Diff of the two buildlogs:

--
--- b1/build.log	2025-02-24 09:17:02.288103922 +0000
+++ b2/build.log	2025-02-24 09:28:40.200747070 +0000
@@ -1,6 +1,6 @@
 I: pbuilder: network access will be disabled during build
-I: Current time: Sun Mar 29 03:33:48 -12 2026
-I: pbuilder-time-stamp: 1774798428
+I: Current time: Mon Feb 24 23:17:11 +14 2025
+I: pbuilder-time-stamp: 1740388631
 I: Building the build Environment
 I: extracting base tarball [/var/cache/pbuilder/unstable-reproducible-base.tgz]
 I: copying local configuration
@@ -51,54 +51,86 @@
 dpkg-source: info: applying ignore_confidentialityprofiledataelementsandhandling_target.patch
 I: Not using root during the build.
 I: Installing the build-deps
-I: user script /srv/workspace/pbuilder/123726/tmp/hooks/D02_print_environment starting
+I: user script /srv/workspace/pbuilder/24457/tmp/hooks/D01_modify_environment starting
+debug: Running on ionos2-i386.
+I: Changing host+domainname to test build reproducibility
+I: Adding a custom variable just for the fun of it...
+I: Changing /bin/sh to bash
+'/bin/sh' -> '/bin/bash'
+lrwxrwxrwx 1 root root 9 Feb 24 09:17 /bin/sh -> /bin/bash
+I: Setting pbuilder2's login shell to /bin/bash
+I: Setting pbuilder2's GECOS to second user,second room,second work-phone,second home-phone,second other
+I: user script /srv/workspace/pbuilder/24457/tmp/hooks/D01_modify_environment finished
+I: user script /srv/workspace/pbuilder/24457/tmp/hooks/D02_print_environment starting
 I: set
-  BUILDDIR='/build/reproducible-path'
-  BUILDUSERGECOS='first user,first room,first work-phone,first home-phone,first other'
-  BUILDUSERNAME='pbuilder1'
-  BUILD_ARCH='i386'
-  DEBIAN_FRONTEND='noninteractive'
-  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=22 '
-  DISTRIBUTION='unstable'
-  HOME='/root'
-  HOST_ARCH='i386'
+  BASH=/bin/sh
+  BASHOPTS=checkwinsize:cmdhist:complete_fullquote:extquote:force_fignore:globasciiranges:globskipdots:hostcomplete:interactive_comments:patsub_replacement:progcomp:promptvars:sourcepath
+  BASH_ALIASES=()
+  BASH_ARGC=()
+  BASH_ARGV=()
+  BASH_CMDS=()
+  BASH_LINENO=([0]="12" [1]="0")
+  BASH_LOADABLES_PATH=/usr/local/lib/bash:/usr/lib/bash:/opt/local/lib/bash:/usr/pkg/lib/bash:/opt/pkg/lib/bash:.
+  BASH_SOURCE=([0]="/tmp/hooks/D02_print_environment" [1]="/tmp/hooks/D02_print_environment")
+  BASH_VERSINFO=([0]="5" [1]="2" [2]="37" [3]="1" [4]="release" [5]="i686-pc-linux-gnu")
+  BASH_VERSION='5.2.37(1)-release'
+  BUILDDIR=/build/reproducible-path
+  BUILDUSERGECOS='second user,second room,second work-phone,second home-phone,second other'
+  BUILDUSERNAME=pbuilder2
+  BUILD_ARCH=i386
+  DEBIAN_FRONTEND=noninteractive
+  DEB_BUILD_OPTIONS='buildinfo=+all reproducible=+all parallel=10 '
+  DIRSTACK=()
+  DISTRIBUTION=unstable
+  EUID=0
+  FUNCNAME=([0]="Echo" [1]="main")
+  GROUPS=()
+  HOME=/root
+  HOSTNAME=i-capture-the-hostname
+  HOSTTYPE=i686
+  HOST_ARCH=i386
   IFS=' 	
   '
-  INVOCATION_ID='bd6477746ce1430080ade671cad94c74'
-  LANG='C'
-  LANGUAGE='en_US:en'
-  LC_ALL='C'
-  LD_LIBRARY_PATH='/usr/lib/libeatmydata'
-  LD_PRELOAD='libeatmydata.so'
-  MAIL='/var/mail/root'
-  OPTIND='1'
-  PATH='/usr/sbin:/usr/bin:/sbin:/bin:/usr/games'
-  PBCURRENTCOMMANDLINEOPERATION='build'
-  PBUILDER_OPERATION='build'
-  PBUILDER_PKGDATADIR='/usr/share/pbuilder'
-  PBUILDER_PKGLIBDIR='/usr/lib/pbuilder'
