diff --git a/content/com/elharo/propernouns/README.md b/content/com/elharo/propernouns/README.md
new file mode 100644
index 00000000000..d9463b9a464
--- /dev/null
+++ b/content/com/elharo/propernouns/README.md
@@ -0,0 +1,20 @@
+[com.elharo:propernouns](https://central.sonatype.com/artifact/com.elharo/propernouns/versions) RB check
+=======
+
+[ an independently-verifiable path from source to binary code](https://reproducible-builds.org/)
+
+## Project: [com.elharo:propernouns](https://central.sonatype.com/artifact/com.elharo/propernouns/versions) [](https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/com/elharo/propernouns/README.md)
+
+Source code: [https://github.com/elharo/propernouns.git](https://github.com/elharo/propernouns.git)
+
+rebuilding **1 releases** of com.elharo:propernouns:
+- **1** releases were found successfully **fully reproducible** (100% reproducible artifacts :white_check_mark:),
+- 0 had issues (some unreproducible artifacts :warning:, see eventual :mag: diffoscope and/or :memo: issue tracker links):
+
+| version | [build spec](/BUILDSPEC.md) | [result](https://reproducible-builds.org/docs/jvm/): reproducible? | [stabilize](https://github.com/google/oss-rebuild/blob/main/cmd/stabilize/README.md) | size |
+| -- | --------- | ------ | ------ | -- |
+| [1.0.3](https://central.sonatype.com/artifact/com.elharo/propernouns/1.0.3/pom) | | | |
+| [1.0.2](https://central.sonatype.com/artifact/com.elharo/propernouns/1.0.2/pom) | | | |
+| [1.0.1](https://central.sonatype.com/artifact/com.elharo/propernouns/1.0.1/pom) | [mvn jdk17](propernouns-1.0.1.buildspec) | [result](propernouns-1.0.1.buildinfo): [3 :white_check_mark: ](propernouns-1.0.1.buildcompare) | | 28K |
+
+(size is calculated without javadoc, that has been excluded from reproducibility checks)
diff --git a/content/com/elharo/propernouns/badge.json b/content/com/elharo/propernouns/badge.json
new file mode 100644
index 00000000000..58774f2ab18
--- /dev/null
+++ b/content/com/elharo/propernouns/badge.json
@@ -0,0 +1,6 @@
+{ "schemaVersion": 1,
+ "label": "Reproducible Builds",
+ "labelColor": "1e5b96",
+ "message": "3/3",
+ "color": "green",
+ "isError": "true" }
diff --git a/content/com/elharo/propernouns/maven-metadata.xml b/content/com/elharo/propernouns/maven-metadata.xml
new file mode 100644
index 00000000000..81d98b3ce39
--- /dev/null
+++ b/content/com/elharo/propernouns/maven-metadata.xml
@@ -0,0 +1,16 @@
+
+
+ com.elharo
+ propernouns
+
+ 1.0.3
+ 1.0.3
+
+ 1.0
+ 1.0.1
+ 1.0.2
+ 1.0.3
+
+ 20251027133133
+
+
diff --git a/content/com/elharo/propernouns/propernouns-1.0.1.buildcompare b/content/com/elharo/propernouns/propernouns-1.0.1.buildcompare
new file mode 100644
index 00000000000..5f1440184d2
--- /dev/null
+++ b/content/com/elharo/propernouns/propernouns-1.0.1.buildcompare
@@ -0,0 +1,9 @@
+version=1.0.1
+ok=3
+ko=0
+ignored=0
+okFiles="propernouns-1.0.1.pom propernouns-1.0.1.jar propernouns-1.0.1-sources.jar"
+koFiles=""
+ignoredFiles=""
+reference_java_version="17 (from MANIFEST.MF Build-Jdk-Spec)"
+reference_os_name="Unix (from pom.properties newline)"
diff --git a/content/com/elharo/propernouns/propernouns-1.0.1.buildinfo b/content/com/elharo/propernouns/propernouns-1.0.1.buildinfo
new file mode 100644
index 00000000000..6396ea17418
--- /dev/null
+++ b/content/com/elharo/propernouns/propernouns-1.0.1.buildinfo
@@ -0,0 +1,42 @@
+# https://reproducible-builds.org/docs/jvm/
+buildinfo.version=1.0-SNAPSHOT
+
+name=propernouns
+group-id=com.elharo
+artifact-id=propernouns
+version=1.0.1
+
+# source information
+source.scm.uri=scm:git:git://github.com/elharo/propernouns.git
+source.scm.tag=HEAD
+
+# build instructions
+build-tool=mvn
+
+# effective build environment information
+java.version=17.0.17
+java.vendor=Ubuntu
+os.name=Linux
+os.version=6.11.0-1018-azure
+os.arch=amd64
+line.separator=\n
+
+# Maven rebuild instructions and effective environment
+mvn.version=3.9.11
+
+# output
+
+outputs.0.groupId=com.elharo
+outputs.0.filename=propernouns-1.0.1.pom
+outputs.0.length=6439
+outputs.0.checksums.sha512=d43bd42e745d8de95dcbedbd5d77043a42232f0db1e7facaf725e914ea1bd0db178dae4dfbc700c886abb1f1b93e3e2ec5ca8eece4216d45df0773ba515d1adc
+
+outputs.1.groupId=com.elharo
+outputs.1.filename=propernouns-1.0.1.jar
+outputs.1.length=11298
+outputs.1.checksums.sha512=ef37f4c2c4d3b060e551e46b1251d82ad72b883e1bc4145877360cafc0858c168ac6373c888d5ce1ae4ba43438ef1858f5b86ddbd9b752077b7440d9d1a37a54
+
+outputs.2.groupId=com.elharo
+outputs.2.filename=propernouns-1.0.1-sources.jar
+outputs.2.length=10920
+outputs.2.checksums.sha512=2436f7491d4430e9df72e11413cd0c84c1f826e43e34de7548117084b4339938be93b84c9f4115d3fea47e5e78d93f521a45a147ab96f3675dad371dd5516010
diff --git a/content/com/elharo/propernouns/propernouns-1.0.1.buildspec b/content/com/elharo/propernouns/propernouns-1.0.1.buildspec
new file mode 100644
index 00000000000..063681f1896
--- /dev/null
+++ b/content/com/elharo/propernouns/propernouns-1.0.1.buildspec
@@ -0,0 +1,18 @@
+groupId=com.elharo
+artifactId=propernouns
+display=${groupId}:${artifactId}
+version=1.0.1
+
+gitRepo=https://github.com/elharo/${artifactId}.git
+gitTag=v${version}
+
+tool=mvn-3.9.11
+jdk=17
+newline=lf
+#umask=022
+
+command="mvn -Prelease clean package -DskipTests -Dmaven.javadoc.skip -Dgpg.skip -Dbuildinfo.detect.skip=false"
+buildinfo=target/${artifactId}-${version}.buildinfo
+
+#diffoscope=${artifactId}-${version}.diffoscope
+issue=