Example of DASH manifest, which tells you how to compute the chunk paths

manifest.mpd

<?xml version="1.0" encoding="utf-8"?>
<MPD
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xmlns="urn:mpeg:dash:schema:mpd:2011"
  type="dynamic"
  availabilityStartTime="1970-01-01T00:01:00Z"
  publishTime="2020-11-09T11:21:45.084104Z"
  minimumUpdatePeriod="PT8H"
  timeShiftBufferDepth="PT2H"
  maxSegmentDuration="PT4S"
  minBufferTime="PT10S"
  profiles="urn:dvb:dash:profile:dvb-dash:2014,urn:dvb:dash:profile:dvb-dash:isoff-ext-live:2014">
    <AdaptationSet
      id="2"
      group="2"
      contentType="video"
      par="16:9"
      maxWidth="1280"
      maxHeight="720"
      segmentAlignment="true"
      sar="1:1"
      mimeType="video/mp4"
      startWithSAP="1">
      <Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
      <Representation
        id="pv10"
        bandwidth="1604032"
        width="960"
        height="540"
        frameRate="25"
        codecs="avc3.4D401F"
        scanType="progressive">
        <SegmentTemplate
          timescale="25"
          duration="96"
          initialization="v=pv10/b=1604032/segment.init"
          media="t=3840/v=pv10/b=1604032/$Number$.m4s">
        </SegmentTemplate>
      </Representation>
    </AdaptationSet>
  </Period>
</MPD>