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Abstract This paper presents an implementation of a federated resource allocation system (Puhuri), which offers a full set of functions from the application phase for computing infrastructure resources to consumption reporting. The implementation is based on the Puhuri project of Nordic e-Infrastructure Collaboration (NeIC) [1]. Shared research infrastructures, particularly high-performance computers, necessitate a robust mechanism for allocating resources in accordance with predefined policies. An allocation serves as authorisation to utilise a system in an agreed-upon manner. The impact of Puhuri on shared research infrastructures is to enable multiple resource allocation teams to allocate resources across different domains and organisations. Puhuri has integrated the LUMI EuroHPC supercomputer [2] and the biodiversity digital twin workflow management framework Lexis. Additionally, Puhuri has also been collecting requirements and doing technical integrations in a wider scope. Users accessing the system must be unequivocally identified. This process, known as authentication, ensures that the right individuals utilise the allocated resources to which they are authorised by the resource allocation team. GÉANT has established the MyAccessID service [3] for federated authentication, which Puhuri also utilises. One of the challenges is related to the user identity vetting for the users whose identity provider is not signalling that they are verifying users’ identities in the required manner, which requires them to use commercial third-party services for automatic identity vetting based on user’s identity cards.