Is there a way to create a custom sequence to be used in OTBI reports inside the Fusion application

Summary:

Is there a way to create a custom sequence to be used in OTBI reports inside the Fusion application 

Content (required):

Say we want to create a report that will be called to generate an XML to be sent to a third party.

and we want to generate a unique (not a unique per run. a real unique) identifier for each row

Version (include the version you are using, if applicable):

23c

Code Snippet (add any code snippets that support your topic, if applicable):

N/A