// Assuming that your url will always have a path part,
// and there are no slashes in the query or fragment parts:
string relativeUrl = url.Substring(9, url.LastIndexOf('/') + 1);
...

// Assuming that your url will always have a path part,
// and there are no slashes in the query or fragment parts:
string relativeUrl = url.Substring(9, url.LastIndexOf('/') + 1);
...

namespace LambdaHash
{
    public class Constants
...

namespace LambdaHash
{
    public class Constants
...

namespace LambdaHash
{
    public class Constants
...

namespace LambdaHash
{
    public class Constants
...

public static class Hash
{
    public delegate T HashFunction<T>(T hash, byte data);
...

namespace JobRunAndWait
{
    class Program
...

class Program
    {        
        static void Main(string[] args)
...