oras version
Version:    1.2.0+Homebrew
Go version: go1.22.3

oras discover --format tree quay.io/lzha/ocilistreferrs:oci     
quay.io/lzha/ocilistreferrs@sha256:0de63ba2d98ab328218a1b6373def69ec0d0e7535866f50589111285f2bf3fb8
└── <unknown>
    ├── sha256:342bba778f804eb916006c952ebb51d281d0d4f982bd9fc1d4a120eef4075166
    ├── sha256:814a632fddc16a7ad93a714691cf8429375c9a15bab0d2f14be449cc8f7bd9eb
    └── sha256:f195f9f73b0e30aab9014237d3a5f25a42673b072956d03215c984dfb4ee2a6f 


skopeo inspect docker://quay.io/lzha/ocilistreferrs@sha256:59db109df0fd8106eb47079c4c8219500e9217401d9b7732d743998ab1b92e36 --raw | jq
{
  "schemaVersion": 2,
  "mediaType": "application/vnd.oci.image.index.v1+json",
  "manifests": [
    {
      "mediaType": "application/vnd.oci.image.manifest.v1+json",
      "digest": "sha256:342bba778f804eb916006c952ebb51d281d0d4f982bd9fc1d4a120eef4075166",
      "size": 793,
      "annotations": {
        "org.opencontainers.image.created": "2024-07-15T04:57:32Z",
        "producer": "syft 0.63.0"
      },
      "artifactType": "application/spdx+json"
    },
    {
      "mediaType": "application/vnd.oci.image.manifest.v1+json",
      "digest": "sha256:814a632fddc16a7ad93a714691cf8429375c9a15bab0d2f14be449cc8f7bd9eb",
      "size": 776,
      "annotations": {
        "org.opencontainers.image.created": "2024-07-15T04:58:14Z",
        "producer": "syft 0.63.0"
      },
      "artifactType": "text/spdx"
    },
    {
      "mediaType": "application/vnd.oci.image.manifest.v1+json",
      "digest": "sha256:f195f9f73b0e30aab9014237d3a5f25a42673b072956d03215c984dfb4ee2a6f",
      "size": 806,
      "annotations": {
        "org.opencontainers.image.created": "2024-07-15T04:58:43Z",
        "producer": "syft 0.63.0"
      },
      "artifactType": "application/vnd.cyclonedx+json"
    }
  ]
}