The phrase "authoritative version" is correct and commonly used in written English.
It refers to the most reliable or official version of something, often a document or piece of information. Example: "Please refer to the authoritative version of the company's policies before making any decisions."
But which was the later, and thus the authoritative version?
As a "consumer" of the document, he thought it was "the authoritative version".
It became the authoritative version, picked up by the rest of the press.
The most current and authoritative version
There is no authoritative version of events, but it does not look as if that promise is being kept.
The deep conflicts that characterized the history of Christianity in France made it difficult for one authoritative version to emerge.
This refers to scholarship that approaches texts as material objects – looking at textual variants, editorial and print histories, physical properties – in order to establish authoritative versions of texts or pin-point them on a bibliographic continuum.
Textually, he provided western European thinkers with authoritative versions of Plato, Plotinus, and other Platonizing thinkers.
Her writing was required reading for court poets as early as the 12th century as her work began to be studied by scholars who generated authoritative versions and criticism.
The Hexapla was a synopsis of Old Testament versions: the Hebrew and a transliteration, the Septuagint (an authoritative Greek version of the Old Testament), the versions of Aquila, Symmachus, and Theodotion and, for the Psalms, two further translations (one being discovered by him in a jar in the Jordan Valley).
The authoritative scholarly version of Leibniz's works, the Akademie edition, has thus far only published his philosophical writings from 1663 to 1690; in other words, only half of his writing life has been covered.
