Osiris Schedulehow often, not just how Everything this involves, sorted by how frequently you actually do it
Schedule › Every few weeks

Prune what died

delete, do not archive

Collecting addresses is easy and everybody does it. This is the half that matters and the half nobody does.

Osiris addresses

Three published addresses for the same market. Copy rather than retype.

osiriseultmx3so5ef6ayasy4kdyekbywr7pyggpmjazeogxoyaodsyd.onion
osirislivpetlbabbl3zzqhupurfkxxbzbheu3bkrshkaiwg2hcxbyqd.onion
osirisydmlx47esm6ylhzhtnjrucgnymi7beqoyzze5jn3opbr3zy4id.onion

This list is published, not monitored. An address that opens is not an address that is genuine, and the check that settles it belongs to the every time list.

How often
Every few weeks, straight after comparing your list.
How long
Seconds.
What it prevents
Pasting a retired address months later, on a distracted evening, when it has a new owner.
If you skip it
Your file slowly fills with strings that are more dangerous than useful.
How you notice you stopped
The file has entries you cannot date and cannot account for.

What a retired address is worth to somebody else

Think about what an address that served for two years has that a fresh imitation does not. It sits in old forum posts, archived pages, unmaintained lists, bookmarks and screenshots. People recognise it. Some recognise it well enough to skip checking, because it looks like the one they have always used.

Whoever answers there inherits every bit of that without doing anything. No ranking to build, nobody to convince. They wait for traffic that was already heading there, and that traffic is disproportionately people who trust the string because they remember it.

The ruleAn address that stopped working and later starts working again has not recovered. Nothing retired returns under the same string, so something resembling it is answering under different ownership.

Being precise about what is possible

Possible?
Taking over the exact addressNo, absent a key compromise. Serving traffic there requires the private key it was derived from.
Standing up a close resemblanceYes, and cheaply. This is what you will actually encounter.

So the thing answering is a near miss: a familiar opening, sometimes a familiar ending, and a middle that differs. That is the whole reason the middle is where you look.

Delete, do not archive

An address kept in an old entries section, or commented out, or moved to the bottom of the file, is an address you might paste months later. The point of pruning is that the string stops existing in a place you can reach in a hurry. Keeping a record that a rotation happened is fine. Keeping the string is not.