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Spatially-resolved studies of the kinematics of galaxies provide crucialinsights into their assembly and evolution, enabling to infer the properties ofthe dark matter halos, derive the impact of feedback on the ISM, characterizethe outflow motions. To date, most of the kinematic studies at z=0.5-3.5 wereobtained using emission lines tracing the warm, ionized gas. However, whetherthese provide an exhaustive or only a partial view of the dynamics of galaxiesand of the properties of the ISM is still debated. Complementary insights onthe cold gas kinematics are therefore needed. We present ALPAKA, a projectaimed at gathering high-resolution observations of CO and [CI] emission linesof star-forming galaxies at z=0.5-3.5 from the ALMA public archive. With 147hours of total integration time, ALPAKA assembles ~0.25'' observations for 28star-forming galaxies, the largest sample with spatially-resolved cold gaskinematics as traced by either CO or [CI] at z>0.5. By combiningmulti-wavelength ancillary data, we derive the stellar masses ($M_{\star}$) andstar-formation rates (SFR) for our targets, finding values of $M_{\star}\gtrsim10^{10}$ M$_{\odot}$ and SFR of 10-3000 M$_{\odot}$/yr. A large fraction ofALPAKA galaxies (19/28) lie in overdense regions (clusters, groups, andprotoclusters). We exploit the ALMA data to infer their dynamical state and wefind that 19/28 ALPAKA galaxies are rotating disks, 2 are interacting systems,while for the remaining 7 sources the classification is uncertain. The diskshave velocity dispersion values that are typically larger in the innermostregions than in the outskirts, with a median value for the entire disk sampleof 35$^{+11}_{-9}$ km/s. Despite the bias of our sample towards galaxieshosting very energetic mechanisms, the ALPAKA disks have high ratios ofordered-to-random motion ($V/\sigma$) with a median value of 9$^{+7}_{-2}$.

The ALMA-ALPAKA survey I: high-resolution CO and [CI] kinematics of star-forming galaxies at z = 0.5-3.5