Expired60% confidenceFactExact time
At the underlying implementation level, a Git branch is a text file under the .git/refs/heads/ directory that stores a 41-byte commit SHA-1 hash value.
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/3/2026
First Seen
Valid until: 10/1/2026(expired)
Sources
Claude Code Session Rewind Explained: A Practical Guide with Git Workflow Integration
bilibili啥都懂的程序员6/22/2026
Related Claims
VerifiedA Git branch is essentially a movable pointer to a commit node, a text file storing the commit's SHA-1 hash value.78% similarUnverifiedGit松散对象存储在.git/objects目录下，文件路径由SHA-1哈希值的前两位作为子目录名和剩余38位作为文件名组成76% similarUnverifiedGit将每个文件内容通过SHA-1哈希为blob对象永久存储，即便git rm后仍可通过git reflog或git fsck恢复75% similarVerifiedIn Git, every file, directory, and commit has a SHA-1 hash computed as its address in the object database.74% similarUnverifiedGit创建一个新分支只需创建一个41字节的文件73% similar
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