You would implement a HTL component using Java WCMUSEPOJO and obtain this node property using Java code. Then display the value via HTL - as explained the correct response of this thread.
We do not have 6.1 articles that describe this. We do have more recent articles that may be helpful - see: Building Experience Manager Components using Granite/Coral Resource Types
You can use the JCR API to reference a node and modify any of its props. Are you familiar with using the JCR API? Do you know how to get a session by using a System user and the Sling Mapping Service?