Well-documented

noun
1.
a written or printed paper furnishing information or evidence, as a passport, deed, bill of sale, or bill of lading; a legal or official paper.
2.
any written item, as a book, article, or letter, especially of a factual or informative nature.
3.
a computer data file.
4.
Archaic. evidence; proof.
verb (used with object)
5.
to furnish with documents.
6.
to furnish with references, citations, etc., in support of statements made:
a carefully documented biography.
7.
to support by documentary evidence:
to document a case.
8.
Nautical. to provide (a vessel) with a certificate giving particulars concerning nationality, ownership, tonnage, dimensions, etc.
9.
Obsolete. to instruct.
well-documented
adjective (well documented when postpositive)
1.
widely recorded or recounted: a well-documented fact
noun (ˈdɒkjʊmənt)
1.
a piece of paper, booklet, etc, providing information, esp of an official or legal nature
2.
a piece of text or text and graphics stored in a computer as a file for manipulation by document processing software
3.
(archaic) evidence; proof
verb (transitive) (ˈdɒkjʊˌmɛnt)
4.
to record or report in detail, as in the press, on television, etc: the trial was well documented by the media
5.
to support (statements in a book) with citations, references, etc
6.
to support (a claim, etc) with evidence or proof
7.
to furnish (a vessel) with official documents specifying its ownership, registration, weight, dimensions, and function