20240307140715.929331 ndpp National Digital Preservation Program, China 2021/2023 2024-01-08 Preserved : 1 to 3 Preserved : 1 (1); 2; 3 Preserved Springer Nature Autonomous Intelligent Systems 2730-616X Autonomous intelligent systems. Autonomous intelligent systems 2021/2023 2023-07-25 Preserved : 1 to 3 Preserved : 1; 2; 3 Preserved Springer Nature Autonomous Intelligent Systems 2730-616X portico Portico 2022/2024 2024-03-26 Preserved : 2022: 2, 2023: 3, 2024: 4 Preserved : 2022: 2(1), 2023: 3(1), 2024: 4(1) Preserved Springer Autonomous Intelligent Systems 2730-616X Autonomous intelligent systems. 2021/2023 2023-10-13 Preserved : 1 to 3 Preserved : 1; 2; 3 Preserved Springer Nature Autonomous Intelligent Systems 2730-616X 2730-616X 2730-616X 2730-616X Autonomous intelligent systems 2730-616X clockss CLOCKSS Archive 2021/2024 2024-03-25 1 to 4 1 to 4 Preserved Springer Autonomous Intelligent Systems 2730-616X https://www.springer.com/journal/43684 2730-616X Singapore