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| "filename": "Grade_10_History_Chapter_02", | |
| "language": "ta", | |
| "source": "gov_textbook", | |
| "content_length": 33958, | |
| "submitted_at": "2026-02-25T17:21:11.077837", | |
| "status": "approved", | |
| "submitted_by": "collector", | |
| "approved_at": "2026-02-25T17:21:31.152612", | |
| "approved_by": "admin" | |
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