https://www.agwa.name/blog/post/duplicate_signature_key_selection_attack_in_lets_encrypt

Filename Size IA Identifier
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www.agwa.name-shallow-20151204-193951-xt60n-meta.warc.gz 3759 archiveteam_archivebot_go_20151205110001
www.agwa.name-shallow-20151204-193951-xt60n.json 313 archiveteam_archivebot_go_20151205110001