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	session-id	000-0000000-0000000
	.imdb.com	/	Yes	session-id-time	2368795457
	.imdb.com	/	Yes	uu	eyJpZCI6InV1YzkzZDE1OTRjOTAwNGU4MDg3MjgiLCJwcmVmZXJlbmNlcyI6eyJmaW5kX2luY2x1ZGVfYWR1bHQiOmZhbHNlfX0=
	.springer.com	/	No	idp_marker	c7feb628-6f3d-4464-9345-61b7138c3cf7
	.springer.com	/	Yes	idp_session	sVERSION_17cb79ee5-579a-48c2-abf3-19b4bed23e53
	.springer.com	/	No	idp_session_http	hVERSION_15341810e-b536-42fb-8376-0f199325687a
	.springer.com	/	Yes	sim-inst-token	"1::1738105455057:b77e7996"
	.springer.com	/	Yes	trackid	"up2rskfvkl5exmbcychtr5dgt"
	.springer.com	/	No	user.uuid.v2	"3c25ed3a-019e-4617-95d6-6e34ad0554fc"

Authentication cookies: