some say for something to exist it needs to be observed. but no thats just registering a bureaucratic record of something. undocumented migrants exists. tree's blowing in the wind still blow in the wind when you dont look at them
Ah, but that is actually not a certainty.
It is impossible to dictate whether something exists until you are aware of it, as far as most definitions would account for it - wouldn't you say? One could surmise, "some object exists," but would have no basis for creating such a conclusion without either a tautological redundancy or an empirical observation. Note that when we talk about the quantum mechanical 'observer' we don't mean an actual human observer, per se - the slit experiment's observer was with scientific instruments and measurements, not the naked eye. Though, one could argue that it required a consciousness/sentience to
observe the data.
existence doesnt need to be physical. there is many things that are not physical that exist. gas, digital info exists
True! Though, it is also relevant to note that the only difference between gas and solids are temperature - the speed at which those particles are moving. One could also technically say that digital info is physical in the manifestation of waveforms - (i.e. how would we access information that does not exist?)
existence means its real. solving/finding/locating/observing it to prove it. is just bureocracy
Perhaps we go off different strains of the word "existence". Maybe you mean, "manifested in physical reality," but more in the context of the human perception?