+D01 often signifies a foundational designation, marking the inception of a [Data Set](/wiki/Data_Set) or a primary [Experiment](/wiki/Experiment). It serves as an initial reference point, a genesis in a series of developments or observations.
+## See also
+- [Identifier](/wiki/Identifier)
+- [Prototype](/wiki/Prototype)
+- [Baseline](/wiki/Baseline)
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