id	kind	claim	recorded_value	expected	http	ms	recorded_at
C01	control	Record, seal, verify -> A sealed recording verifies.	true	[true]	200	254	2026-11-03T22:45:59+00:00
C02	attack	Edit an event after sealing -> Changing one event changes its hash and the root.	false	[false]	200	377	2026-11-03T22:46:00+00:00
C03	attack	Drop an event after sealing -> Truncation is detected.	false	[false]	200	1519	2026-11-03T22:46:02+00:00
C04	attack	Add an event after sealing -> A sealed recording accepts nothing more.	"HTTP 409"	[]	409	258	2026-11-03T22:46:02+00:00
C05	attack	Inclusion proof against a made-up root -> A proof must lead to the root it claims.	false	[false]	200	35	2026-11-03T22:46:03+00:00