Guix publish pipe error from #{read pipe}#

[Pjotr Prins]

On a recent guix-publish server I get many of these

  gzip: stdin: invalid compressed data--format violated
    r-annotationdbi-1.36.0
    1.7MiB/s 00:02 | 3.0MiB transferredguix substitute: error: corrupt
  input while restoring
    
'/gnu/store/g33ns71m61zs5sn758smmc4lnv6h4c4q-r-annotationdbi-1.36.0/site-library/AnnotationDbi/extdata/HG-U95Av2_probe_tab.gz'
 from #{read pipe}#

I don't think this is a guix problem per se. I have a hunch the people
changed the firewall which may cause this.  Anyone any other ideas?

Pj.