Frequently Asked Questions

Homostamp is a timestamping platform that helps you cryptographically prove that your digital works, documents, and files existed at a specific point in time.

Instead of the file itself, only a unique cryptographic digest (hash) generated via SHA-256 is used. The resulting certificate allows you to independently verify the existence of your work on a specific date and share it with third parties when necessary.

Generated timestamp certificates can be used as supporting technical evidence in:

• Copyright and intellectual property disputes
• Software and source code verifications
• Registration of academic works
• Proving creation timestamps of AI outputs
• Commercial contracts and reports
• Design, photography, video, and digital artwork protection
• Corporate archiving and compliance processes

The final legal evaluation in any legal proceeding is made by competent authorities according to local regulations.

Yes. Cryptographic hash functions are deterministic. Re-verifying the same file years later generates the exact same hash value, which can be compared against the stamped record.

Certificates generated by Homostamp can be verified online anytime.

👉 Independent Verification Page

You can timestamp almost any digital file capable of generating a hash value. Examples include:

• PDF documents
• Word & Office files
• Images & photos
• Videos & audio recordings
• Source code & software
• ZIP & RAR archives
• CAD & design files
• Spreadsheets
• AI outputs
• Digital artworks

A timestamp is a cryptographic mechanism that verifies digital data existed at a specific time and has remained unaltered since creation.

By using only the cryptographic hash rather than the file itself, privacy is preserved while file integrity remains independently verifiable.

Cryptographic timestamps are constructed under international standards like eIDAS, ETSI, and RFC 3161, serving as key technical evidence to support digital data reliability.

However, the legal evaluation of any digital record is made by competent courts or authorities based on applicable local laws and specific case contexts.

Every timestamping operation generates a verifiable certificate containing:

• SHA-256 hash value of the file
• Timestamp date and time (UTC)
• Unique Certificate ID
• Cryptographic algorithms used
• Verification meta-data
• Integrity proof signatures

A cryptographic timestamp proves existence in time, but where that record is stored is equally important. Storing timestamp records on a single server introduces risks of tampering, deletion, or outage.

Blockchain adds an additional layer of trust. Its decentralized ledger ensures records are verified across independent nodes, making retroactive alterations or deletions practically impossible.

No. Modern systems like Homostamp never upload your actual files to the blockchain. Only the unique SHA-256 hash digest is recorded.

This ensures complete privacy, protection of personal data, and long-term independent verifiability.

Blockchain-anchored timestamping provides immutability, removes single points of failure, enables decentralized verification, and elevates digital evidence reliability globally.

Yes. Timestamps can be issued solely by a trusted Time Stamp Authority (TSA). Blockchain complements timestamps by adding decentralized immutability and transparency, building a stronger long-term trust model.