a pesquisa de pdf
apresenta alguns resultados:
$ gnunet-search -a0 pdf
#0:
gnunet-download -o "A Gentle Introduction to the Art of Mathematics.pdf" gnunet://fs/chk/LLA760JDHAHJI7UP5F5PG37GPCIVFGKQ5L6F0JJR845267STE4U8H8JCJBJI7UBV4M6S0R9V1RF323D5GOAGPJ2GKKBQQDJOU2RLB20.Q77T641EB73BNC9U055QRBNEC4CQ2G547ESSFCCCL644IJ3K8GN21R57G1EHCAO2I189SC98M0IJ86DPV4HETHJNDK6RV7T630IT5SG.2624329
#1:
gnunet-download -o "Fundamentals of Mathematics.pdf" gnunet://fs/chk/EU0TNNGBFHULPE44KBMG6NVCC30R4HC4VTGC92PC9K9MKO8AOVK738L1TAAC9N05A6H014JNGC164DP5A1I2GEVN0FBHPGBO1SVCL68.VT4K869UHJTP77B42769GEDROARVODCBEQQTJ3UM3V26U3TI5F8Q6OC6LCLILC06K3CFAVVV7UBUBDLMIUKKA0LMJMJSNG3HOMMBQH0.8769524
pode ser que não haja mp4
s na rede!