Creating a new guid using the channel info

Channel.cs

enum Channel : byte
{
		UnknownChannel = 0,
		Email = 1,
		CallCenter = 2,
		BrokerHelpDesk = 3,
		BrokerPortal = 4
}

GuidGenerator.cs

class GuidGenerator
{
    private const int SwissReId = 1234;

    private readonly Random _random = new Random();
    private readonly MD5 _md5Hasher = MD5.Create();

    public Guid CreateSwissReGuid(Channel channel, int channelId)
    {
        byte[] channelIdBytes = BitConverter.GetBytes(channelId);
        return new Guid(SwissReId, (short)_random.Next(), (short)_random.Next(),
            (byte)_random.Next(), (byte)_random.Next(), (byte)_random.Next(),(byte)channel,
            channelIdBytes[0],channelIdBytes[1],channelIdBytes[2],channelIdBytes[3]);
    }

    public Guid CreateSwissReGuid(Channel channel, string channelId)
    {
        var hashed = _md5Hasher.ComputeHash(Encoding.UTF8.GetBytes(channelId));
        return CreateSwissReGuid(channel, BitConverter.ToInt32(hashed, 0));
    }
}

Program.cs

class Program
{
    static void Main(string[] args)
    {
        List<Guid> guidCheck = new List<Guid>(100);
        GuidGenerator generator = new GuidGenerator();
        for (int i = 0; i < 100; i++)
        {
            var swissReGuid = generator.CreateSwissReGuid(Channel.Email, DateTime.Now.GetHashCode());
            guidCheck.Add(swissReGuid);
            Console.WriteLine($"Generated new guid: {swissReGuid}");
            Task.Delay(100).Wait();
        }

        Console.WriteLine($"Created {guidCheck.Distinct().Count()} unique guids!");
    }
}