How to prove document ownership at a specific time
67875
A timestamping authority (digital notary)
157380
How can I create automatically expiring user accounts?
22155
Can timestamps be preserved when copying files on OS X?
42172
Determining user's reputation as of particular date?
48172
Test if file is locked
52826
How do I trust a self signed certificate?
54234
Is there a way to bring a Trello card back automatically from the archive on a due date?
36912
How can I verify users the first time they log in?
96235
How do I find the privileges I have earned and will earn in Stack Overflow?
109704
How to check if a string is a legal "dd/mm/yyyy" date?
50112
How to ensure all data has been physically written to disk?
141658
How can I pin a specific document so I can access it easily and frequently?
116119
Can I publish a paper with new proof but the same result?
96913
How and why would I "claim ownership" of a paper on arXiv?
103530
GetLastWriteTime returning 12/31/1600 7:00:00 PM
150713
How Do I Know A Document With Expires Attribute Got Deleted?
89220
Query on permission sets held by a user