# Building towards OCI v1.1 support in cosign

DevFeed: [Building towards OCI v1.1 support in cosign](<https://devfeed.tech/articles/building-towards-oci-v1-1-support-in-cosign-12913.md>)

Original publisher: [Read original article](<https://www.chainguard.dev/unchained/building-towards-oci-v1-1-support-in-cosign>)

Published: 2023-02-17T00:00:00Z

Content type: article

Language: en

Sources: [Chainguard: Unchained](<https://devfeed.tech/sources/chainguard-unchained.md>)

Topics: [supply-chain-security](<https://devfeed.tech/topics/supply-chain-security.md>), [releases](<https://devfeed.tech/topics/releases.md>), [pull-requests](<https://devfeed.tech/topics/pull-requests.md>), [Maintainers](<https://devfeed.tech/topics/maintainers.md>)

Tags: [cosign](<https://devfeed.tech/tags/cosign.md>), [http](<https://devfeed.tech/tags/http.md>), [maintainers](<https://devfeed.tech/tags/maintainers.md>), [manifest](<https://devfeed.tech/tags/manifest.md>), [oci](<https://devfeed.tech/tags/oci.md>), [oci-registry](<https://devfeed.tech/tags/oci-registry.md>), [oci-v1-1](<https://devfeed.tech/tags/oci-v1-1.md>), [pull-requests](<https://devfeed.tech/tags/pull-requests.md>), [registry](<https://devfeed.tech/tags/registry.md>), [releases](<https://devfeed.tech/tags/releases.md>), [security](<https://devfeed.tech/tags/security.md>), [sha256](<https://devfeed.tech/tags/sha256.md>), [supply-chain](<https://devfeed.tech/tags/supply-chain.md>)

## AI overview

The article discusses progress toward OCI v1.1 and its implications for cosign. It explains how OCI proposals and approved pull requests address relationships between objects in registries, and introduces the Referrers Tag Schema as a more interoperable alternative to cosign's existing tag-based approach.

## Source excerpt

Learn about OCI, which is inching closer to a v1.1 release which provides official guidance on how to connect things in a registry.