Is there any indication that the hn submitter "ingve" and the github owner "locka99" is the same person? For that matter, the author might want to put his/her

Is there any indication that the hn submitter "ingve" and the github owner "locka99" is the same person? For that matter, the author might want to put his/her name on the book - I couldn't find anything in either the foreword or credits section.