BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//some-deadlines//EN
METHOD:PUBLISH
X-WR-CALNAME:Some Deadlines
X-PUBLISHED-TTL:PT1H
BEGIN:VEVENT
UID:popl2027-notification@some-deadlines
DTSTAMP:20260614T184848Z
DTSTART:20261006T115959Z
DTEND:20261006T115959Z
SUMMARY:[POPL 2027] Notification
END:VEVENT
END:VCALENDAR