Note: I removed this offtopic/misleading claims from OSM wiki page.

Link above links archival version, not current.

See https://wiki.openstreetmap.org/w/index.php?title=Key:ref:SE:nvrid&action=history and https://wiki.openstreetmap.org/wiki/Talk:Wiki#Should_we_store_at_wiki_every_single_value_ref:SE:nvrid_/_lst:diarienr_/_lst:ref_appearing_at_wiki?