d materials were filed in that court, and every court has "inherent `supervisory power over its own records and files," United States v. Erie Cty., N Y., 763 F.3d 235, 240 (2d Cir. 2014) (quoting Nixon, 435 U.S. at 598); accord Newsday LLC v. County of Nassau, 730 F.3d 156, 163 (2d Cir. 2013). The s