{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:7TY4GQPGSTPMVULBCDQSL6MRNJ","short_pith_number":"pith:7TY4GQPG","schema_version":"1.0","canonical_sha256":"fcf1c341e694decad16110e125f9916a6de3679850e880a0b36b130527b38904","source":{"kind":"arxiv","id":"2507.02669","version":1},"attestation_state":"computed","paper":{"title":"Density dependent speed of sound and its consequences in neutron stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Gargi Chaudhuri, Suman Pal","submitted_at":"2025-07-03T14:33:58Z","abstract_excerpt":"We introduce a parametrized density-dependent speed of sound and construct an ensemble of equations of state for neutron stars which are found to closely resemble the realistic equations of state calculated using relativistic mean field theory. We show that each of these parameters display an unique feature relevant to the properties of the compact stars. The emergence of special points in the Mass-Radius plot is a significant outcome for neutron stars which is more commonly seen in case of hybrid stars. We have also shown that the curvature term in the speed of sound changes its sign for thes"},"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":"2507.02669","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2025-07-03T14:33:58Z","cross_cats_sorted":[],"title_canon_sha256":"95845cebab04998d34fa1a55fce18ba96d8778fcf530ba34f3aae20cd843141e","abstract_canon_sha256":"93778e15507ddabc95f9347df147e93479cc57d036f4948dd4280a7e0c46a6b8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:31:32.729707Z","signature_b64":"sOpdhTpUQ6YN51KOTLWPnItO3O5hjdkmOvNOjNhqsFM+CDd4tI3pF9lPvigTwQnOL+CSaEQuLQjWRrLcuorKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcf1c341e694decad16110e125f9916a6de3679850e880a0b36b130527b38904","last_reissued_at":"2026-07-05T11:31:32.729233Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:31:32.729233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Density dependent speed of sound and its consequences in neutron stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"Gargi Chaudhuri, Suman Pal","submitted_at":"2025-07-03T14:33:58Z","abstract_excerpt":"We introduce a parametrized density-dependent speed of sound and construct an ensemble of equations of state for neutron stars which are found to closely resemble the realistic equations of state calculated using relativistic mean field theory. We show that each of these parameters display an unique feature relevant to the properties of the compact stars. The emergence of special points in the Mass-Radius plot is a significant outcome for neutron stars which is more commonly seen in case of hybrid stars. We have also shown that the curvature term in the speed of sound changes its sign for thes"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.02669","kind":"arxiv","version":1},"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/2507.02669/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":"2507.02669","created_at":"2026-07-05T11:31:32.729289+00:00"},{"alias_kind":"arxiv_version","alias_value":"2507.02669v1","created_at":"2026-07-05T11:31:32.729289+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.02669","created_at":"2026-07-05T11:31:32.729289+00:00"},{"alias_kind":"pith_short_12","alias_value":"7TY4GQPGSTPM","created_at":"2026-07-05T11:31:32.729289+00:00"},{"alias_kind":"pith_short_16","alias_value":"7TY4GQPGSTPMVULB","created_at":"2026-07-05T11:31:32.729289+00:00"},{"alias_kind":"pith_short_8","alias_value":"7TY4GQPG","created_at":"2026-07-05T11:31:32.729289+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.05005","citing_title":"Characterizing the quark-hadron mixed phase in compact star cores : sensitivity to nuclear saturation and quark-model parameters at finite-temperature","ref_index":64,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7TY4GQPGSTPMVULBCDQSL6MRNJ","json":"https://pith.science/pith/7TY4GQPGSTPMVULBCDQSL6MRNJ.json","graph_json":"https://pith.science/api/pith-number/7TY4GQPGSTPMVULBCDQSL6MRNJ/graph.json","events_json":"https://pith.science/api/pith-number/7TY4GQPGSTPMVULBCDQSL6MRNJ/events.json","paper":"https://pith.science/paper/7TY4GQPG"},"agent_actions":{"view_html":"https://pith.science/pith/7TY4GQPGSTPMVULBCDQSL6MRNJ","download_json":"https://pith.science/pith/7TY4GQPGSTPMVULBCDQSL6MRNJ.json","view_paper":"https://pith.science/paper/7TY4GQPG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2507.02669&json=true","fetch_graph":"https://pith.science/api/pith-number/7TY4GQPGSTPMVULBCDQSL6MRNJ/graph.json","fetch_events":"https://pith.science/api/pith-number/7TY4GQPGSTPMVULBCDQSL6MRNJ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7TY4GQPGSTPMVULBCDQSL6MRNJ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7TY4GQPGSTPMVULBCDQSL6MRNJ/action/storage_attestation","attest_author":"https://pith.science/pith/7TY4GQPGSTPMVULBCDQSL6MRNJ/action/author_attestation","sign_citation":"https://pith.science/pith/7TY4GQPGSTPMVULBCDQSL6MRNJ/action/citation_signature","submit_replication":"https://pith.science/pith/7TY4GQPGSTPMVULBCDQSL6MRNJ/action/replication_record"}},"created_at":"2026-07-05T11:31:32.729289+00:00","updated_at":"2026-07-05T11:31:32.729289+00:00"}