{"id": 4622, "prediction_verbatim": "S&P 500 lower within 48h", "created_at": "2026-05-07 17:11:01", "direction": "down", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-09 17:11:36", "chain_hash": "9679ad739a9d9eff815cd8250b45b65eddf43dc63021fe737e991b98a02e419b", "chain_tx": "2KnPnaTo4JbcXkcr1XvkQXprsGRDXt7F3zZLbFFmcVASZC6MPmD7mdDCZnVjhhKQ4EKLwn9pvXWggVT89BKrWfBR", "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."}