Many websites and repositories (such as Chaminade Syllabus or academic databases) use 5-digit IDs to index files.
"Technical Data: ISO 22986 Compliance. This archive contains the structural calculations and elastic deformation data required for crane movement safety assessments." 22986 rar
There is an international standard, ISO 22986:2007, which covers stiffness requirements for bridge and gantry cranes. Many websites and repositories (such as Chaminade Syllabus
"Download for File ID 22986. This archive contains the necessary course materials/datasets as referenced in the repository." 4. Technical Specifications (ISO 22986) 22986 rar