Suggestion: Use bookmark to relocate all pins for editing with same integer page.

[dotpipe]

Use a cipher, of the date that day, with the full UTC, to create a bookmarkable page and catalog all marks made within a user's account. Create rollbacks, as well.

[susam]

The MathB.in service powered by this software has been shut down. More information about the shutdown is available at https://susam.net/mathbin-is-shutting-down.html. There are no plans for further development on this project.