diff --git a/app/Http/Controllers/Oai/RequestController.php b/app/Http/Controllers/Oai/RequestController.php
index ed1478a..35ae100 100644
--- a/app/Http/Controllers/Oai/RequestController.php
+++ b/app/Http/Controllers/Oai/RequestController.php
@@ -144,10 +144,10 @@ class RequestController extends Controller
     {
         $email = "repository@geologie.ac.at";
         $repositoryName = "Tethys RDR";
-        $repIdentifier = "tethys.geologie.ac.at";
+        $repIdentifier = "tethys.at";
         $sampleIdentifier = "oai:" . $repIdentifier . ":27"; //$this->_configuration->getSampleIdentifier();
         $earliestDateFromDb = Dataset::earliestPublicationDate() != null ?
-        Dataset::earliestPublicationDate()->server_date_published : null;
+        Dataset::earliestPublicationDate()->server_date_published->format('Y-m-d\TH:i:s\Z') : null;
 
         // set parameters for oai-pmh.xslt
         $this->proc->setParameter('', 'email', $email);
diff --git a/public/datasetxml2oai-pmh.xslt b/public/datasetxml2oai-pmh.xslt
index f16dfbc..f356f34 100644
--- a/public/datasetxml2oai-pmh.xslt
+++ b/public/datasetxml2oai-pmh.xslt
@@ -162,12 +162,8 @@
         <metadataPrefix>
           <xsl:text>oai_datacite</xsl:text>
         </metadataPrefix>
-        <schema>
-          http://schema.datacite.org/meta/kernel-4.1/metadata.xsd
-        </schema>
-        <metadataNamespace>
-          http://datacite.org/schema/kernel-4
-        </metadataNamespace>
+        <schema>http://schema.datacite.org/meta/kernel-4.1/metadata.xsd</schema>
+        <metadataNamespace>http://datacite.org/schema/kernel-4</metadataNamespace>
       </metadataFormat>
     </ListMetadataFormats>
   </xsl:template>
@@ -266,16 +262,28 @@
         <xsl:value-of select="@Id" />
       </identifier>
       <datestamp>
-        <xsl:choose>
-          <xsl:when test="ServerDateModified">
-            <xsl:value-of select="ServerDateModified/@Year"/>-
-            <xsl:value-of select="format-number(ServerDateModified/@Month,'00')"/>-
-            <xsl:value-of select="format-number(ServerDateModified/@Day,'00')"/>
+         <xsl:choose>
+          <xsl:when test="ServerDateModified">            
+            <xsl:variable name="dateModified" select="concat(
+            ServerDateModified/@Year, '-',
+            format-number(ServerDateModified/@Month,'00'), '-',
+            format-number(ServerDateModified/@Day,'00'), 'T',
+            format-number(ServerDateModified/@Hour,'00'), ':',
+            format-number(ServerDateModified/@Minute,'00'), ':',
+            format-number(ServerDateModified/@Second,'00'), 'Z'
+            )" />
+            <xsl:value-of select="$dateModified" />
           </xsl:when>
-          <xsl:otherwise>
-            <xsl:value-of select="ServerDatePublished/@Year"/>-
-            <xsl:value-of select="format-number(ServerDatePublished/@Month,'00')"/>-
-            <xsl:value-of select="format-number(ServerDatePublished/@Day,'00')"/>
+          <xsl:otherwise>           
+             <xsl:variable name="datePublished" select="concat(
+            ServerDatePublished/@Year, '-',
+            format-number(ServerDatePublished/@Month,'00'), '-',
+            format-number(ServerDatePublished/@Day,'00'), 'T',
+            format-number(ServerDatePublished/@Hour,'00'), ':',
+            format-number(ServerDatePublished/@Minute,'00'), ':',
+            format-number(ServerDatePublished/@Second,'00'), 'Z'
+            )" />
+            <xsl:value-of select="$datePublished" />          
           </xsl:otherwise>
         </xsl:choose>
       </datestamp>
@@ -287,10 +295,10 @@
     </header>
     <xsl:choose>
       <!-- nicht bei ListIdentifiers und auch nicht bei gelöschten Datensätzen-->
-      <xsl:when test="$oai_verb!='ListIdentifiers' and @ServerState!='deleted'">    
-        
-        <metadata>       
-        <!-- <xsl:value-of select="$oai_metadataPrefix" /> -->        
+      <xsl:when test="$oai_verb!='ListIdentifiers' and @ServerState!='deleted'">
+
+        <metadata>
+          <!-- <xsl:value-of select="$oai_metadataPrefix" /> -->
           <xsl:choose>
             <xsl:when test="$oai_metadataPrefix='oai_dc'">
               <xsl:apply-templates select="." mode="oai_dc" />
@@ -300,7 +308,7 @@
             </xsl:when>
           </xsl:choose>
         </metadata>
-        
+
       </xsl:when>
     </xsl:choose>
   </xsl:template>
@@ -319,7 +327,7 @@
       <xsl:apply-templates select="TitleAdditional" mode="oai_dc" />
       <!-- dc:description -->
       <xsl:apply-templates select="TitleAbstract" mode="oai_dc" />
-       <!-- dc:description -->
+      <!-- dc:description -->
       <xsl:apply-templates select="TitleAbstractAdditional" mode="oai_dc" />
       <!-- dc:subject -->
       <xsl:apply-templates select="Subject" mode="oai_dc" />
@@ -362,39 +370,39 @@
   </xsl:template>
 
