: If you have the image, checking its EXIF data might reveal original timestamps or creator information, though Facebook usually strips this metadata upon upload.
Could you or share the file? I can help identify the content or the specific research paper it might be from. 48395142_561989694272756_5384078879512068096_n.jpg
: A suffix used by Meta to denote the image size (e.g., "n" often stands for "normal" resolution). How to Find the Source : If you have the image, checking its
: A high-precision unique identifier for that specific version of the file on their Content Delivery Network (CDN) . : If you have the image