Dr. Trustme
3 November 2026
D
08:43
Dr. Blackbox
Doctor, what if I sent a PDF with broken redaction?
D
08:43
Dr. Trustme
Did you remove the text, or just cover it?
D
08:43
Dr. Blackbox
I drew black rectangles. The text is still underneath.
08:43
The document looks redacted. Copying its text tells a different story.
08:43
redaction-demo.pdf
Not included, change data exporting settings to download.
2.0 KB
The demonstration PDF. Try selecting the text.
D
08:43
Dr. Trustme
And what about the history section?
D
08:43
Dr. Blackbox
The firm's timeline names von der Goltz. The archive identifies him as an NSDAP politician.
D
08:44
Dr. Trustme
Surely the title on the letterhead settles it?
D
08:44
Dr. Blackbox
A doctorate is not a file-integrity check. Read the document, not the title.
D
08:44
Dr. Trustme
What if we sign the exported file?
D
08:44
Dr. Blackbox
A signature can authenticate this file. It does not prove that this file matches the chat.
D
08:44
Dr. Trustme
Export it. Then compare the file with this chat.