[1]Bluebook:Stanford Ctr. for Legal Informatics (CodeX), CodeX TechIndex: SignPro.AI, https://techindex.law.stanford.edu/companies/signpro-ai (last visited July 1, 2026).
[2]APA:Stanford Center for Legal Informatics (CodeX). (n.d.). SignPro.AI. In CodeX TechIndex. Retrieved July 1, 2026, from https://techindex.law.stanford.edu/companies/signpro-ai
[3]BibTeX:@misc{techindex_company_14529,
author = {{Stanford Center for Legal Informatics (CodeX)}},
title = {{CodeX TechIndex: SignPro.AI}},
howpublished = {CodeX TechIndex},
url = {https://techindex.law.stanford.edu/companies/signpro-ai},
urldate = {2026-07-01}
}