{"id": 3818, "prediction_verbatim": "Positive sentiment regarding stablecoin regulation will increase in financial news within 24 hours.", "created_at": "2026-04-20 04:09:16", "direction": null, "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-21 16:32:04", "chain_hash": "11f7ea3b505921e59aa5ccb68593037895ccdbbeeb999682439b823e7965a171", "chain_tx": "21XwKeR3VigYARjGAFZHpdC78qpcoeqxEzg22Fus77fhG2XaGD6TWYYkq9uJes5P3sAKbB4CeXuKuXok1WgqMiVn", "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."}