{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KA5X66HNAXPV24VOQVDNKKLKOK","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":"d27b5562298237cf5bb1ed32f89e3bdcb6c50d55236cd9d32a800a26c1500195","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-07-11T16:02:05Z","title_canon_sha256":"fc2c1903dd93e0f478b7effdd07cd5f03acd94268bb72bdc5b6937063d5c6f83"},"schema_version":"1.0","source":{"id":"1507.03118","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1507.03118","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"arxiv_version","alias_value":"1507.03118v1","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1507.03118","created_at":"2026-05-18T01:34:54Z"},{"alias_kind":"pith_short_12","alias_value":"KA5X66HNAXPV","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_16","alias_value":"KA5X66HNAXPV24VO","created_at":"2026-05-18T12:29:27Z"},{"alias_kind":"pith_short_8","alias_value":"KA5X66HN","created_at":"2026-05-18T12:29:27Z"}],"graph_snapshots":[{"event_id":"sha256:25029e371381835762ce700abff44f6ebb93742821945bf1ef375d0469cb90de","target":"graph","created_at":"2026-05-18T01:34:54Z","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":"In a recent paper [Phys.~Rev.~A {\\bf 89}, 022503 (2014)], the average density approximation (ADA) was implemented to develop a parameter-free, nonlocal kinetic energy functional to be used in the orbital-free density-functional theory of an inhomogenous, two-dimensional (2D), Fermi gas. In this work, we provide a detailed comparison of self-consistent calculations within the ADA with the exact results of the Kohn-Sham density-functional theory, and the elementary Thomas-Fermi (TF) approximation. We demonstrate that the ADA for the 2D kinetic energy functional works very well under a wide varie","authors_text":"B. P. van Zyl, J. Towers, W. Kirkby","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-07-11T16:02:05Z","title":"Testing the nonlocal kinetic energy functional of an inhomogeneous, two-dimensional degenerate Fermi gas within the average density approximation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1507.03118","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:d64b9d43ba2f9e77eb56506feab254105c0336ec6441e47c36d52bc0366e76f4","target":"record","created_at":"2026-05-18T01:34:54Z","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":"d27b5562298237cf5bb1ed32f89e3bdcb6c50d55236cd9d32a800a26c1500195","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-07-11T16:02:05Z","title_canon_sha256":"fc2c1903dd93e0f478b7effdd07cd5f03acd94268bb72bdc5b6937063d5c6f83"},"schema_version":"1.0","source":{"id":"1507.03118","kind":"arxiv","version":1}},"canonical_sha256":"503b7f78ed05df5d72ae8546d5296a72861b1a8bd00ba6f1d24cee18f89b544e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"503b7f78ed05df5d72ae8546d5296a72861b1a8bd00ba6f1d24cee18f89b544e","first_computed_at":"2026-05-18T01:34:54.407475Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:34:54.407475Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mMdEBiLUHbcA9M2YXywNbgq4rIHp2Av8QMIPraN1qtnNGg7GhEv6gg7A/QQT9FtnB2E2aqpFy4AsxlYsQVmHDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:34:54.408111Z","signed_message":"canonical_sha256_bytes"},"source_id":"1507.03118","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d64b9d43ba2f9e77eb56506feab254105c0336ec6441e47c36d52bc0366e76f4","sha256:25029e371381835762ce700abff44f6ebb93742821945bf1ef375d0469cb90de"],"state_sha256":"f7c71c5b3f219693d6ceb3d8e5b84c5b8c38bffa1ba0e5c52235032c82151db0"}