   <xsl:template match="Coverage" mode="oai_dc">
-    <dc:coverage>     
+    <dc:coverage>
       <xsl:variable name="geolocation" select="concat(
       'SOUTH-BOUND LATITUDE: ', @XMin,
       ' * WEST-BOUND LONGITUDE: ', @YMin,
       ' * NORTH-BOUND LATITUDE: ', @XMax,
       ' * EAST-BOUND LONGITUDE: ', @YMax
-      )" />   
+      )" />
       <xsl:value-of select="$geolocation" />
-     
+
       <xsl:text>&#xA;</xsl:text>
       <xsl:if test="@ElevationMin != '' and @ElevationMax != ''">
-          <xsl:value-of select="concat(' * ELEVATION MIN: ', @ElevationMin, ' * ELEVATION MAX: ', @ElevationMax)" />        
+        <xsl:value-of select="concat(' * ELEVATION MIN: ', @ElevationMin, ' * ELEVATION MAX: ', @ElevationMax)" />
       </xsl:if>
-       <xsl:if test="@ElevationAbsolut != ''">
-          <xsl:value-of select="concat(' * ELEVATION ABSOLUT: ', @ElevationAbsolut)" />        
+      <xsl:if test="@ElevationAbsolut != ''">
+        <xsl:value-of select="concat(' * ELEVATION ABSOLUT: ', @ElevationAbsolut)" />
       </xsl:if>
 
       <xsl:text>&#xA;</xsl:text>
       <xsl:if test="@DepthMin != '' and @DepthMax != ''">
-          <xsl:value-of select="concat(' * DEPTH MIN: ', @DepthMin, ' * DEPTH MAX: ', @DepthMax)" />        
+        <xsl:value-of select="concat(' * DEPTH MIN: ', @DepthMin, ' * DEPTH MAX: ', @DepthMax)" />
       </xsl:if>
-       <xsl:if test="@DepthAbsolut != ''">
-          <xsl:value-of select="concat(' * DEPTH ABSOLUT: ', @DepthAbsolut)" />        
+      <xsl:if test="@DepthAbsolut != ''">
+        <xsl:value-of select="concat(' * DEPTH ABSOLUT: ', @DepthAbsolut)" />
       </xsl:if>
 
-       <xsl:text>&#xA;</xsl:text>
+      <xsl:text>&#xA;</xsl:text>
       <xsl:if test="@TimeMin != '' and @TimeMax != ''">
-          <xsl:value-of select="concat(' * TIME MIN: ', @TimeMin, ' * TIME MAX: ', @TimeMax)" />        
+        <xsl:value-of select="concat(' * TIME MIN: ', @TimeMin, ' * TIME MAX: ', @TimeMax)" />
       </xsl:if>
-       <xsl:if test="@TimeAbsolut != ''">
-          <xsl:value-of select="concat(' * TIME ABSOLUT: ', @TimeAbsolut)" />        
-      </xsl:if>      
-      
+      <xsl:if test="@TimeAbsolut != ''">
+        <xsl:value-of select="concat(' * TIME ABSOLUT: ', @TimeAbsolut)" />
+      </xsl:if>
+
     </dc:coverage>
   </xsl:template>
 
@@ -438,13 +446,13 @@
     </dc:subject>
   </xsl:template>
 
-   <xsl:template match="Reference" mode="oai_dc">
-    <dc:relation>      
+  <xsl:template match="Reference" mode="oai_dc">
+    <dc:relation>
       <xsl:value-of select="@Value" />
     </dc:relation>
   </xsl:template>
 
-   
+
 
   <xsl:template match="PersonAuthor|PersonEditor" mode="oai_dc">
     <dc:creator>
@@ -480,7 +488,7 @@
     <dc:date>
       <xsl:choose>
         <xsl:when test="PublishedDate">
-           <xsl:value-of select="PublishedDate/@Year"/>
+          <xsl:value-of select="PublishedDate/@Year"/>
 -          <xsl:value-of select="format-number(PublishedDate/@Month,'00')"/>
 -          <xsl:value-of select="format-number(PublishedDate/@Day,'00')"/>
         </xsl:when>
@@ -531,11 +539,11 @@
     </dc:identifier>
   </xsl:template>
 
- <xsl:template match="@CreatingCorporation" mode="oai_dc">
+  <xsl:template match="@CreatingCorporation" mode="oai_dc">
     <dc:language>
       <xsl:value-of select="." />
     </dc:language>
-  </xsl:template> 
+  </xsl:template>
 
   <xsl:template match="@Language" mode="oai_dc">
     <dc:language>
diff --git a/public/xsl/oai2_style.xslt b/public/xsl/oai2_style.xslt
index 211632f..995e4ab 100644
--- a/public/xsl/oai2_style.xslt
+++ b/public/xsl/oai2_style.xslt
@@ -160,11 +160,11 @@ p.intro {
 <xsl:template match="/">
 <html>
   <head>
-    <title>OAI 2.0 Request Results</title>
+    <title>TETHYS OAI 2.0 Request Results</title>
     <style><xsl:call-template name="style"/></style>
   </head>
   <body>
-    <h1>OAI 2.0 Request Results</h1>
+    <h1>TETHYS OAI 2.0 Request Results</h1>
     <xsl:call-template name="quicklinks"/>
     <p class="intro">You are viewing an HTML version of the XML OAI response. To see the underlying XML use your web browsers view source option. More information about this XSLT is at the <a href="#moreinfo">bottom of the page</a>.</p>
     <xsl:apply-templates select="/oai:OAI-PMH" />