query: Is possible to add an unnoticeable "signature" to a PDF in order to track its copies?
positive_passages.docid: 16377
positive_passages.text: How to add an invisible watermark to PDF documents?
negative_passages.docid: 46734
negative_passages.text: Quickly add text to existing pdf files / fill forms
negative_passages.docid: 36047
negative_passages.text: How can I use the "signature" function in Preview on Mac Mini with no camera?
negative_passages.docid: 135605
negative_passages.text: Pre-print service like arXiv but with private option, so I can correct my mistakes without publicly advertising my mistakes?
negative_passages.docid: 43968
negative_passages.text: Renaming record image and PDF files with generic download names
negative_passages.docid: 119650
negative_passages.text: How to generate a "named destination" in PDF?
negative_passages.docid: 32884
negative_passages.text: How to force a pdf download automatically?
negative_passages.docid: 131210
negative_passages.text: DocuSign ID Check with Embedded signing
negative_passages.docid: 57467
negative_passages.text: How do I skip verification of a .dmg file?
negative_passages.docid: 52662
negative_passages.text: Why does Ubuntu not ship with a way to fill in PDF forms?
negative_passages.docid: 103085
negative_passages.text: Silent print an embedded PDF
negative_passages.docid: 105804
negative_passages.text: How can tagged PDFs be created that support Universal Accessibility and reflowing?
negative_passages.docid: 29913
negative_passages.text: What are good ways to make pdflatex output copy-and-pasteable?
negative_passages.docid: 52989
negative_passages.text: Options controlling PDF Output
negative_passages.docid: 26057
negative_passages.text: How to edit pdf metadata from command line?
negative_passages.docid: 131884
negative_passages.text: How can I remove the unwanted background from a scanned handwritten signature?
negative_passages.docid: 129923
negative_passages.text: How to copy text out of a PDF without losing formatting?