JSON blob 3c548a849ab1b7b579ffc12f1c447955dc6b9444008e0cf59c965664e61c0ad2

{
  "schemaVersion": 2,
  "mediaType": "application/vnd.oci.image.index.v1+json",
  "manifests": [
    {
      "mediaType": "application/vnd.oci.image.manifest.v1+json",
      "digest": "sha256:bc436878b88743dc750885640eb27e36a889d30725f7827ef8fb5cae7a191925",
      "size": 2006,
      "platform": {
        "architecture": "amd64",
        "os": "linux"
      }
    },
    {
      "mediaType": "application/vnd.oci.image.manifest.v1+json",
      "digest": "sha256:f6deb2fbfb9aec95b96dab7caca6a24cdbd87a58dd36105b622761f49d28d420",
      "size": 567,
      "annotations": {
        "vnd.docker.reference.digest": "sha256:bc436878b88743dc750885640eb27e36a889d30725f7827ef8fb5cae7a191925",
        "vnd.docker.reference.type": "attestation-manifest"
      },
      "platform": {
        "architecture": "unknown",
        "os": "unknown"
      }
    }
  ]
}

Images, referring to this json: