Here are the cookies you're using through CGIProxy:

Delete this cookie?	For server names ending in:	... and a path starting with:	Secure?	Cookie name	Value
	.imdb.com	/	Yes	international-seo
	.springer.com	/	No	idp_marker	b333ca80-5a3d-4391-ad6f-0d6b75f07d91
	.springer.com	/	Yes	idp_session	sVERSION_1d800a6fa-b6d9-425b-a668-8252e2bb08af
	.springer.com	/	No	idp_session_http	hVERSION_19eb230ea-eb9f-4993-8157-827fe88b97aa
	.springer.com	/	Yes	sim-inst-token	"1::1735631376551:1715e275"
	.springer.com	/	Yes	trackid	"qcbjhanvxivmo6sx3l4segsnq"
	.springer.com	/	No	user.uuid.v2	"1a868bc5-4c7e-417c-be32-d71519b866ef"

Authentication cookies: