emerge portage
Calculating dependencies... done!
>>> Verifying ebuild Manifests...

>>> Emerging (1 of 1) sys-apps/portage-2.1.3.19 to /
>>> Resuming download...
>>> Downloading 'http://distfiles.gentoo.org/distfiles/portage-2.1.3.16.tar.bz2'
--19:54:43--  http://distfiles.gentoo.org/distfiles/portage-2.1.3.16.tar.bz2
           => `/usr/portage/distfiles/portage-2.1.3.16.tar.bz2'
Resolving distfiles.gentoo.org... 64.50.236.52, 64.50.238.52, 140.211.166.134, ...
Connecting to distfiles.gentoo.org|64.50.236.52|:80... connected.
HTTP request sent, awaiting response... 206 Partial Content
Length: 375,210 (366K), 374,629 (366K) remaining [application/x-tar]

100%[===========================================================================================================================================>] 375,210      318.88K/s

19:54:44 (318.18 KB/s) - `/usr/portage/distfiles/portage-2.1.3.16.tar.bz2' saved [375210/375210]

>>> Resuming download...
>>> Downloading 'http://distfiles.gentoo.org/distfiles/portage-2.1.3.19.patch.bz2'
--19:54:44--  http://distfiles.gentoo.org/distfiles/portage-2.1.3.19.patch.bz2
           => `/usr/portage/distfiles/portage-2.1.3.19.patch.bz2'
Resolving distfiles.gentoo.org... 216.165.129.135, 64.50.236.52, 64.50.238.52, ...
Connecting to distfiles.gentoo.org|216.165.129.135|:80... connected.
HTTP request sent, awaiting response... 206 Partial Content
Length: 20,196 (20K), 19,615 (19K) remaining [text/plain]

100%[++++=======================================================================================================================================>] 20,196        --.--K/s

19:54:44 (176.97 KB/s) - `/usr/portage/distfiles/portage-2.1.3.19.patch.bz2' saved [20196/20196]

 * checking ebuild checksums ;-) ...                                                                                                                                             [ ok ]
 * checking auxfile checksums ;-) ...                                                                                                                                            [ ok ]
 * checking miscfile checksums ;-) ...                                                                                                                                           [ ok ]
 * checking portage-2.1.3.16.tar.bz2 ;-) ...                                                                                                                                     [ !! ]

!!! Digest verification failed:
!!! /usr/portage/distfiles/portage-2.1.3.16.tar.bz2
!!! Reason: Failed on RMD160 verification
!!! Got: 510b74a28821a30328b0820a86be0083f76ddd43
!!! Expected: 06d0e9bc25431cb5e63004fd651020a11acfb47d