0xfe on deploy

0xfe on deploy

pragma solidity ^0.4.10;

contract ArtCertificate {
/*ownable : begin contract */
/*Public variables*/
    address public owner;
    uint public LastChangeOfOwnership;
/*events for log*/
    event ChangeOfOwnership(address newOwner); 
/* modifiers*/
  modifier onlyOwner() {
    if (msg.sender != owner) {
      throw;
    }
    _;
  }
/*methods*/

  function transferOwnership(address _newOwner) onlyOwner {
    if (_newOwner != address(0)) {
      owner = _newOwner;
      ChangeOfOwnership(owner);
      LastChangeOfOwnership = block.timestamp;
    }
  }
/*ownable : end contract */
/*Public variables*/
    address public CertificateOrigin;
    bytes32 public identifier;
    string public ArtistName;
    string public ArtWorkTitle;
    string public Description;
    string public ArtWorkDate;
    string public IPFSmetadata;
    // string public number of copy;
    // string public serial number;
    
/*events for log*/
event ChangeOfIPFSmetadata(string newIPFSmetadata); 
/*construtor*/
    function ArtCertificate(
                            address _ArtGallery,
                            bytes32 _identifier,
                            string _ArtistName,
                            string _ArtWorkTitle,
                            string _Description,
                            string _ArtWorkDate,
                            string _IPFSmetadata,
                            address _newOwner
                            ){
                            CertificateOrigin = _ArtGallery;
                            identifier=_identifier;
                            ArtistName=_ArtistName;
                            ArtWorkTitle=_ArtWorkTitle;
                            Description=_Description;
                            ArtWorkDate=_ArtWorkDate;
                            IPFSmetadata=_IPFSmetadata;
                            owner = _newOwner;
                            }

/*methods*/

  function changeIPFS(string _newIPFSmetadata) onlyOwner {
                             IPFSmetadata = _newIPFSmetadata;
                             ChangeOfIPFSmetadata(IPFSmetadata);
                                                             }


}