Google Secures ML Models with Sigstore Signing

Google is using the OpenSSF Model Signing standard and Sigstore to cryptographically sign machine learning models, starting with platforms like Kaggle. This ensures model integrity, traceability, and protection against tampering throughout the ML supply chain. The approach enables automatic signing and verification at upload and deployment. 

https://openssf.org/blog/2025/07/23/case-study-google-secures-machine-learning-models-with-sigstore

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