# Cosign offline drop (runtime/signals signing) - Version: `v2.6.0` (pinned to keep `sign-blob` arguments aligned with the sprint’s DSSE snippets). - Binary: `tools/cosign/cosign` → `tools/cosign/v2.6.0/cosign-linux-amd64` - SHA256: `ea5c65f99425d6cfbb5c4b5de5dac035f14d09131c1a0ea7c7fc32eab39364f9` - Check: `cd tools/cosign/v2.6.0 && sha256sum -c cosign_checksums.txt --ignore-missing` - Use: add `tools/cosign` to `PATH` or call `./tools/cosign/cosign sign-blob --predicate-type … --output-signature … `