anchor.diff:  	    Node = create_resource_node(Req2, Res),
   	    case occi_store:save(Node) of
   		ok ->
  -		    RespBody = Renderer:render(Node),
  -		    Req3 = cowboy_req:set_resp_header(<<"content-type">>, MimeType, Req2),
  -		    {true, cowboy_req:set_resp_body([RespBody, "\n"], Req3), State};
  +		    Req3 = cowboy_req:set_resp_body("OK", Req2),
  +		    {true, set_location_header(Node, Req3), State};
   		{error, Reason} ->
   		    lager:error("Error creating resource: ~p~n", [Reason]),
   		    {ok, Req3} = cowboy_req:reply(500, Req2),
  
positive.code:     occi_node:new(Id, occi_link:set_id(Link, Id));
  create_link_node(_Req, #occi_link{}=Link) ->
      occi_node:new(occi_link:get_id(Link), Link).
  
negative.code: 	    Node = create_link_node(Req2, Link),
  	    case occi_store:save(Node) of
  		ok ->
  		    Req3 = cowboy_req:set_resp_body("OK", Req2),
  		    {true, set_location_header(Node, Req3), State};
  		{error, Reason} ->
  		    lager:error("Error creating link: ~p~n", [Reason]),
  		    {ok, Req3} = cowboy_req:reply(500, Req2),
  