TrueSource: Protect trust in state legislative publications
With the rise of AI, skepticism regarding the authenticity of online content is increasing rapidly. Once documents or records are published on the web, they can be altered easily using AI tools. Protect the integrity of legislative records — be it PDF, audio, video — with Propylon’s TrueSource solution. Leveraging best practices such as the Uniform Electronic Material Act (UELMA), TrueSource employs state-of-the-art cryptographic techniques to ensure tamper evidence and provide for digital attestation.

Built for compliance with international best practices
- Achieve full UELMA compliance with a solution built on the core principles of authentication, preservation and accessibility
- Ensure authenticity from the start with a system that automatically signs records upon publication and makes them available to your website
- Guarantee long-term preservation by aligning with ISO 14721:2025
Integrate seamlessly into your process
- Configure your platforms to publish to the TrueSource API to ensure records are digitally certified and signed
- Maintain control of your site with a record of authenticated URLs that can be displayed on your state’s website
- Integrate a UELMA-compliant solution without disrupting your legislative processes


Empower members of the public to authenticate digital legal records
- Provide the public with simple, accessible tools to instantly verify the source and authenticity of any legislative record
Tamper-evident data integrity
Data cannot be changed without detection, providing strong data integrity for critical applications
Cryptographic security techniques
Uses advanced cryptographic methods to protect data, making unauthorized alterations practically impossible.
Compliance and auditing
Perfect for audit trails and regulatory compliance, ensuring secure and trustworthy record-keeping.
Elevate control of digital documents and records in the AI era
We’ve been working with state legislatures, governments and parliaments for over 25 years. Partner to protect legislative integrity while also building transparency and openness with the public.