-  PBUILDER_SYSCONFDIR='/etc'
-  PPID='123726'
-  PS1='# '
-  PS2='> '
+  INVOCATION_ID=eeeff087c50b4ff5a3c58c9f0a322659
+  LANG=C
+  LANGUAGE=de_CH:de
+  LC_ALL=C
+  LD_LIBRARY_PATH=/usr/lib/libeatmydata
+  LD_PRELOAD=libeatmydata.so
+  MACHTYPE=i686-pc-linux-gnu
+  MAIL=/var/mail/root
+  OPTERR=1
+  OPTIND=1
+  OSTYPE=linux-gnu
+  PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path
+  PBCURRENTCOMMANDLINEOPERATION=build
+  PBUILDER_OPERATION=build
+  PBUILDER_PKGDATADIR=/usr/share/pbuilder
+  PBUILDER_PKGLIBDIR=/usr/lib/pbuilder
+  PBUILDER_SYSCONFDIR=/etc
+  PIPESTATUS=([0]="0")
+  POSIXLY_CORRECT=y
+  PPID=24457
   PS4='+ '
-  PWD='/'
-  SHELL='/bin/bash'
-  SHLVL='2'
-  SUDO_COMMAND='/usr/bin/timeout -k 18.1h 18h /usr/bin/ionice -c 3 /usr/bin/nice /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.qWMmROxP/pbuilderrc_1oIb --distribution unstable --hookdir /etc/pbuilder/first-build-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.qWMmROxP/b1 --logfile b1/build.log pixelmed_20250211+dfsg-1.dsc'
-  SUDO_GID='112'
-  SUDO_UID='107'
-  SUDO_USER='jenkins'
-  TERM='unknown'
-  TZ='/usr/share/zoneinfo/Etc/GMT+12'
-  USER='root'
-  _='/usr/bin/systemd-run'
-  http_proxy='http://213.165.73.152:3128'
+  PWD=/
+  SHELL=/bin/bash
+  SHELLOPTS=braceexpand:errexit:hashall:interactive-comments:posix
+  SHLVL=3
+  SUDO_COMMAND='/usr/bin/timeout -k 24.1h 24h /usr/bin/ionice -c 3 /usr/bin/nice -n 11 /usr/bin/unshare --uts -- /usr/sbin/pbuilder --build --configfile /srv/reproducible-results/rbuild-debian/r-b-build.qWMmROxP/pbuilderrc_vRe4 --distribution unstable --hookdir /etc/pbuilder/rebuild-hooks --debbuildopts -b --basetgz /var/cache/pbuilder/unstable-reproducible-base.tgz --buildresult /srv/reproducible-results/rbuild-debian/r-b-build.qWMmROxP/b2 --logfile b2/build.log pixelmed_20250211+dfsg-1.dsc'
+  SUDO_GID=112
+  SUDO_UID=107
+  SUDO_USER=jenkins
+  TERM=unknown
+  TZ=/usr/share/zoneinfo/Etc/GMT-14
+  UID=0
+  USER=root
+  _='I: set'
+  http_proxy=http://46.16.76.132:3128
 I: uname -a
-  Linux ionos6-i386 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
+  Linux i-capture-the-hostname 6.1.0-31-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.128-1 (2025-02-07) x86_64 GNU/Linux
 I: ls -l /bin
-  lrwxrwxrwx 1 root root 7 Nov 22  2024 /bin -> usr/bin
-I: user script /srv/workspace/pbuilder/123726/tmp/hooks/D02_print_environment finished
+  lrwxrwxrwx 1 root root 7 Nov 22 14:40 /bin -> usr/bin
+I: user script /srv/workspace/pbuilder/24457/tmp/hooks/D02_print_environment finished
  -> Attempting to satisfy build-dependencies
  -> Creating pbuilder-satisfydepends-dummy package
 Package: pbuilder-satisfydepends-dummy
@@ -431,7 +463,7 @@
 Get: 269 http://deb.debian.org/debian unstable/main i386 libpixelmed-codec-java all 20200328-6 [36.2 kB]
 Get: 270 http://deb.debian.org/debian unstable/main i386 libpixelmed-imageio-java all 20200328-6 [46.5 kB]
 Get: 271 http://deb.debian.org/debian unstable/main i386 libvecmath-java all 1.5.2-7 [97.0 kB]
-Fetched 261 MB in 5s (56.8 MB/s)
+Fetched 261 MB in 4s (61.6 MB/s)
 Preconfiguring packages ...
 Selecting previously unselected package libsystemd-shared:i386.
 (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 19761 files and directories currently installed.)
@@ -1340,8 +1372,8 @@
 Setting up tzdata (2025a-2) ...
 
