In academic publishing, particularly in the journal Environmental Pollution , is the unique identifier for a 2025 study titled "Precision management of Cd-contaminated paddy fields with high geochemical backgrounds in karst regions".

The number is widely used as a manufacturer part number (MPN) for mechanical components:

The number appears in city memorandums of understanding (MOU) regarding salary schedules and retirement compensation figures. Alan E. DeFries Collection - The Library of Congress