It appears possible or likely that the OTHER arxiv pre-print "The First Room-Temperature Ambient-Pressure Superconductor" (the 3 author one - https://arxiv.org/abs/2307.12008) was uploaded without certain authors' permissions, and may be retracted for non-technical reasons.
This market refers to the 6-author pre-print, "Superconductor Pb10−xCux(PO4)6O showing levitation at room temperature and atmospheric pressure and mechanism" (https://arxiv.org/abs/2307.12037) uploaded on the same day.
This market resolves positively if the pre-print is retracted from arxiv for any reason by 11:59pm on December 31st, 2023.
1,000
3.00staying out of this because I'm not sure, but I'll note that as of right now it looks like the 6-author version was published in response to the three author version, to document the full group of authors. It seems entirely possible that if the 3-author version is removed from arxiv that the 6-author one will be voluntarily retracted, as their work will not longer be misattributed.