{"id": 4641, "prediction_verbatim": "COIN closes higher in 48h relative to current market open", "created_at": "2026-05-07 23:41:16", "direction": "up", "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-05-09 23:41:37", "chain_hash": "c2cd51081ae5584c6ba34bb80fd6caad3c733145d6dcb02c4b8ea25a24969460", "chain_tx": "4ZCscK32Zb6VWQJh9J7YrU7k6j6ZJyzSDtikubMBCuticHtSPfeTzCcXD5664rFFach94PmET4DthacNXasuSJm8", "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."}