{"id": 5067, "prediction_verbatim": "Andy Burnham will formally announce a leadership challenge against UK Prime Minister Keir Starmer within 7 days", "created_at": "2026-05-14 19:33:35", "direction": null, "timeframe": "7d", "score": 0.85, "outcome": "news_llm: no (BBC News headline mentions 'The launch of Andy Burnham's campaign for the Makerfield by-election,' indicating he launched a by-election campaign rather than a leadership challenge against Keir Starmer.)", "resolved_at": "2026-05-24 01:33:22", "chain_hash": "c44b749947047b86f92836ddc98a507296fca5031909ca2bf3bed14ef2f458e6", "chain_tx": "bcToYgtDtmxggYqw7p8FePb7knXFuzUMSkVUgLixQKd73S7bHADPktYxLLLC5Gi1mf9BzwpVAetBQ6BzYu8V26p", "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."}