| git commit-tree c47b > 9ee76e488f2882f12e5fb15d8016e80946ff48dd $ git cat-file -p 9ee76e488f2882f12e5fb15d8016e80946ff48dd > tree c47b19c8b7a3b7724138f73e4cd53efa0f1e9595 > author TakeruHayasaka <taketarou2@gmail.com> 1538081510 +0900 > committer TakeruHayasaka <taketarou2@gmail.com> 1538081510 +0900 > first commit