{"id": 3643, "prediction_verbatim": "The NASDAQ composite will be slightly lower in 24h, reflecting a potential dampening effect of insider activity clarity.", "created_at": "2026-04-17 12:45:21", "direction": "down", "timeframe": "24h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-19 01:08:52", "chain_hash": "703de209dcfe8b828823e65e85954adf58393d94328019abdba6ddfc400dcf56", "chain_tx": "4V6A5U7ywALwyZcj4zae1jCGoH8w8Xm5ZZF88PrREAuRrbkJ9kxdr7Xk9tHS7N6PCupyMJUjat1qrKhVg4jR7Z3k", "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."}