On the Parliament of Canada website parl.gc.ca links to committee meetings are usually given using document IDs. The problem is that if the meeting is amended (which happens often), they are creating a new document ID, and the previous document ID doesn't redirect to the new one. Which means a link to a meeting that worked one day may break the next day, with no explanation. (This is an incorrect implementation; I don't know whether it is a CMS issue, or why the links and document IDs are being managed in this way.)
So here's how a link is typically provided
But it appears there is actually a permanent linking system in the background, it's just not used. It's of format
https://www.parl.gc.ca/HousePublications/Publication.aspx?Pub=CommitteeMeetingNotice&Acronym=[4 letter committee acronym]&Mee=[meeting number]&Language=e&Mode=1&Parl=[Parliament number]&Ses=[Parliamentary session number]
e.g. for the above document ID 8451116 URL, the equivalent would be
That is to say, meeting number 34 of the ERRE Special Committee on Electoral Reform, during the 42nd Parliament, session 1.
Crossposted from my Paper Vote Canada blog.