Hi!
I have been processing a recent Wikidata JSON dump. I have noticed that some claims have +0000-00-00T00:00:00Z as the time value. My understanding is that those are invalid values for time, at least according to [1]. I think they can be safely removed, yes?
[1] https://doc.wikimedia.org/Wikibase/master/php/md_docs_topics_json.html
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