19312009

19312009 is an eight-digit numeric string that can function as an identifier or key in various data contexts. By itself, it does not denote a widely recognized event, person, or concept in major reference works.

One common way such a sequence is interpreted is as a concatenation of two four-digit numbers, for example 1931 and 2009. In this sense, the string may encode two separate years or fields that were joined to produce a single identifier. In data management, similar concatenations are often used to create compact keys that combine multiple attributes, such as a location, batch, or category code with a year.

In practice, 19312009 may appear as a catalog number, accession code, product serial, or other record identifier within a specific organization’s system. When encountered in isolation, it is typically opaque to end users and requires contextual metadata (such as the database schema or data dictionary) to interpret correctly.

Notability and references: there is no standalone, universally recognized topic associated with the exact sequence 19312009. If a particular institution uses this exact string, its meaning would be defined within that organization’s documentation and data conventions.

See also: numeric codes, date formats, concatenated identifiers, data encoding, cataloging systems.