1 January 2020 - 1 January 2026
| DOI | https://doi.org/10.48597/PD9K-Z5KE |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2026 |
| Valid since | 8 April 2026 13:48:18 |
| DOI | https://doi.org/10.48597/PD9K-Z5KE |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2026 |
| Valid since | 8 April 2026 13:48:18 |
| DOI | https://doi.org/10.48597/A793-HBWB |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2025 |
| Valid from | 31 January 2025 14:52:54 |
| Valid to | 8 April 2026 13:48:18 |
| DOI | https://doi.org/10.48597/UFYU-ZZ8H |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 31 December 2023 |
| Valid from | 13 January 2025 11:11:04 |
| Valid to | 31 January 2025 14:52:54 |
| DOI | https://doi.org/10.48597/T3DY-V2FB |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2023 |
| Valid from | 5 July 2023 07:47:33 |
| Valid to | 13 January 2025 11:11:04 |
| DOI | https://doi.org/10.48597/M3UT-R6ZW |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2022 |
| Valid from | 2 December 2022 13:17:45 |
| Valid to | 5 July 2023 07:47:33 |
| DOI | https://doi.org/10.48597/QT78-WED6 |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2022 |
| Valid from | 23 August 2022 12:33:20 |
| Valid to | 2 December 2022 13:17:45 |
| DOI | https://doi.org/10.48597/YSC2-H9WJ |
|---|---|
| Start time | 1 January 2020 |
| Stop time | 1 January 2021 |
| Valid from | 21 October 2021 11:02:53 |
| Valid to | 23 August 2022 12:33:20 |