AqtaAqta

We build AI
you can check.

Seal for AI agents. Testera for learners.

two products, one habit: showing the work

Seal

Checks what an AI agent is about to do against what a person approved, and signs every decision.

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Testera

Free language practice with AI voice tutors and games, in 22 languages, Irish first.

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What we work on

  • Verifiable AI decisions

    Every decision signed, checkable offline by anyone.

    2,040 signed records in our public log · see one checked Includes our own demo and test records.

    Check a receipt

  • An open record format

    Published as an IETF individual Internet-Draft, with two open verifiers.

    Read the draft

  • Tested in the open

    21 open models, 3,772 scored runs in our open evaluation.

    See the evaluation