A cosmic library of every event, readable by the attuned.
Documented
A Theosophical coinage
Akasha is a genuine Sanskrit philosophical term for space or aether. The records as a readable cosmic memory were assembled by Theosophists in the late nineteenth century and popularized by Edgar Cayce, who claimed to read them in trance.
Assessment: Documented: the word is old, the library is Victorian. The combination is the archive's favorite kind of fossil.
Stories
Every soul has a file
The reader's pitch: every life, thought, and future possibility is on record, and a trained reader can pull your file, for a fee, with results vague enough to fit any client.
Assessment: The reading industry is documented and thriving. Verifiable hits are anecdotal; the fit-any-client structure is the same one that keeps horoscopes employed.
Interesting claims
The universe as information
The modern mystical argument: physics increasingly describes information as fundamental, so a total record of events may be less mystical than it sounded in 1890. The quantum vacuum, some say, is akasha with math.
Assessment: The physics cited is real; the identification is poetry. Information theory records states, not a browseable biography of souls. The claim survives by borrowing vocabulary faster than physics can retire it.
Sources and further reading
Blavatsky, Isis Unveiled (1877), the coinage in context
Cayce reading transcripts, ARE archives
Todeschi, Edgar Cayce on the Akashic Records (1998)
Worth asking
If a cosmic archive existed, would its index be provable, or would it look exactly like this one?