C:\PS> Get-Date > Date.tmp
C:\PS> New-FileCatalog -CatalogVersion 2 -CatalogFilePath catalog.cat -Path Date.tmp -WhatIf

What if: Performing the operation "Create new file catalog" on target "C:\PS\catalog.cat".

Mode          LastWriteTime Length Name       
----          ------------- ------ ----       
-a----  12/9/2016  12:37 PM    433 catalog.cat

C:\PS> Test-FileCatalog -Detailed -CatalogFilePath catalog.cat 

Status        : Valid
HashAlgorithm : SHA256
CatalogItems  : {[Date.tmp, 2F38E0FD77AF90E6E463938C4D4ED9AE03F575AC7C0441C6A3DBE9A1C4D55459]}
PathItems     : {[Date.tmp, 2F38E0FD77AF90E6E463938C4D4ED9AE03F575AC7C0441C6A3DBE9A1C4D55459]}
Signature     : System.Management.Automation.Signature

C:\PS> Get-FileHash -Path Date.tmp

Algorithm : SHA256
Hash      : 2F38E0FD77AF90E6E463938C4D4ED9AE03F575AC7C0441C6A3DBE9A1C4D55459
Path      : C:\Temp\Demo\Date.tmp

> $PSVersionTable

Name                      Value                  
----                      -----                  
PSVersion                 5.1.14393.206          
PSEdition                 Desktop                
PSCompatibleVersions      {1.0, 2.0, 3.0, 4.0...}
BuildVersion              10.0.14393.206         
CLRVersion                4.0.30319.42000        
WSManStackVersion         3.0                    
PSRemotingProtocolVersion 2.3                    
SerializationVersion      1.1.0.1