There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

Module Permissions for Class-Tangram

Authorized Releasers (1)
SAMV
Module (3) Owner (1) Co-Maintainers (0)
Class::Tangram SAMV
Class::Tangram::Generator SAMV
Tangram::Transient SAMV