How do I check a downloaded file is exactly what I uploaded?

How-toUpdated November 2, 2026

Code Buckets verifies every chunk as it decrypts it: a tampered chunk fails instead of returning wrong bytes.

To check on your side:

Chunk downloads include X-Content-SHA256; hash what you received and compare.
Whole file: compute sha256sum before uploading and after downloading, and compare.

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