{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:DZ2DJJWPRLERIO6HXCML5QLZFS","short_pith_number":"pith:DZ2DJJWP","schema_version":"1.0","canonical_sha256":"1e7434a6cf8ac9143bc7b898bec1792c91de603bff9030d68f6b201be67aae5e","source":{"kind":"arxiv","id":"1704.08510","version":1},"attestation_state":"computed","paper":{"title":"A Lee-Yang--inspired functional with a density--dependent neutron-neutron scattering length","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"C.J. Yang, D. Lacroix, M. Grasso","submitted_at":"2017-04-27T11:23:02Z","abstract_excerpt":"Inspired by the low--density Lee-Yang expansion for the energy of a dilute Fermi gas of density $\\rho$ and momentum $k_F$, we introduce here a Skyrme--type functional that contains only $s$-wave terms and provides, at the mean--field level, (i) a satisfactory equation of state for neutron matter from extremely low densities up to densities close to the equilibrium point, and (ii) a good--quality equation of state for symmetric matter at density scales around the saturation point. This is achieved by using a density--dependent neutron-neutron scattering length $a(\\rho$) which satisfies the low-"},"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":"1704.08510","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-04-27T11:23:02Z","cross_cats_sorted":[],"title_canon_sha256":"e67c9ca203ae57b6d92f699e2b36bd6347c08416e9a0cc2c5961c1aa48ede5de","abstract_canon_sha256":"00e0e575d947eb9687fed91d3b8b521614db85e684a924c02ab9ebb52856f5bd"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:52.237460Z","signature_b64":"mVFvwB27WGd/PR7Wg6MJeC7DyeGklW+kiZjjMdeyz7bvadN0NQr4VzNvbgQ3RxU81mvy55hHbvOB2zXb5sZ2CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e7434a6cf8ac9143bc7b898bec1792c91de603bff9030d68f6b201be67aae5e","last_reissued_at":"2026-05-18T00:42:52.236743Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:52.236743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"A Lee-Yang--inspired functional with a density--dependent neutron-neutron scattering length","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"C.J. Yang, D. Lacroix, M. Grasso","submitted_at":"2017-04-27T11:23:02Z","abstract_excerpt":"Inspired by the low--density Lee-Yang expansion for the energy of a dilute Fermi gas of density $\\rho$ and momentum $k_F$, we introduce here a Skyrme--type functional that contains only $s$-wave terms and provides, at the mean--field level, (i) a satisfactory equation of state for neutron matter from extremely low densities up to densities close to the equilibrium point, and (ii) a good--quality equation of state for symmetric matter at density scales around the saturation point. This is achieved by using a density--dependent neutron-neutron scattering length $a(\\rho$) which satisfies the low-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.08510","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":""},"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":"1704.08510","created_at":"2026-05-18T00:42:52.236871+00:00"},{"alias_kind":"arxiv_version","alias_value":"1704.08510v1","created_at":"2026-05-18T00:42:52.236871+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.08510","created_at":"2026-05-18T00:42:52.236871+00:00"},{"alias_kind":"pith_short_12","alias_value":"DZ2DJJWPRLER","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_16","alias_value":"DZ2DJJWPRLERIO6H","created_at":"2026-05-18T12:31:12.930513+00:00"},{"alias_kind":"pith_short_8","alias_value":"DZ2DJJWP","created_at":"2026-05-18T12:31:12.930513+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DZ2DJJWPRLERIO6HXCML5QLZFS","json":"https://pith.science/pith/DZ2DJJWPRLERIO6HXCML5QLZFS.json","graph_json":"https://pith.science/api/pith-number/DZ2DJJWPRLERIO6HXCML5QLZFS/graph.json","events_json":"https://pith.science/api/pith-number/DZ2DJJWPRLERIO6HXCML5QLZFS/events.json","paper":"https://pith.science/paper/DZ2DJJWP"},"agent_actions":{"view_html":"https://pith.science/pith/DZ2DJJWPRLERIO6HXCML5QLZFS","download_json":"https://pith.science/pith/DZ2DJJWPRLERIO6HXCML5QLZFS.json","view_paper":"https://pith.science/paper/DZ2DJJWP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1704.08510&json=true","fetch_graph":"https://pith.science/api/pith-number/DZ2DJJWPRLERIO6HXCML5QLZFS/graph.json","fetch_events":"https://pith.science/api/pith-number/DZ2DJJWPRLERIO6HXCML5QLZFS/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DZ2DJJWPRLERIO6HXCML5QLZFS/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DZ2DJJWPRLERIO6HXCML5QLZFS/action/storage_attestation","attest_author":"https://pith.science/pith/DZ2DJJWPRLERIO6HXCML5QLZFS/action/author_attestation","sign_citation":"https://pith.science/pith/DZ2DJJWPRLERIO6HXCML5QLZFS/action/citation_signature","submit_replication":"https://pith.science/pith/DZ2DJJWPRLERIO6HXCML5QLZFS/action/replication_record"}},"created_at":"2026-05-18T00:42:52.236871+00:00","updated_at":"2026-05-18T00:42:52.236871+00:00"}