 Current default time zone: 'Etc/UTC'
-Local time is now:      Sun Mar 29 15:34:24 UTC 2026.
-Universal Time is now:  Sun Mar 29 15:34:24 UTC 2026.
+Local time is now:      Mon Feb 24 09:18:09 UTC 2025.
+Universal Time is now:  Mon Feb 24 09:18:09 UTC 2025.
 Run 'dpkg-reconfigure tzdata' if you wish to change it.
 
 Setting up libxcb-present0:i386 (1.17.0-2+b1) ...
@@ -1768,7 +1800,11 @@
 Building tag database...
  -> Finished parsing the build-deps
 I: Building the package
-I: Running cd /build/reproducible-path/pixelmed-20250211+dfsg/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games" HOME="/nonexistent/first-build" dpkg-genchanges -S  > ../pixelmed_20250211+dfsg-1_source.changes
+I: user script /srv/workspace/pbuilder/24457/tmp/hooks/A99_set_merged_usr starting
+Not re-configuring usrmerge for unstable
+I: user script /srv/workspace/pbuilder/24457/tmp/hooks/A99_set_merged_usr finished
+hostname: Name or service not known
+I: Running cd /build/reproducible-path/pixelmed-20250211+dfsg/ && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-buildpackage -us -uc -b && env PATH="/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/i/capture/the/path" HOME="/nonexistent/second-build" dpkg-genchanges -S  > ../pixelmed_20250211+dfsg-1_source.changes
 dpkg-buildpackage: info: source package pixelmed
 dpkg-buildpackage: info: source version 20250211+dfsg-1
 dpkg-buildpackage: info: source distribution unstable
@@ -1778,7 +1814,7 @@
  debian/rules clean
 dh clean --with javahelper
    dh_auto_clean
-	make -j22 clean
+	make -j10 clean
 make[1]: Entering directory '/build/reproducible-path/pixelmed-20250211+dfsg'
 Makefile:918: warning: overriding recipe for target 'clean'
 Makefile.common.mk:100: warning: ignoring old recipe for target 'clean'
@@ -1795,22 +1831,23 @@
 fi
 Cleaning in com/pixelmed/utils
 rm -f DicomImageViewer.app/Contents/Resources/DicomImageViewer.icns
+rm -f webstart/icons/*.*
+rm -f DicomCleaner.app/Contents/Java/*.jar
 make[2]: Entering directory '/build/reproducible-path/pixelmed-20250211+dfsg/com/pixelmed/utils'
 Makefile:37: warning: overriding recipe for target '.java.class'
 ../../../Makefile.common.mk:90: warning: ignoring old recipe for target '.java.class'
-rm -f webstart/icons/*.*
-rm -f DicomCleaner.app/Contents/Java/*.jar
 rm -f *~ *.class core *.bak test.*
 rm -f webstart/*.properties
 rm -f DicomCleaner.app/Contents/Resources/DicomCleaner.icns
+rm -f DoseUtility.app/Contents/Java/*.jar
 make[2]: Leaving directory '/build/reproducible-path/pixelmed-20250211+dfsg/com/pixelmed/utils'
 Cleaning in com/pixelmed/dicom
-rm -f DoseUtility.app/Contents/Java/*.jar
+rm -f DoseUtility.app/Contents/Resources/DoseUtility.icns
+rm -f ECGViewer.app/Contents/Java/*.jar
