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First order decreasing rates of orbital angular momentum (OAM), systemic mass ($M=M_{1}+M_{2}$) and orbital period of detached active binaries have been determined as $\\dot J/J = -3.48 \\times 10^{-10}$yr$^{-1}$, $\\dot M/M = -1.30 \\times 10^{-10}$yr$^{-1}$ and $\\dot P/P = -3.96\\times 10^{-10}$yr$^{-1}$ from the kinematical ages of 62 field detached systems. The ratio of $d \\log J/ d \\log M = 2.68$ implies that either there are mechanisms which amplify AM loss $\\delta=2.68$ times with respect to isotropic AM"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"astro-ph/0607057","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-04T16:34:40Z","cross_cats_sorted":[],"title_canon_sha256":"6f91d02ec25622d1bbb66d22f1d05ee89e944671a39e6db58d770226fe84dac2","abstract_canon_sha256":"79cc56957d7c7fc03e56d6a3e340e0860393893b8b761d9a3183a2529edbe31a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:52:23.836365Z","signature_b64":"5yN+8K22mfXaljm8hTB7GokS5Byr9ZqbjzPZ1loqVp0rM+xXfJRo1+KP0mJ5zOITX6xHH3DuMNrUMi9cuQpqDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a496545f08c145d9b4d68676c3951e86e514d9887cb9a37324ccaf41c1f2fd15","last_reissued_at":"2026-07-04T15:52:23.835954Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:52:23.835954Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Evidences on secular dynamical evolution of detached active binary orbits and contact binary formation","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"O. 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