Attestations for
  ghcr.io/kapsl-sh/r-project@sha256:4eaf51236f9ef057389cc90df8ab33e007598a127b23ab012191be266cda19ae

Verify them yourself:
  cosign verify-attestation --key cosign.pub \
      --type <cyclonedx|slsaprovenance> ghcr.io/kapsl-sh/r-project@sha256:4eaf51236f9ef057389cc90df8ab33e007598a127b23ab012191be266cda19ae

=== cyclonedx ===================================================
  subject   ghcr.io/kapsl-sh/r-project
  digest    sha256:4eaf51236f9ef057389cc90df8ab33e007598a127b23ab012191be266cda19ae
  states    42 component(s) are inside this image
      base                   4.6.1                    pkg:cran/base@4.6.1
      brotli                 1.2.0-3build1            pkg:deb/ubuntu/brotli@1.2.0-3build1?distro=ubuntu-26
      bzip2                  1.0.8-6build2            pkg:deb/ubuntu/bzip2@1.0.8-6build2?distro=ubuntu-26.
      compiler               4.6.1                    pkg:cran/compiler@4.6.1
      curl                   8.18.0-1ubuntu2.4        pkg:deb/ubuntu/curl@8.18.0-1ubuntu2.4?distro=ubuntu-
      cyrus-sasl2            2.1.28+dfsg1-9ubuntu3    pkg:deb/ubuntu/cyrus-sasl2@2.1.28%2Bdfsg1-9ubuntu3?d
      datasets               4.6.1                    pkg:cran/datasets@4.6.1
      e2fsprogs              1.47.2-3ubuntu4          pkg:deb/ubuntu/e2fsprogs@1.47.2-3ubuntu4?distro=ubun
      gmp                    2:6.3.0+dfsg-5ubuntu2    pkg:deb/ubuntu/gmp@2%3A6.3.0%2Bdfsg-5ubuntu2?distro=
      gnutls28               3.8.12-2ubuntu1.1        pkg:deb/ubuntu/gnutls28@3.8.12-2ubuntu1.1?distro=ubu
      grDevices              4.6.1                    pkg:cran/grDevices@4.6.1
      graphics               4.6.1                    pkg:cran/graphics@4.6.1
      ... and 30 more

=== slsaprovenance ==============================================
  subject   ghcr.io/kapsl-sh/r-project
  digest    sha256:4eaf51236f9ef057389cc90df8ab33e007598a127b23ab012191be266cda19ae
  build     https://index.kapsl.sh/buildtype/v1
  builder   https://index.kapsl.sh
  from      58 resolved input(s)
      source             https://cran.r-project.org/src/base/R-4/R-4.6.1.tar.gz
      base-image         ghcr.io/kapsl-sh/kapsl-base-static:latest
      apt-package        pkg:deb/ubuntu/binutils
      apt-package        pkg:deb/ubuntu/ca-certificates
      apt-package        pkg:deb/ubuntu/curl
      apt-package        pkg:deb/ubuntu/file
      apt-package        pkg:deb/ubuntu/findutils
      apt-package        pkg:deb/ubuntu/g++
      apt-package        pkg:deb/ubuntu/gcc
      apt-package        pkg:deb/ubuntu/gfortran
      apt-package        pkg:deb/ubuntu/gzip
      apt-package        pkg:deb/ubuntu/libbrotli1
      ... and 46 more
  sbom      sbom.json sha256:5564c65207f72115bf10b058aa32863f...