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It is, however, not so easy within the standard Skyrme model to reproduce the almost exact linear growth of the nuclear masses with the baryon number (topological charge), due to the lack of Bogomolny solutions in this model, which has also hindered analytical progress. Here we identify a submodel within the Skyrme-type low energy effective action which does have a Bogomolny bound and exact Bogomolny solutions, and therefore, at least at the classical level, reproduces the nuclear ma"},"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":"1001.4544","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-01-25T21:29:13Z","cross_cats_sorted":["math-ph","math.MP","nucl-th"],"title_canon_sha256":"54db39cac26e07a21a31c74a64ccd7ccd8769666f9b8e3db3c49e460d1b69f8a","abstract_canon_sha256":"325c2ef8955e1d7fae68b82b6919681d40939288ca759b55944907b3681d04b4"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:33:49.247417Z","signature_b64":"sBGBQcJ4HVivAclypkC8NDcItLI0g3xpYSHK9p4xxUTRXtrcupAi0PaazNfwg+vfhgKC8LUrz3Ud8GGlAgSNBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0b4158ced75e0259182117762fb625ca209ed1c81a886ff71c06cdd6ae244640","last_reissued_at":"2026-05-18T02:33:49.246850Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:33:49.246850Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Skyrme-type proposal for baryonic matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP","nucl-th"],"primary_cat":"hep-th","authors_text":"A. 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