https://arxiv.org/html/2406.02466v2
Authors. Clough, Dietrich & Khan
Venue. The Open Journal of Astrophysics — arXiv rendering
How the Institute flags it
frontier 2 times speculative 2 times
This source carries more than one flag across the corpus. That is not an inconsistency to resolve: the same work can be established evidence for one claim and frontier evidence for another, and the flag belongs to the use rather than to the source.