gistfile1.txt

$ crane manifest mcr.microsoft.com/dotnet/sdk:5.0.102-1-alpine3.12
{
   "schemaVersion": 2,
   "mediaType": "application/vnd.docker.distribution.manifest.list.v2+json",
   "manifests": [
      {
         "mediaType": "application/vnd.docker.distribution.manifest.v2+json",
         "size": 1798,
         "digest": "sha256:9a210bb9cbbdba5ae2199b659551959cd01e0299419f4118d111f8443971491a",
         "platform": {
            "architecture": "amd64",
            "os": "linux"
         }
      }
   ]
}

# Looking at the image it actually points to
$ crane manifest --platform linux/amd64 mcr.microsoft.com/dotnet/sdk:5.0.102-1-alpine3.12
{
   "schemaVersion": 2,
   "mediaType": "application/vnd.docker.distribution.manifest.v2+json",
   "config": {
      "mediaType": "application/vnd.docker.container.image.v1+json",
      "size": 7741,
      "digest": "sha256:7849a342a23f9d62d600202ffa064b696c113f19ce111e2ee44be97905a8edd9"
   },
   "layers": [
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 2799066,
         "digest": "sha256:801bfaa63ef2094d770c809815b9e2b9c1194728e5e754ef7bc764030e140cea"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 1726027,
         "digest": "sha256:5baca56f78036002fb2fa556dd671c5440e7580339be705070c4d4909b83f972"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 31232634,
         "digest": "sha256:2c904c7b2cfa190067456905fd27a76f0f5fe7d3ed659f3a164ca8e75af582a5"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 8651793,
         "digest": "sha256:244ee045236d7b1f68ffe2485121b007bae7b712d66344b9da6e22b264aeebc7"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 22171061,
         "digest": "sha256:4ac7fe13b831adf4de49060380bb3ef3fc69099d3aa99a35f798cd479ce64b13"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 99817927,
         "digest": "sha256:4d2d863a32387a2d24e0bda4311a7ed021e85a586d3c182bcf958496f57bb9da"
      },
      {
         "mediaType": "application/vnd.docker.image.rootfs.diff.tar.gzip",
         "size": 12709914,
         "digest": "sha256:70f67b1ca1669e10eb314b5416f4cfc50c30e4d111dd5424109ecf189d0bd44a"
      }
   ]
}