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Warrant liabilities, Derivative Warrant Liabilities (Details) - USD ($)		3 Months Ended		12 Months Ended
	Oct. 29, 2024	Oct. 31, 2025	Oct. 31, 2024	Jul. 31, 2025
Derivative Warrant Liabilities [Abstract]
Fair value of warrants exercised	$ 303,492
Change in fair value of warrant liabilities		$ 2,283,298	$ (488,132)
Warrant Liabilities [Member]
Derivative Warrant Liabilities [Abstract]
Balance beginning period		5,626,473	$ 0	$ 0
Warrants fair value upon change in functional currency (Note 2)				454,571
Warrants issued upon De-SPAC transaction (Note 4)				7,196,286
Warrants to be issued (mandatory convertible debentures)				7,500
Change in fair value of warrant liabilities (exercised warrants)				162,396
Change in fair value of warrant liabilities (expired warrants)				(25,067)
Fair value of warrants exercised				(303,492)
Change in fair value of warrant liabilities		(2,283,298)		(1,865,721)
Balance end period		$ 3,343,175		$ 5,626,473

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Amount of expense (income) related to Change in fair value of warrant liabilities (exercised warrants) to fair value of warrant liability.

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Amount of expense (income) related to Change in fair value of warrant liabilities (expired warrants) to fair value of warrant liability.

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Amount of expense (income) related to exercised to fair value of warrant liability.

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Amount of warrants fair value upon change in functional currency.

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Amount of expense (income) related to warrants issued to mandatory convertible debentures to fair value of warrant liability.

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The amount of warrants issued upon De-SPAC transaction.

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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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