+rm -f ECGViewer.app/Contents/Resources/ECGViewer.icns
 make[2]: Entering directory '/build/reproducible-path/pixelmed-20250211+dfsg/com/pixelmed/dicom'
 Makefile:167: warning: overriding recipe for target 'clean'
 ../../../Makefile.common.mk:100: warning: ignoring old recipe for target 'clean'
-rm -f DoseUtility.app/Contents/Resources/DoseUtility.icns
-rm -f ECGViewer.app/Contents/Java/*.jar
 rm -f *~ *.class core *.bak \
 	confidentialityprofiledataelementsandhandling.xml \
 	/tmp/testDicomFile_MEVRLE_EVRLE_8.dcm \
@@ -1822,7 +1859,6 @@
 	/tmp/testsr1.dcm \
 	/tmp/testfl1.dcm \
 	/tmp/testfl2.dcm
-rm -f ECGViewer.app/Contents/Resources/ECGViewer.icns
 make[2]: Leaving directory '/build/reproducible-path/pixelmed-20250211+dfsg/com/pixelmed/dicom'
 Cleaning in com/pixelmed/geometry
 make[2]: Entering directory '/build/reproducible-path/pixelmed-20250211+dfsg/com/pixelmed/geometry'
@@ -1953,7 +1989,7 @@
 rm -f pixelmed.jar
 make[1]: Leaving directory '/build/reproducible-path/pixelmed-20250211+dfsg'
    jh_clean
-Duplicate specification "unlink|u" for option "u"
+Duplicate specification "u=s" for option "u"
    debian/rules override_dh_clean
 make[1]: Entering directory '/build/reproducible-path/pixelmed-20250211+dfsg'
 dh_clean com/pixelmed/test/tmp/TestCleanerReceiveAndClean/1.3.6.1.4.1.5962.99.1.4198289672.2040812585.1361407987975.4.0
@@ -7187,7 +7223,7 @@
 [main] DEBUG com.pixelmed.dicom.Overlay constructArrayOfOverlaysPerFrame(): numberOfFrames =  1
 [main] DEBUG com.pixelmed.dicom.Overlay constructArrayOfOverlaysPerFrame(): numberOfFrames =  1
 
-Time: 0.373
+Time: 2.297
 
 OK (1 test)
 
@@ -7226,14 +7262,14 @@
 
 
 
-Time: 0,637
+Time: 1,735
 
 OK (16 tests)
 
 java -cp ../../..:/usr/share/java/junit4.jar -Djava.awt.headless=true org.junit.runner.JUnitCore com.pixelmed.test.TestBinaryAttribute_AllTests
 JUnit version 4.13.2
 ....
-Time: 0.049
+Time: 0.083
 
 OK (4 tests)
 
@@ -7264,7 +7300,7 @@
 [main] WARN com.pixelmed.dicom.AttributeList Allowed fixed VL (65544 dec, 0x10008) that is too long to fit in 16 bits for VR FD in Explicit VR Transfer Syntax because it is one of the recognized data elements for which that is often the case (TableOfYBreakPoints (0x0018,0x6054))
 [main] WARN com.pixelmed.dicom.AttributeList Allowed fixed VL (81000 dec, 0x13c68) that is too long to fit in 16 bits for VR DS in Explicit VR Transfer Syntax because it is one of the recognized data elements for which that is often the case (DVHData (0x3004,0x0058))
 .
-Time: 2.597
+Time: 5.312
 
 OK (5 tests)
 
@@ -7283,49 +7319,49 @@
 TestColorConversions_SRGB_CIELabPCS_SpecificValues(): RGB (128,174,128) = Lab (43803,26565,37722)
 TestColorConversions_SRGB_CIELabPCS_SpecificValues(): RGB (221,130,101) = Lab (41661,41167,40792)
 .
-Time: 0.008
+Time: 0.015
 
