1. Genesys Cloud CX Resource Center, "Manage flows": In the section titled "Delete a flow," the official documentation explicitly states: "When you delete a flow, you delete all of its versions. This action cannot be undone." This directly contradicts the premise of the question.
Source: Genesys Cloud CX Resource Center > Architect > Flows > Manage flows.
2. Genesys Cloud CX Resource Center, "Flow versions": This document explains the concept of flow versioning, clarifying that a single flow name acts as a container for multiple versions. It details actions like publishing a new version or reverting to an old one, which are distinct from deleting the entire flow object. The architecture described implies that the "flow" is the parent object to all its "versions."
Source: Genesys Cloud CX Resource Center > Architect > Flows > Flow versions.