{"id": 4652, "prediction_verbatim": "COIN closes higher within 48h as institutions price in stablecoin mandate certainty", "created_at": "2026-05-08 04:41:09", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-10 04:41:44", "chain_hash": "bf4f2286c6c021730d4a0ecc2ce474a43fac5c305a5c509c3c72bb9a3fcc640b", "chain_tx": "3uuHur8vNBcNfHGR9hcRS3Yi8RHQnKfCFLdGME5PRAUQaDZSf23YL8kq5yNwMPz76LSfZdnjevsedHXYZYXoJ7mj", "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."}