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CORE — API status & change history

Access the world's Open Access research papers

Last checked 2026-09-18 07:51 UTC — HTTP 200, 154 ms. Availability over 30 days of data: 100.00%.

68 ms · 2026-08-01 02:24 UTC110 ms · 2026-08-03 12:29 UTC660 ms · 2026-08-04 17:29 UTC818 ms · 2026-08-05 18:20 UTC124 ms · 2026-08-07 16:31 UTC18 ms · 2026-08-09 13:01 UTC105 ms · 2026-08-10 20:59 UTC17 ms · 2026-08-12 01:34 UTC82 ms · 2026-08-13 02:39 UTC103 ms · 2026-08-14 02:56 UTC51 ms · 2026-08-15 06:44 UTC51 ms · 2026-08-18 09:41 UTC69 ms · 2026-08-19 13:40 UTC287 ms · 2026-08-20 17:15 UTC440 ms · 2026-08-22 02:27 UTC584 ms · 2026-08-24 13:25 UTC637 ms · 2026-08-25 21:48 UTC587 ms · 2026-08-27 09:17 UTC841 ms · 2026-08-28 20:52 UTC787 ms · 2026-08-31 11:41 UTC890 ms · 2026-09-01 14:26 UTC62 ms · 2026-09-04 00:07 UTC68 ms · 2026-09-05 04:51 UTC85 ms · 2026-09-10 00:08 UTC98 ms · 2026-09-11 03:26 UTC139 ms · 2026-09-13 02:26 UTC808 ms · 2026-09-15 00:15 UTC608 ms · 2026-09-16 00:16 UTC628 ms · 2026-09-17 04:24 UTC154 ms · 2026-09-18 07:51 UTC
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Shape history

3 confirmed · 5 signals on record. A change confirms after it survives three consecutive polls.

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