: This is likely a unique accession number or database ID used by a specific library system to catalog the digital file.
The identifier appears to be a specific file name or database entry, likely associated with a digital book (MOBI format) from an online library or archive system. 000990010eldfdmlibrolandia0409 mobi
: Large-scale repositories that host public domain or archival texts. : This is likely a unique accession number
: This segment points to the source or distributor. "Librolandia" (Spanish for "Bookland") is a common name for digital book repositories, particularly those serving Spanish-speaking regions or specialized digital collections. : This segment points to the source or distributor
: This may represent a date of upload (e.g., April 2009) or a specific batch code used during the digitization process.
: Metadata strings often look like this in large-scale ebook aggregators or file-sharing networks where automated naming conventions are used.
The string can be broken down into several likely components: Breakdown of the Identifier