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Stock option liabilities, Changes to Stock Option Liabilities (Details) - USD ($)
12 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Derivative Stock Option Liabilities [Abstract]    
Change in fair value of stock option liabilities $ (719,000) $ 845,700
Stock Option Liabilities [Member]    
Derivative Stock Option Liabilities [Abstract]    
Balance beginning period 0  
Stock options fair value upon change De-SPAC transaction (Note 4) 330,090  
Change in fair value of stock option liabilities (196,625)  
Balance end period $ 133,465 $ 0