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Upload & verify
Upload flight logs from your Nano V1 altimeter to the Altimeter Cloud. Each log contains a SHA-256 verification hash generated from encrypted firmware — we verify it’s genuine and unedited before adding it to your account.
Flight log upload & verify
Drag and drop or click to select your CSV flight log. If verification passes, it will be added to your Altimeter Cloud account where you can view charts, share flights, and add notes.
How does verification work?
Each Nano runs AES-256 encrypted firmware that generates a SHA-256 hash from your flight data and settings. When you upload, our server recomputes the hash independently — if they don’t match, the log is rejected as modified.
Just verifying?
Upload as normal — verified flights are stored on the Altimeter Cloud automatically.