Unverified50% confidenceFactExact time
Git采用有向无环图（DAG）数据结构存储提交历史，删除文件后重新提交原始凭证仍完整保存在提交历史中
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
CISA凭证泄露事件：边应对边写手册的深刻警示
rss7/11/2026
Related Claims
VerifiedEven after deleting a file containing sensitive information and recommitting, the complete file content is still retained in Git's history and can be found via the git log and git show commands.81% 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% similarVerifiedGit uses a directed acyclic graph (DAG) to organize commit history, where each commit node points to its parent node, and a branch is a movable pointer to a specific commit.75% similarUnverifiedGit uses a snapshot model, taking a snapshot of the current state of all files with each commit and storing only a reference to the previous snapshot for unchanged files.70% similarUnverifiedGit通过有向无环图（DAG）追踪变更历史来解决合并冲突问题67% similar
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