{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:4MTWW23ZQLEPSBO57LHTBA2OJV","short_pith_number":"pith:4MTWW23Z","schema_version":"1.0","canonical_sha256":"e3276b6b7982c8f905ddfacf30834e4d41b9776c7f3b3dde0e2ac1ebcf5a718a","source":{"kind":"arxiv","id":"2209.12657","version":4},"attestation_state":"computed","paper":{"title":"Role of vector self-interaction in Neutron Star properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"nucl-th","authors_text":"Bikram Keshari Pradhan, Debarati Chatterjee, J\\\"urgen Schaffner-Bielich, Radhika Gandhi","submitted_at":"2022-09-26T13:03:53Z","abstract_excerpt":"Previous studies have claimed that there exist correlations among certain nuclear saturation parameters and neutron star observables, such as the slope of the symmetry energy and the radius of a $1.4M_{\\odot}$ neutron star. However, it is not clear whether such correlations are physical or spurious, as they are not observed universally for all equation of state models. In this work, we probe the role of vector self-interaction within the framework of the Relativistic Mean Field model and its role in governing the observable stellar properties and their correlations with nuclear parameters. We "},"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":"2209.12657","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2022-09-26T13:03:53Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"7cd96bcabd35af2543e1a82fc85c949870957ce5637c618803bce61932cca65e","abstract_canon_sha256":"2389040e6cd83887e442d2c0603003595c8e36e1741387464c7e690125a75716"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:23:22.563323Z","signature_b64":"PhN7uLkEV2eL5mnofv+ixfXv4DlRnYG1uutOkeesCfQ5QwBo+piJUou6OxFyPCzGbGJm4vWOpkGMOqDwpX09Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e3276b6b7982c8f905ddfacf30834e4d41b9776c7f3b3dde0e2ac1ebcf5a718a","last_reissued_at":"2026-07-05T07:23:22.562875Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:23:22.562875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Role of vector self-interaction in Neutron Star properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"nucl-th","authors_text":"Bikram Keshari Pradhan, Debarati Chatterjee, J\\\"urgen Schaffner-Bielich, Radhika Gandhi","submitted_at":"2022-09-26T13:03:53Z","abstract_excerpt":"Previous studies have claimed that there exist correlations among certain nuclear saturation parameters and neutron star observables, such as the slope of the symmetry energy and the radius of a $1.4M_{\\odot}$ neutron star. However, it is not clear whether such correlations are physical or spurious, as they are not observed universally for all equation of state models. In this work, we probe the role of vector self-interaction within the framework of the Relativistic Mean Field model and its role in governing the observable stellar properties and their correlations with nuclear parameters. We "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2209.12657","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2209.12657/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2209.12657","created_at":"2026-07-05T07:23:22.562931+00:00"},{"alias_kind":"arxiv_version","alias_value":"2209.12657v4","created_at":"2026-07-05T07:23:22.562931+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2209.12657","created_at":"2026-07-05T07:23:22.562931+00:00"},{"alias_kind":"pith_short_12","alias_value":"4MTWW23ZQLEP","created_at":"2026-07-05T07:23:22.562931+00:00"},{"alias_kind":"pith_short_16","alias_value":"4MTWW23ZQLEPSBO5","created_at":"2026-07-05T07:23:22.562931+00:00"},{"alias_kind":"pith_short_8","alias_value":"4MTWW23Z","created_at":"2026-07-05T07:23:22.562931+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2607.08412","citing_title":"Relativistic Mean Field Approach with Chiral Symmetry Breaking and Quark Confinement in the light of Astrophysical Observations","ref_index":126,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/4MTWW23ZQLEPSBO57LHTBA2OJV","json":"https://pith.science/pith/4MTWW23ZQLEPSBO57LHTBA2OJV.json","graph_json":"https://pith.science/api/pith-number/4MTWW23ZQLEPSBO57LHTBA2OJV/graph.json","events_json":"https://pith.science/api/pith-number/4MTWW23ZQLEPSBO57LHTBA2OJV/events.json","paper":"https://pith.science/paper/4MTWW23Z"},"agent_actions":{"view_html":"https://pith.science/pith/4MTWW23ZQLEPSBO57LHTBA2OJV","download_json":"https://pith.science/pith/4MTWW23ZQLEPSBO57LHTBA2OJV.json","view_paper":"https://pith.science/paper/4MTWW23Z","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2209.12657&json=true","fetch_graph":"https://pith.science/api/pith-number/4MTWW23ZQLEPSBO57LHTBA2OJV/graph.json","fetch_events":"https://pith.science/api/pith-number/4MTWW23ZQLEPSBO57LHTBA2OJV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4MTWW23ZQLEPSBO57LHTBA2OJV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4MTWW23ZQLEPSBO57LHTBA2OJV/action/storage_attestation","attest_author":"https://pith.science/pith/4MTWW23ZQLEPSBO57LHTBA2OJV/action/author_attestation","sign_citation":"https://pith.science/pith/4MTWW23ZQLEPSBO57LHTBA2OJV/action/citation_signature","submit_replication":"https://pith.science/pith/4MTWW23ZQLEPSBO57LHTBA2OJV/action/replication_record"}},"created_at":"2026-07-05T07:23:22.562931+00:00","updated_at":"2026-07-05T07:23:22.562931+00:00"}