{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:AIP52WSFKBSED2E6GI3RJWT43M","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":"bb63361faed3ab78f9234217d24edb14362976a96b0c1acc07a6202bb469ee73","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2026-06-16T08:13:56Z","title_canon_sha256":"c661bb8d38c11b9c9cd1820de51ede85849424de713f1989dac9de12294fa7c4"},"schema_version":"1.0","source":{"id":"2606.17652","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.17652","created_at":"2026-06-19T16:10:18Z"},{"alias_kind":"arxiv_version","alias_value":"2606.17652v1","created_at":"2026-06-19T16:10:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.17652","created_at":"2026-06-19T16:10:18Z"},{"alias_kind":"pith_short_12","alias_value":"AIP52WSFKBSE","created_at":"2026-06-19T16:10:18Z"},{"alias_kind":"pith_short_16","alias_value":"AIP52WSFKBSED2E6","created_at":"2026-06-19T16:10:18Z"},{"alias_kind":"pith_short_8","alias_value":"AIP52WSF","created_at":"2026-06-19T16:10:18Z"}],"graph_snapshots":[{"event_id":"sha256:8197f65bc64bd8da1e0ed0a3e83cd8238e6802181b70a57c7b08a671875a29b0","target":"graph","created_at":"2026-06-19T16:10:18Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.17652/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The solution of the three-dimensional Schr\\\"odinger-like single-particle equations that appear in Kohn Sham density functional theory, as well as in other contexts, for large systems and without any symmetry, requires efficient and robust numerical algorithms. Conventional methods suffer from slow convergence and require careful tuning, depending on the spatial discretization. Conjugate gradient methods combined with preconditioning have been proposed to accelerate the convergence of symmetry-unrestricted Skyrme energy density functionals; however, their effectiveness may depend on the design ","authors_text":"Alessandro Sala, Gianluca Col\\`o","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2026-06-16T08:13:56Z","title":"Improving the efficiency of Hartree--Fock--Bogoliubov solvers in 3D space"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.17652","kind":"arxiv","version":1},"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":"sha256:104fbb734837184bc09255111642e36b21d1a89170a0edd2bd9f9abb7a1f1a9b","target":"record","created_at":"2026-06-19T16:10:18Z","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":"bb63361faed3ab78f9234217d24edb14362976a96b0c1acc07a6202bb469ee73","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2026-06-16T08:13:56Z","title_canon_sha256":"c661bb8d38c11b9c9cd1820de51ede85849424de713f1989dac9de12294fa7c4"},"schema_version":"1.0","source":{"id":"2606.17652","kind":"arxiv","version":1}},"canonical_sha256":"021fdd5a45506441e89e323714da7cdb05d8b433369326459a9de023e81572e5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"021fdd5a45506441e89e323714da7cdb05d8b433369326459a9de023e81572e5","first_computed_at":"2026-06-19T16:10:18.290473Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-19T16:10:18.290473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eytrTaM1jVebBn+OKIKaRiB3+zJcQ/KbhIEFW0epMiI88nNfCmUBkuyQ/j+oZII3ozRrodW0FGTR+CxsQVLDCA==","signature_status":"signed_v1","signed_at":"2026-06-19T16:10:18.290826Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.17652","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:104fbb734837184bc09255111642e36b21d1a89170a0edd2bd9f9abb7a1f1a9b","sha256:8197f65bc64bd8da1e0ed0a3e83cd8238e6802181b70a57c7b08a671875a29b0"],"state_sha256":"401e0e98e09237ef5f289ba7e9196be5fd3b459dc1fdc43ccc6334612bb09a55"}