pdf-signing

Cryptographically sign PDFs (invoices, contracts, letters, forms) with open-source tooling — pyHanko applying a PAdES/eIDAS-aligned digital signature plus an optional visible signature panel. TRIGGER when the user asks to "digitally sign", "e-sign", "add a digital signature to", "sign this invoice/contract/PDF", "make a signed PDF", "certify a PDF", or need…

Independent GitHub snapshot · Automated classification · Original documentation governs