It looks like the contents of the couchdb1.3.x.tar.gz release file of GeoCouch published on GitHub have changed at some point. Is this expected? This is the file at https://github.com/couchbase/geocouch/archive/couchdb1.3.x.tar.gz.
As of June 15 2014, the SHA256 checksum for couchdb1.3.x.tar.gz was:
(This can be picked up from the Mac Homebrew formula; its build system verified the SHA sum on June 15 2014, while preparing this commit: https://github.com/Homebrew/legacy-homebrew/commit/e0e876b9080d9e59f8d5538ea5e8c71af1736f86)
As of today, April 19, 2016, the SHA256 checksum for couchdb1.3.x.tar.gz is:
(This is from me downloading it and running
shasum on it manually on OS X 10.9.)
Was this file republished at some point? Are its contents expected to be different from the 2014 version?