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LOCKSS Archive
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In Progress
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2026-02-09
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1 to 30
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CLOCKSS Archive
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Preserved
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2026-02-09
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18 to 26
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CLOCKSS Archive
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Preserved
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2026-02-09
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28 to 36
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Portico
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Preserved
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2026-02-12
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Preserved : 2005: 15(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2008: 18(7)
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Portico
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Preserved
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2026-02-12
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Preserved : 2010: 20(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2011: 21(10), 2012: 22(2, 9), 2013: 23(2, 6), 2014: 24(3)
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Portico
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Preserved
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2026-02-12
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Preserved : 2016: 26(2)
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Portico
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Preserved
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2026-02-12
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Preserved : 2017: 27(4, 7-8), 2018: 28(1, 4, 10), 2019: 29(3, 8-9, 11-12), 2020: 30(1-12), 2021: 31(1-12), 2022: 32(1-12), 2023: 33(2-12), 2024: 34(1-12), 2025: 35(2-12), 2026: 36(1-2)
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 3 (2 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1, 2)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 3 (2 to 9, 11, 12); 25 (1 to 9, 11, 12); 26 (1 to 9, 11, 12); 27 (1 to 9, 11, 12); 28 (1 to 9, 11, 12); 29 (1 to 9, 11, 12); 31 (1 to 9, 11, 12); 32 (1 to 9, 11, 12); 33 (1 to 9, 11, 12); 34 (1 to 9, 11, 12); 35 (1, 2)
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Library of Congress
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Preserved
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2025-04-07
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26 (8); 27 (10); 28 (4 to 12); 29 (1 to 9, 11, 12); 30 (1 to 12); 31 (1 to 12); 32 (1, 2); 33 (4 to 12); 34 (1 to 10); 35 (1, 2)
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