Hello All !

I would like to present the new package org-refer-by-number.

The package allows to refer to things outside of Org, that cannot be linked to directly.

An example would be a piece of paper, you get handed over. Within Org you write something about 
it and want to refer to it in an unambiguous way. A common solution would be to simply write a 
unique number on this document (e.g. "277") and to use this number within your notes in Org. 
Through this reference number "277" you can later easily make a connection between your 
Org-notes and the piece of paper.

This use case and others are supported by org-refer-by-number. The package makes it easy to keep 
a table of such reference numbers (277, 278, ...) and allows you to look up or search those 
numbers later on.

Citing the head of its documentation (which you may also find in the attached source file):

;; Purpose:
;;
;;  Refer to things by number, when direct links are not possible. This is done by
;;  keeping a table with increasing numbers in the first column and a timestamp in the
;;  second.
;;
;;  These numbers may then be used to refer to things outside of Org (e.g. you may write
;;  them on a piece of paper or use them as part of a directory name). Within Org you may
;;  then refer to these things by their number (e.g. "R277").
;;
;;
;; Setup:
;;
;;  (require 'org-refer-by-number)
;;  (setq org-refer-by-number-id "7f480c3e-312f-4b9b-b833-6a7a253d1404")
;;  (global-set-key (kbd "C-c C-x r") 'org-refer-by-number)
;;
;; Further reading:
;;
;;  Setup: See the variable `org-refer-by-number-id'
;;  Usage: See the function `org-refer-by-number'


Hope, you will find it useful.

with kind regards,
Marc-Oliver Ihm