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
	.scribd.com	/	Yes	scribd_ubtc	u%3D31fa9f3d-1e73-4d59-9476-5e2cc81d65e4%26h%3DpoHuI0M5ES6bqgvSqhppn01iy3LM%2B9JsKjllYC090rc%3D
	.springer.com	/	No	idp_marker	74d0f4d6-55f4-40be-8aa5-1cc12fd480bb
	.springer.com	/	Yes	idp_session	sVERSION_1310689eb-1d75-494e-a2fa-9669f6b6013f
	.springer.com	/	No	idp_session_http	hVERSION_18a5e3aa1-c04e-47be-bad8-2cdce2166099
	.springer.com	/	Yes	sim-inst-token	"1::1741345843453:b9f024e8"
	.springer.com	/	Yes	trackid	"zy78nkdiworiggsfruyigdcvl"
	.springer.com	/	No	user.uuid.v2	"a634ca76-3ca3-428e-8b36-5cb293e90116"

Authentication cookies: