The description points out dots and dashes, which brings up morse code right away. Searching up conversion of zeroes and one to Morse code provided the Quora result, showcasing one of the comment answering the beep are 1’s the not beeps are 0’s. Converting each zeroes to dots, and ones to dash provides the following:

--- .... -. --- -... .. -. .- .-. -.-- -- --- .-. ... .

Converting from Morse to text results in OHNOBINARYMORSE. Since the flag requires encasing, the text is encased within KashiCTF{}, ultimately capturing the flag. KashiCTF{OHNOBINARYMORSE}