# Timestamping Timestamping cryptographically binds a trusted time to a document or signature, proving that it existed in a specific state at a specific moment. Trusted timestamps strengthen non-repudiation and are critical for long-term validity, dispute resolution, and regulatory compliance. Timestamping is typically issued by an independent Time Stamping Authority (TSA) which can be configured in the platform --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://support.emsigner.com/key-concepts/timestamping.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.