TLS brings security and auth: how do you know twitter's service is at https://twitter3e4tixl4xyajtrzo62zg5vztmjuricljdp2c5kshju4avyo3d.onion https://twitter3e4t

TLS brings security and auth: how do you know twitter's service is at https://twitter3e4tixl4xyajtrzo62zg5vztmjuricljdp2c5kshju4avyo3d.onion https://twitter3e4tixl4xyajtrzo62zg5vztmjuricljdp2c5kshju4av... ? Or is it at https://twitter3e4tixl4xyajtrzo62zg5vztmjuricljdp2c5kshju4avyoid.onion https://twitter3e4tixl4xyajtrzo62zg5vztmjuricljdp2c5kshju4av... ? .onion certs can now go the whole chain such that you don't need to rely on non-tor access to do the auth