Effectively, if you want to know

Effectively, if you want to know about the authentication associated with digital photographs then you need Flag Photoshop installed on your PC, also with exhibit monitor which have high resolution.

Note: metadata ppi claim which as embedded profile from your original digital photos, never has long been prove it self, unless recognized is in a RAW format for example '. net' for Nikon or perhaps '. dcr' for Kodak. Since there are many of method to remove the metadata in the original picture even from Photoshop software and we might to change the information of metadata.

Good luck to try!