{"id": 3756, "prediction_verbatim": "Increased open-source contributions to MetaGPT within 48h.", "created_at": "2026-04-19 09:08:47", "direction": null, "timeframe": "48h", "score": null, "outcome": "Auto-expired \u2014 excluded from accuracy metrics", "resolved_at": "2026-04-21 09:31:57", "chain_hash": "bef966ec9f37ed588e1a94e19593d3297717ffcebfa87626f5284d38163f6fc5", "chain_tx": "4dKtKaoRkFmBJ45ygAjp5zWULWsqDCobdhzfzaXQ9RaCBmLP8D3cYPWX3R4zaVDSHREdjCbVJPfDfxKGJaRuD9Jr", "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."}