Universal Machine Format
UMF›
The open specification for building universal machine images. Parse once, deploy anywhere.
Capabilities
Built for the Light Out era.
Universal images
One spec for any hypervisor, cloud, or bare metal target.
Cryptographic provenance
Every layer is signed and verifiable end-to-end.
Parse once, deploy anywhere
Build artifacts that target every fleet you operate.
Open specification
Vendor-neutral, with first-party SDKs in 8 languages.
Reproducible builds
Bit-for-bit identical outputs from the same input graph.
Edge-ready
Ships images sized for constrained deployment topologies.