WITNESS my hand and official seal. Signature. (Seal). A notary public or other officer completing this certificate verifies only the identity of the individual.An acknowledgment is one of the most common types of notarial acts, but it often confuses Notaries. Here are 5 steps to performing an acknowledgment. Right to Opt-Out of E-Signatures. You are not required to use E-Signatures or accept electronic documents provided thereby. Santa Clara Valley Transportation Authority's (VTA's) Accountable Executive.