Without a third-party check, nope. Case in point, Chaocipher ... https://www.chaocipher.com/ https://www.chaocipher.com/ e.g. see "Progress Report #23" the PDF

Without a third-party check, nope. Case in point, Chaocipher ... https://www.chaocipher.com/ https://www.chaocipher.com/ e.g. see "Progress Report #23" the PDF there. Transcription errors galore! This cipher context "rhymes" well with Kryptos K4 in many ways.