impossible that is, not currently publically known to be possible - MD5 gets more broken all the time, so I wouldn't want to be very confident about what is impossible.
sha512sum: 85cf46426d025843d6b0f11e3232380c6fac6cae88b66310ee8fbcd3f81722d08b2154c6388ecb1ee9cebc528e0f56e3be7a057cd67531cfda442febe0132418 sha384sum: 400d47bf97b6a3ccd662e0eb1268820c57d10e2a623c3a007b297cc697ed560862dda19b74638f92a3550fbbfe14d485 md5sum: 8fec2109c85f622580e1a78c9cabdab4
I would like to make a prediction, but I'm not ready to raise the subject of the prediction just yet. So to show that it was not just obvious in hindsight, and to strengthen my precommitment to write an article about it later, here is the sha1sum of my prediction: 9805a0c7bf3690db25e5753e128085c4191f0114.