Read this thread first, and you can see if the engine number matches. Then engine number is stamped on the rear of the block, on the driver's side.
Do you have access to the car? What are the last 4 digits of the VIN number?
Maybe someone can look at ProvaMo for you.... Engine Number ID Tag
You can buy a "Marti" report, but that doesn't tell you the engine number.
I am not aware of an "official" place to find either the engine number, or the ZF number. Those are the only things to "match".....