A "snippet" is the central concept.

A snippet has an "ID".
The ID is short (10 characters max).
The ID consists of a hash sign followed by an integer.
A snippet's ID never changes.

A snippet is usually identified by its ID.

A snippet has a "title".
The title is a one-line string of reasonable size (maybe 1000 characters max).
A snippet's title may change.

A snippet has a "text".
The text is a string (potentially long).
A snippet's text may change.

A snippet has an "md5".
An md5 is a one-line string.
A snippet's md5 may change.