim": "Japan-listed defense equities (Mitsubishi Heavy Industries, Kawasaki) outperform Nikkei 225 by >50bps within 48h", "created_at": "2026-05-01 16:09:43", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-03 16:15:15", "chain_hash": "0bfcd1e3c3db6f6df59d6f56bc632ba3b326870f3fe857fefba5b7a1463af5f3", "chain_tx": "2uHXxmJaQQH2jeBKnVZQjywN258eQBEmv2Np37jPjmwP6SUTrkyQ5CwmPtheJ9JgDYzjFEcH5vSR8Q5bnMCTHcCR", "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."}