remote_touch.py

import sublime_plugin
import os

class RemoteTouch(sublime_plugin.EventListener):
    def on_post_save(self, view):
        file_name = view.file_name()
        needle = "PATH_FOR_YOUR_APP" # change this
        if needle in file_name:
            project_root = view.window().folders()[0]
            relative_path = file_name.replace(project_root + '/', "")
            print("[RemoteTouch] file_name: " + file_name)
            print("[RemoteTouch] project_root: " + project_root)
            print("[RemoteTouch] relative_path: " + relative_path)
            command = "ssh example.com 'cd /sites/your_site && touch " + relative_path + "'" # change this
            print("[RemoteTouch] command: " + command)
            print(os.system(command))

put this file in ~/Library/Application Support/Sublime Text 3/Packages