Technical information
Technical Information
Information & Resources
Access integration documentation, technical specifications, certificate chains, and TSA service details.
Integration Guides & Developer Docs →
Code samples and tutorials for PHP, OpenSSL, C# .NET, Java, Python, PowerShell, and Adobe Acrobat Reader.
TSA Root & Intermediate Certificate Chain (.zip) →
Download the official trusted CA certificates required to validate timestamp response tokens (.tsr) offline.
eIDAS Trust Status & EU Trusted List (EUTL) →
Verification details regarding qualified status under Regulation (EU) No 910/2014 and European Trusted List accreditation.
TSA Policy Identifier (OID)
Official Object Identifier for requested timestamp policies: 1.3.6.1.4.1.36915.4.2023.1.1
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Test qualified timestamps on your own workflow
Connect your signing or archiving system to our RFC 3161 endpoint and see the result in Adobe Acrobat.