Well-documented (adjective)

Having many sources of information that can be used to verify or support something.

Origin:

Compound of well and documented, from the verb document, from latin documentum.

Examples:

1. The well-documented history of the event made it easy for researchers to understand what had happened.
2. The study had a well-documented methodology, which made it easy for other researchers to replicate.
3. The company's financial records were well-documented and easy to follow.
4. The artist's work was well-documented in the exhibition catalog.
5. The well-documented case study provided valuable insights into the problem.