System.IO.File get file created in iOS documents directory

I have an iOS native plugin that saves a file to the application documents directory. Upon successful completion of saving the file, I make a callback to unity with the filepath and check to see if the file exists.

I can confirm the file does exist in the iOS documents directory, as it is a video and I load the video natively and play it. However, in C# using System.IO.File, it does not seem to be able to find it.

 void HandleRecordingSavedEvent (bool isSuccessful, string outputDir)
     {
         Debug.Log("Event callback for saved: " + isSuccessful + " at " + outputDir);
  
         _recording = false;
         _endTime = Time.time;
  
         string[] pathComponents = outputDir.Split(new string[] { @"\/" }, System.StringSplitOptions.None);
         string fileName = pathComponents[pathComponents.Length - 1];
  
         string myGuess = Application.persistentDataPath + @"/" + fileName;
  
         Debug.Log("My Guess " + myGuess);
  
         if (File.Exists(myGuess))
             Debug.Log("I found her!");
         else
             Debug.Log("Cannot find");
     }

And in the console window when I run the application I get the following output

Event callback for saved: True at file:\/\/\/var\/mobile\/Containers\/Data\/Application\/80DBDE31-1BAA-4FB5-9D8B-C7A1E34B663A\/Documents\/2015-12-18%2012:47:11.mp4

My Guess /var/mobile/Containers/Data/Application/80DBDE31-1BAA-4FB5-9D8B-C7A1E34B663A/Documents/2015-12-18%2012:47:11.mp4

Cannot find

Can anyone spot something I am doing wrong?