package com.pseudo_sudo.openstorage;

public class OpenStorage {

}

package com.pseudo_sudo.openstorage;

import cpw.mods.fml.common.Mod;

@Mod(modid=OpenStorage.ID, name=OpenStorage.NAME, version=OpenStorage.VERSION)
public class OpenStorage {
    public static final String ID = "openstorage";
    public static final String NAME = "OpenStorage";
    public static final String VERSION = "1.7.10-0.1";
}

Add basic mod class structure.