 OK (2 tests)
 
 java -cp ../../..:/usr/share/java/junit4.jar org.junit.runner.JUnitCore com.pixelmed.test.TestStructuredReport_AllTests
 JUnit version 4.13.2
 ..
-Time: 0,436
+Time: 0,883
 
 OK (2 tests)
 
 java -cp ../../..:/usr/share/java/junit4.jar -Djava.awt.headless=true org.junit.runner.JUnitCore com.pixelmed.test.TestDateTimeAttribute_AllTests
 JUnit version 4.13.2
 ....................................
-Time: 0.132
+Time: 0.247
 
 OK (36 tests)
 
 java -cp ../../..:/usr/share/java/junit4.jar -Djava.awt.headless=true org.junit.runner.JUnitCore com.pixelmed.test.TestSUVTransform_AllTests
 JUnit version 4.13.2
 ........
-Time: 0.103
+Time: 0.21
 
 OK (8 tests)
 
 java -cp ../../..:/usr/share/java/junit4.jar -Djava.awt.headless=true org.junit.runner.JUnitCore com.pixelmed.test.TestFloatFormatter_AllTests
 JUnit version 4.13.2
 ......
-Time: 1,014
+Time: 2.096
 
 OK (6 tests)
 
 java -cp ../../..:/usr/share/java/junit4.jar -Djava.awt.headless=true org.junit.runner.JUnitCore com.pixelmed.test.TestDecimalStringAttribute_AllTests
 JUnit version 4.13.2
 ....
-Time: 0,279
+Time: 0,58
 
 OK (4 tests)
 
 java -cp ../../..:/usr/share/java/junit4.jar -Djava.awt.headless=true org.junit.runner.JUnitCore com.pixelmed.test.TestUnknownAttribute_AllTests
 JUnit version 4.13.2
 ..
-Time: 0.297
+Time: 0.625
 
 OK (2 tests)
 
@@ -7372,10 +7408,10 @@
    dh_gencontrol
    dh_md5sums
    dh_builddeb
+dpkg-deb: building package 'pixelmed-www' in '../pixelmed-www_20250211+dfsg-1_all.deb'.
 dpkg-deb: building package 'pixelmed-apps' in '../pixelmed-apps_20250211+dfsg-1_all.deb'.
 dpkg-deb: building package 'libpixelmed-java' in '../libpixelmed-java_20250211+dfsg-1_all.deb'.
 dpkg-deb: building package 'pixelmed-webstart-apps' in '../pixelmed-webstart-apps_20250211+dfsg-1_all.deb'.
-dpkg-deb: building package 'pixelmed-www' in '../pixelmed-www_20250211+dfsg-1_all.deb'.
  dpkg-genbuildinfo --build=binary -O../pixelmed_20250211+dfsg-1_i386.buildinfo
  dpkg-genchanges --build=binary -O../pixelmed_20250211+dfsg-1_i386.changes
 dpkg-genchanges: info: binary-only upload (no source code included)
@@ -7383,12 +7419,14 @@
 dpkg-buildpackage: info: binary-only upload (no source included)
 dpkg-genchanges: info: including full source code in upload
 I: copying local configuration
+I: user script /srv/workspace/pbuilder/24457/tmp/hooks/B01_cleanup starting
+I: user script /srv/workspace/pbuilder/24457/tmp/hooks/B01_cleanup finished
 I: unmounting dev/ptmx filesystem
 I: unmounting dev/pts filesystem
 I: unmounting dev/shm filesystem
 I: unmounting proc filesystem
 I: unmounting sys filesystem
 I: cleaning the build env 
-I: removing directory /srv/workspace/pbuilder/123726 and its subdirectories
-I: Current time: Sun Mar 29 03:40:01 -12 2026
-I: pbuilder-time-stamp: 1774798801
+I: removing directory /srv/workspace/pbuilder/24457 and its subdirectories
+I: Current time: Mon Feb 24 23:28:39 +14 2025
+I: pbuilder-time-stamp: 1740389319