verifier

plural verifiers

1. agentAgent noun of verify: someone or something that verifies.

   1 more example

   The Branding Machine is mainly responsible for computing and writing of the unique and secure product validation data to the tag. The component called product verifier is able to determine whether the product validation data delivered by an RFID tag is authentic and thus indicates the tagged product’s authenticity.

   2008, Damith C. Ranasinghe, Peter H. Cole, “Introduction from the editors”, in Networked RFID Systems and Lightweight Cryptography: Raising Barriers to Product Counterfeiting, Springer, →ISBN, page 18

   Synonyms: verificator

2. historicalcomputingA device used to verify that a punched card had been punched correctly.