Pixel Binary Transparency: verifiable security for Pixel devices

Google introduces Pixel Binary Transparency, a public, append-only cryptographic log backed by Merkle trees that records metadata for official Pixel factory images, allowing users to verify their devices run genuine, audited firmware and detect supply chain tampering, even if signing keys were compromised. The post explains how consistency and inclusion proofs validate the log and image authenticity, complements Android Verified Boot, and points to technical resources for users to perform checks, laying the groundwork for broader future transparency of device code.