Integrity fingerprint
A SHA-256 fingerprint is calculated on deposit: the slightest alteration to the document is immediately detectable.
Keep your important documents — signed contracts, pay stubs, invoices — sealed, timestamped and immutable for their entire legal retention period. For individuals and businesses alike.
Every document you deposit goes through a chain of evidence that complies with the NF Z42-020 standard.
A SHA-256 fingerprint is calculated on deposit: the slightest alteration to the document is immediately detectable.
An RFC 3161 timestamp token, issued by a third-party timestamping authority, attests to the date of deposit of each document.
Documents are locked in write-once mode: they cannot be modified or deleted before the end of their retention period.
You can retrieve all your documents at any time, with no dependency and no vendor lock-in.
Discovering the subject? Our digital safe deposit box guide details probative value, the NF Z42-020 standard and retention periods document by document.
Gather your pay stubs, contracts, invoices and personal documents in one place, secure and accessible for life.
Archive your signed contracts, invoices (French e-invoicing reform 2026) and HR documents with probative value, and give each of your employees their own safe.
When a Certyneo signature is completed, the signed document and its audit trail can be automatically deposited in your safe. No manual steps, immediate preservation.
Start for free, then scale your safe as your needs grow.
To get started and store the essentials.
More space and secure sharing.
Archiving with probative value for teams.
Volume, SSO, API and employee safe.
Beyond your plan quota.
An individual safe for each employee (pay stubs).
Volume pricing: each band applies only to the employees it contains. Added on top of a Pro or Business team safe.
Everything you need to know about Certyneo Vault.
It is a storage space where each document is sealed (fingerprint + RFC 3161 timestamp) and made immutable, in accordance with the NF Z42-020 standard. Its date and integrity can be verified by a third party.
Yes. Each document is encrypted at rest with a key specific to your safe. No one can access it without authorization.
Yes. Full retrieval is guaranteed at any time, with no vendor lock-in — it is a requirement of the standard and a Certyneo commitment.
10 years by default, with retention periods you can configure to match your legal obligations.
Learn more.
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