https://arxiv.org/abs/2308.08708
Authors. Butlin, P., Long, R. et al. (19 authors)
Venue. arXiv:2308.08708 (abstract read; full text not obtained)
How the Institute flags it
frontier 4 times established 1 time
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.