{"push_id":570519195,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"34bc608b8dd3e7db614e48fc43a795231aac898d","before":"87204a95a4bed86d68b18601b012512afce3b924","commits":[{"sha":"34bc608b8dd3e7db614e48fc43a795231aac898d","author":{"email":"4a91b408df790013d76d7a133f699d5f1333b19d@complex.ist.hokudai.ac.jp","name":"Junpei Tsuji"},"message":"Update zeta.rb","distinct":true,"url":"https://api.github.com/repos/junpeitsuji/ruby_zeta/commits/34bc608b8dd3e7db614e48fc43a795231aac898d"}]}