Documented as a verb is to record in documents. while Authenticated as a verb is to render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
Part of speech: verb
Definition: To record in documents.
Part of speech: verb
Definition: To render authentic; to give authority to, by the proof, attestation, or formalities required by law, or sufficient to entitle to credit.
We hope you now know whether to use Documented or Authenticated in your sentence.