Hi, This question is mainly out of general curiosity, but I'd like to have a clearer understanding of what happens when data is uploaded through Synapse and stored in an S3 bucket associated with a particular project. For example, there is a file that is currently stored in s3 at `s3:///3419599/7aef99e4-59e2-4788-8e16-734ad8182f32/` I'm curious where the `3419599` comes from -- I thought perhaps it was a `syn` identifier, but that does not appear to be the case. Is it just a random number? in what type of situation would another one of these folders be created in this particular bucket? (some projects I work with have just one of these, others have more than one) I believe the `7aef99e4-59e2-4788-8e16-734ad8182f32` is some sort of uuid generated based on a hash of the file, but I'd be interested in knowing for sure. I think that I have noticed that if multiple identical files (same file name, same contents) are uploaded into _different_ folders within the _same_ project, they are getting "mapped" to the same s3 object even though they have different `syn` identifiers -- is that plausible? I'm not planning on constructing anything that relies specifically on how this s3 url is constructed, but I'd really like to have a better understanding of what happens when someone uploads data through Synapse and it is stored in a specific external bucket that has been associated with that Synapse project. thanks! Sheila