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Cost of sales - Schedule of Cost on Sales (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Schedule of Revenue [Abstract] |  |  |
Subcontracting charges | $ 395,096 | $ 853,092 |
Depreciation and amortization | 172,318 | 83,944 |
Salaries | 77,581 | 197,890 |
Revenue | $ 644,995 | $ 1,134,926 | $ 1,269,776

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