The code you provided, EP9000CUSA0880900SOTC0000000000EUA0100V0100, is not a standard academic title or DOI. It is a file naming convention (specifically a Long File Name or LFN) used for Exposure Drafts (ED) and International Standards regarding Financial Instruments (IFRS).
Here is the breakdown of the code:
Based on this identifier, the "proper paper" you are looking for is the Exposure Draft regarding the classification and measurement of financial instruments, specifically focusing on transaction costs. ep9000cusa0880900sotc0000000000eua0100v0100
SOTC – Internal Project CodeSOTC is the most distinctive non-standard abbreviation. In industrial contexts, this could be: EP : Exposure Draft (Proposed change)
The presence of 0000000000 immediately after SOTC suggests a placeholder for a 10-digit unique serial number that has been zeroed out for privacy or in documentation. In real units, those zeros would be replaced with a unique ID. Based on this identifier, the "proper paper" you
Thus, SOTC0000000000 might actually be SOTC + [10-digit serial].