{"collected_at":"2026-08-17T10:46:18Z","data_type":"btc-hashrate","source":"live","live":true,"_note":"调用时实时拉取，30秒缓存；失败退回快照","raw":{"current_hashrate_hps":912677036950424000000,"current_hashrate_ehs":912.68,"current_difficulty":127479855693691.4,"_updated":"2026-08-17T10:46:18Z"}}