diff --git a/Jenkinsfile b/Jenkinsfile
index 2ca1e8f..d95418b 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -274,12 +274,28 @@ void copyRPMs() {
         fi
     """
     script {
-        // Get the RPM and Converters file names for the correct architecture (archSuffix already defined above)
-        // Use newest files so we don't accidentally pick a stale RPM left from a previous run.
-        RPM = sh(returnStdout: true, script: "cd src; ls -1t MarkLogic-*.${archSuffix}.rpm 2>/dev/null | head -1").trim()
-        CONVERTERS = sh(returnStdout: true, script: "cd src; (ls -1t MarkLogicConverters-*.${archSuffix}.rpm 2>/dev/null || ls -1t MarkLogicConverters-*.rpm 2>/dev/null) | head -1").trim()
+        // Select RPMs using version-specific patterns first to avoid picking another concurrent build's artifacts.
+        RPM = sh(returnStdout: true, script: "cd src; ls -1t MarkLogic-${RPMversion}*.${archSuffix}.rpm 2>/dev/null | head -1").trim()
+        if (!RPM) {
+            RPM = sh(returnStdout: true, script: "cd src; ls -1t MarkLogic-*.${archSuffix}.rpm 2>/dev/null | head -1").trim()
+        }
+
+        CONVERTERS = sh(returnStdout: true, script: "cd src; ls -1t MarkLogicConverters-${RPMversion}*.${archSuffix}.rpm 2>/dev/null | head -1").trim()
+        if (!CONVERTERS) {
+            CONVERTERS = sh(returnStdout: true, script: "cd src; (ls -1t MarkLogicConverters-*.${archSuffix}.rpm 2>/dev/null || ls -1t MarkLogicConverters-*.rpm 2>/dev/null) | head -1").trim()
+        }
+
+        if (!RPM) {
+            error "No MarkLogic RPM found in src/ for architecture ${archSuffix}"
+        }
+
         // Extract MarkLogic version from RPM file name (handle both x86_64 and aarch64)
         marklogicVersion = sh(returnStdout: true, script: "echo ${RPM} | awk -F 'MarkLogic-' '{print \$2;}' | awk -F '.x86_64.rpm' '{print \$1;}' | awk -F '.aarch64.rpm' '{print \$1;}' | awk -F '-rhel' '{print \$1;}'").trim()
+
+        if (!marklogicVersion.startsWith("${params.marklogicVersion}.")) {
+            error "Resolved RPM version '${marklogicVersion}' does not match requested marklogicVersion '${params.marklogicVersion}'"
+        }
+
         echo "Selected server RPM: ${RPM}"
         echo "Selected converters RPM: ${CONVERTERS}"
         echo "Derived MarkLogic version from RPM: ${marklogicVersion}"
@@ -767,6 +783,9 @@ pipeline {
                 script {
                     unstash 'built-image-archive'
                     // Load image from tar if not already available (applies to all build types)
+                    // Node's Docker daemon is shared with other concurrent builds, so only ever
+                    // trust the exact, fully-qualified tag - never a loose repo/type match, which
+                    // could resolve to a different build's image (e.g. a different marklogicVersion).
                     sh """
                         if ! docker image inspect ${builtImage} &>/dev/null; then
                             echo "Image not found locally, loading from ${WORKSPACE}/${GRAVITON3_IMAGE_ARCHIVE}..."
@@ -774,23 +793,11 @@ pipeline {
                         else
                             echo "Image ${builtImage} already available locally"
                         fi
+                        docker image inspect ${builtImage} >/dev/null
                     """
-                    
-                    // If builtImage doesn't exist, find the loaded image by repo pattern
-                    def actualImage = sh(
-                        returnStdout: true,
-                        script: """docker images --format 'table {{.Repository}}:{{.Tag}}' | grep "marklogic/marklogic-server-${dockerImageType}:" | head -1"""
-                    ).trim()
-                    
-                    if (!actualImage) {
-                        actualImage = builtImage
-                        echo "Using builtImage tag: ${actualImage}"
-                    } else {
-                        echo "Found loaded image: ${actualImage}"
-                    }
-                    
+
                     // Store for use in publishToInternalRegistry
-                    env.IMAGE_TO_PUBLISH = actualImage
+                    env.IMAGE_TO_PUBLISH = builtImage
                 }
                 publishToInternalRegistry()
                 // Trigger downstream QA image build job