using System;

public class Program

{

    public static void Main()

    {

        string result = String.Empty;

        DateTime timestamp = DateTime.Now;

        string concatenation = String.Format("d10176e9-34f2-e811-a95f-000d3ab425a0XrZyma3tTo8y14I18ZCZxOAapOi0ZPM2LvrcxOFRjxc=201812051622");

​

        System.Security.Cryptography.SHA1 sha1 = System.Security.Cryptography.SHA1.Create();

        byte[] hash = sha1.ComputeHash(System.Text.Encoding.UTF8.GetBytes(concatenation));

        result = BitConverter.ToString(hash).ToLower().Replace("-", "");

​

        Console.WriteLine(result);

    }

}