From 4eeb22e2d7b5c9d07ffd979ba3e1dd8cf841a0fb Mon Sep 17 00:00:00 2001 From: haruodev Date: Mon, 24 Aug 2026 00:02:24 -0300 Subject: [PATCH] Add Tamperlens to Validation and compliance Co-Authored-By: Claude Fable 5 --- README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/README.md b/README.md index 9036fbb..2eb323a 100644 --- a/README.md +++ b/README.md @@ -67,6 +67,7 @@ - [veraPDF](https://openpreservation.org/tools/verapdf/) - Verify compliance with PDF/A and PDF/UA specification (via Open Preservation Foundation). - [HTPBE?](https://htpbe.tech/) - A forensic tool that analyses the structural layer of a PDF to detect whether it has been modified since creation. +- [Tamperlens](https://tamperlens.com/) - Reads the structural layer of a PDF and reports tampering signals with the evidence behind each one — revisions appended after the original save, contradictory metadata, producer fingerprints, text still live under redaction boxes, edits made after a digital signature — as a free browser checker and a REST API. - [ReflowPDF](https://reflowpdf.com/) - Browser-based PDF editor with structural content reflow, tagged PDF/UA and PDF/A exports validated by veraPDF. ## Datasets