{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:SITF3YTKY4LK72OQWIBQHJCJRJ","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f5949c75d578311973de0526513540ece3834d6d47e2763a52285ed746acfefa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-05-17T16:48:15Z","title_canon_sha256":"1eb728757cc6124329e0d4b75b950f7b4f70fc4015899717f47df003d1152994"},"schema_version":"1.0","source":{"id":"1705.06607","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.06607","created_at":"2026-05-18T00:32:20Z"},{"alias_kind":"arxiv_version","alias_value":"1705.06607v2","created_at":"2026-05-18T00:32:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.06607","created_at":"2026-05-18T00:32:20Z"},{"alias_kind":"pith_short_12","alias_value":"SITF3YTKY4LK","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"SITF3YTKY4LK72OQ","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"SITF3YTK","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:145c193e14be701611c37ae57adcb7d7fad1d24c64a06547efc1593e967f962b","target":"graph","created_at":"2026-05-18T00:32:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Correlated Basis Function (CBF) perturbation theory and the formalism of cluster expansions have been recently employed to obtain an effective interaction from a nuclear Hamiltonian strongly constrained by phenomenology. We report the results of a study of the superfluid gap in pure neutron matter, associated with the formation of Cooper pairs in the $^1S_0$ channel. The calculations have been carried out using an improved version of the CBF effective interaction, in which three-nucleon forces are taken into account using a microscopic model. Our results show that a non-vanishing superfluid ga","authors_text":"Giulia De Rosi, Omar Benhar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-05-17T16:48:15Z","title":"Superfluid Gap in Neutron Matter from a Microscopic Effective Interaction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.06607","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:363fd6f5cd72acd2f92653ab75068d77fb996f5f343a115d34a43d1d2b5a9acc","target":"record","created_at":"2026-05-18T00:32:20Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f5949c75d578311973de0526513540ece3834d6d47e2763a52285ed746acfefa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-05-17T16:48:15Z","title_canon_sha256":"1eb728757cc6124329e0d4b75b950f7b4f70fc4015899717f47df003d1152994"},"schema_version":"1.0","source":{"id":"1705.06607","kind":"arxiv","version":2}},"canonical_sha256":"92265de26ac716afe9d0b20303a4498a5582d68d5aa4dd8f8e1e62d532250852","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92265de26ac716afe9d0b20303a4498a5582d68d5aa4dd8f8e1e62d532250852","first_computed_at":"2026-05-18T00:32:20.545822Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:20.545822Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7fv6Tejg40c2bkwE1kQ1i9MWISN//KKIcuQxABnADF3WfslAYbjbUysA//OTp5kruPNBK/Rb0eQ5Ne4hetskAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:20.546417Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.06607","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:363fd6f5cd72acd2f92653ab75068d77fb996f5f343a115d34a43d1d2b5a9acc","sha256:145c193e14be701611c37ae57adcb7d7fad1d24c64a06547efc1593e967f962b"],"state_sha256":"6ee7b996ed84d091b01970343093d7b8cad95fb3535ce468297744a49819d028"}