Pile of Indexcards

As I write in 'Date and Time', the time stamp is interpreted as 'absolute name' of each card. It provides easy and consistent way to spanning link between the indexcards.

To realize this, the time stamp must be unique, but not necessary to be accurate. Plus, it is easy to find a specific card, according to the stamp, if all cards are kept in chronological order as I do. As useful rule, you can omit year, month, date if the cards are written in same date.

This idea can be extended to any kind of documents. Actually, I put time stamp for all document I write/copy/printout. Sometimes a rubber stamp is useful.