442x Apr 2026

It appears as a portion of an ORCID iD for researchers, such as Lion Shahab from University College London (ORCID: 0000-0003-4033-442X), who focuses on tobacco control and health psychology.

It might refer to a specific clan, user handle, or a setting within a game. It appears as a portion of an ORCID

It is part of the Digital Object Identifier (DOI) for specific medical studies, such as research on the paleopathology of syphilis (doi: 10.1078/0018-442x-00037). It appears as a portion of an ORCID

"442x" is sometimes used as a shorthand for specific model series in networking equipment or industrial sensors. It appears as a portion of an ORCID

To provide a helpful draft, could you please clarify what "442x" refers to?