https://web.archive.org/web/20210413060837/http://robertmatthews.org/wp-content/uploads/2016/03/RM-storks-paper.pdf

Wayback Machine
[http://robertmatthew][Go]
24 captures
03 Aug 2016 - 17 Jan 2022
 

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2020             2021 2022

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About this capture
COLLECTED BY
Collection: Open Syllabus
The Open Syllabus collection contains WARC files from a mid-2021
crawl of about 50 million unique seed URLs extracted from the Open
Syllabus version 2.6 dataset and their page requisites. The bulk of
the seed URLs are from ".com", ".org", ".edu", and ".uk" TLDs.

Crawl Summary

  * Crawl start: 2021-04-12
  * Crawl end: 2021-09-05
  * Seed URLs: 49,735,419
  * Archived URLs: 338,690,414
  * Collection Size: 25 TB
  * Crawler: Heritrix/3.3.0-hq1-SNAPSHOT-2015-03-16T18:09:23Z
  * Crawl depth: maxHops=0


Seed Summary

  * Unique URLs: 49,735,419
  * Unique Canonical URLs: 48,956,395
  * Unique Hosts: 984,223
  * IPv4 Addresses: 3,328
  * Unique TLDs: 21,761
  * Unique IANA Valid TLDs: 739
  * Wayback Machine URLs*: 6,568,213

* NOTE: More than 13% URLs in the dataset point to Wayback Machine!

TIMESTAMPS
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The Wayback Machine - https://web.archive.org/web/20210413060837/
http://robertmatthews.org/wp-content/uploads/2016/03/
RM-storks-paper.pdf