<?xml version="1.0" encoding="utf-8"?>
<OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-06-23T02:02:18Z</responseDate><request>https://gaia.aip.de/oai</request><ListSets><set><setSpec>ivo_managed</setSpec><setName>ivo_managed</setName></set><set><setSpec>schemas</setSpec><setName>schemas</setName></set><set><setSpec>tables</setSpec><setName>tables</setName></set></ListSets></OAI-PMH>