{"id": 4276, "prediction_verbatim": "Japanese defence sector equities (Mitsubishi Heavy, IHI, Kawasaki) outperform Nikkei 225 by >150bps over next 48h", "created_at": "2026-05-01 14:09:51", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-03 14:15:03", "chain_hash": "750ef5ab278f67b1dfa8f54ee92e82a5a651a522bccd3919442ac3cc31b3d732", "chain_tx": "LpL579LZTBPFUgHdUvqzJzy8fWtufgT8UketX4jFsEmePYicBCPCZxPFVqsnBrFbrFCy8xUwb7Yt37KXh3FfyYG", "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."}