If you are sued, you have evidence to show

Nobody can edit a check-in, not even an admin. Every change is recorded.

Try it free Read how to prove attendance in a lawsuit

Every action, with who, when and where

Every action in Presente writes an event. The event keeps who did it, with which role and what they did. It also keeps the server time, the phone time and the device. At check-in, it keeps the position.

Chained hash and signed checkpoints

  1. Each event has a SHA-256 hash that includes the hash of the event before it. If an event changes, the chain stops matching from that event on.
  2. Every day at 00:05, the server signs a checkpoint with an Ed25519 key.
  3. Presente has no function to edit or delete an event. Not for an admin, not for support.
  4. A correction is a new event. It cites the original event, and both stay visible.

Check it yourself, whenever you want

"Verify integrity" recalculates the chain of a period. The result says how many events it checked and whether they match. If they do not match, it says at which event the chain broke and opens a risk.

The evidence for one person, in one step

The law asks you to keep records and show them

Presente keeps the events for the whole employment relationship and for 18 months after the person leaves. Art. 804 of the LFT (Federal Labor Law) asks for 1 year.

The event log helps prove what happened. The authority decides the weight of the evidence.

Frequently asked questions

Who sees the event log?

An admin. Each person sees their own workdays and requests in their app.

What happens with a wrong check-in?

The person asks for a clarification with the reason. An admin answers it. The original check-in does not change, and the clarification stays linked to it.

Is anything ever deleted?

When the legal retention period ends, the personal data is blocked. The hashes stay.

Start your company's chain today

Try it free

Related links: Reports and Risks · Guide: how to prove attendance in a labor lawsuit · Guide: electronic work-time register