JSON blob d221b2e287ad89ff29d27e640ca55676e2287fa9db09a0100591f6504a0e0f3a

{
  "schemaVersion": 2,
  "mediaType": "application/vnd.oci.image.index.v1+json",
  "manifests": [
    {
      "mediaType": "application/vnd.oci.image.manifest.v1+json",
      "digest": "sha256:90ebd9c6ad4313feec4f9d1064298e5c982d1957f74be5de895da7a085d0dd01",
      "size": 2006,
      "platform": {
        "architecture": "amd64",
        "os": "linux"
      }
    },
    {
      "mediaType": "application/vnd.oci.image.manifest.v1+json",
      "digest": "sha256:a569db75bf4550e649b6c7a454c555300fc661c26dd0708ee4391558c9dca8e2",
      "size": 565,
      "annotations": {
        "vnd.docker.reference.digest": "sha256:90ebd9c6ad4313feec4f9d1064298e5c982d1957f74be5de895da7a085d0dd01",
        "vnd.docker.reference.type": "attestation-manifest"
      },
      "platform": {
        "architecture": "unknown",
        "os": "unknown"
      }
    }
  ]
}

Images, referring to this json: