The Common TypeID structure is available for public use under the Attribution/Share Alike Creative Commons license.

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0 to 9999 - Groups and Organizations
10000 to 19999 - Locations
20000 to 29999 - Events
50000 to 59999 - Vehicles
60000 to 69999 - Individuals
70000 to 79999 - Plants and Animals
80000 to 89999 - Content, News, Resources
90000 to 99999 - Elements *
100000 and above -Products and Equipment / Custom Types

* Elements consist of: Requests, Applications, Surveys, Reservations, Observations, Reports, Files, Images and Descriptive Variables.