{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:LLPV7JMFT5HZALYIF223OH6WGQ","short_pith_number":"pith:LLPV7JMF","canonical_record":{"source":{"id":"0902.0739","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-02-04T15:43:49Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"f41fe23a256c10d96195161987f5781764bf7b5c3f19ef92d1e50e75b5c6f2d9","abstract_canon_sha256":"f9c5ba89568b88ff66a7ceb0e76f4b1518bef201964849b142273d89bbca426f"},"schema_version":"1.0"},"canonical_sha256":"5adf5fa5859f4f902f082eb5b71fd63420d80cb2026eb8e75295f1964cd01f3e","source":{"kind":"arxiv","id":"0902.0739","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.0739","created_at":"2026-05-18T02:14:49Z"},{"alias_kind":"arxiv_version","alias_value":"0902.0739v2","created_at":"2026-05-18T02:14:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.0739","created_at":"2026-05-18T02:14:49Z"},{"alias_kind":"pith_short_12","alias_value":"LLPV7JMFT5HZ","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"LLPV7JMFT5HZALYI","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"LLPV7JMF","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:LLPV7JMFT5HZALYIF223OH6WGQ","target":"record","payload":{"canonical_record":{"source":{"id":"0902.0739","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-02-04T15:43:49Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"f41fe23a256c10d96195161987f5781764bf7b5c3f19ef92d1e50e75b5c6f2d9","abstract_canon_sha256":"f9c5ba89568b88ff66a7ceb0e76f4b1518bef201964849b142273d89bbca426f"},"schema_version":"1.0"},"canonical_sha256":"5adf5fa5859f4f902f082eb5b71fd63420d80cb2026eb8e75295f1964cd01f3e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:49.294884Z","signature_b64":"ZucHue1tqmVx+Kjii8Dxfcs11mEN044CPQXlPN+CJyjdOyjHM5QyQwEvkFwd0OemuNixHLd+JSGdcriRJ6mjDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5adf5fa5859f4f902f082eb5b71fd63420d80cb2026eb8e75295f1964cd01f3e","last_reissued_at":"2026-05-18T02:14:49.294470Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:49.294470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0902.0739","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:14:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6AyzxwuN9y5gRjCdXCQqzJnBK4XfUXnyHUSJOrFWMJUkTzjM/IH3eqNckRRNk/mDmOQARuXlv7JGzVft5T1EDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T02:28:31.634978Z"},"content_sha256":"47086d835dff806deb6a0d5dc8904337b335d49e0340b20c56fad52435825c02","schema_version":"1.0","event_id":"sha256:47086d835dff806deb6a0d5dc8904337b335d49e0340b20c56fad52435825c02"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:LLPV7JMFT5HZALYIF223OH6WGQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Biaxial nematic phases in ultracold dipolar Fermi gases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.other","authors_text":"Benjamin L. Lev, Benjamin M. Fregoso, Eduardo Fradkin, Kai Sun","submitted_at":"2009-02-04T15:43:49Z","abstract_excerpt":"Ultracold dipolar Fermi gases represent relatively unexplored, strongly correlated systems arising from long-range and anisotropic interactions. We demonstrate the possibility of a spontaneous symmetry breaking biaxial phase in these systems, which may be realized in, e.g., gases of ultracold polar molecules or strongly magnetic atoms. This biaxial nematic phase is manifest in a spontaneous distortion of the Fermi surface perpendicular to the axis of polarization. We describe these dipolar interaction induced phases using Landau Fermi liquid theory."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.0739","kind":"arxiv","version":2},"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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:14:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4+0y7aaeARsbBsXjxqWFf6HaQDJpkBd/48uatv2fgcheyOo1NBwYHZRGZM6yKP3BJn0djsQTaEFT9WfhF8jNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T02:28:31.635824Z"},"content_sha256":"4f1b7ab5e31767fa3082e3ff60beade941c35ed260b711d18af8d7bc8dc987ed","schema_version":"1.0","event_id":"sha256:4f1b7ab5e31767fa3082e3ff60beade941c35ed260b711d18af8d7bc8dc987ed"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LLPV7JMFT5HZALYIF223OH6WGQ/bundle.json","state_url":"https://pith.science/pith/LLPV7JMFT5HZALYIF223OH6WGQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LLPV7JMFT5HZALYIF223OH6WGQ/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-08T02:28:31Z","links":{"resolver":"https://pith.science/pith/LLPV7JMFT5HZALYIF223OH6WGQ","bundle":"https://pith.science/pith/LLPV7JMFT5HZALYIF223OH6WGQ/bundle.json","state":"https://pith.science/pith/LLPV7JMFT5HZALYIF223OH6WGQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LLPV7JMFT5HZALYIF223OH6WGQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:LLPV7JMFT5HZALYIF223OH6WGQ","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":"f9c5ba89568b88ff66a7ceb0e76f4b1518bef201964849b142273d89bbca426f","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-02-04T15:43:49Z","title_canon_sha256":"f41fe23a256c10d96195161987f5781764bf7b5c3f19ef92d1e50e75b5c6f2d9"},"schema_version":"1.0","source":{"id":"0902.0739","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.0739","created_at":"2026-05-18T02:14:49Z"},{"alias_kind":"arxiv_version","alias_value":"0902.0739v2","created_at":"2026-05-18T02:14:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.0739","created_at":"2026-05-18T02:14:49Z"},{"alias_kind":"pith_short_12","alias_value":"LLPV7JMFT5HZ","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"LLPV7JMFT5HZALYI","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"LLPV7JMF","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:4f1b7ab5e31767fa3082e3ff60beade941c35ed260b711d18af8d7bc8dc987ed","target":"graph","created_at":"2026-05-18T02:14:49Z","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":"Ultracold dipolar Fermi gases represent relatively unexplored, strongly correlated systems arising from long-range and anisotropic interactions. We demonstrate the possibility of a spontaneous symmetry breaking biaxial phase in these systems, which may be realized in, e.g., gases of ultracold polar molecules or strongly magnetic atoms. This biaxial nematic phase is manifest in a spontaneous distortion of the Fermi surface perpendicular to the axis of polarization. We describe these dipolar interaction induced phases using Landau Fermi liquid theory.","authors_text":"Benjamin L. Lev, Benjamin M. Fregoso, Eduardo Fradkin, Kai Sun","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-02-04T15:43:49Z","title":"Biaxial nematic phases in ultracold dipolar Fermi gases"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.0739","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":"sha256:47086d835dff806deb6a0d5dc8904337b335d49e0340b20c56fad52435825c02","target":"record","created_at":"2026-05-18T02:14:49Z","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":"f9c5ba89568b88ff66a7ceb0e76f4b1518bef201964849b142273d89bbca426f","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-02-04T15:43:49Z","title_canon_sha256":"f41fe23a256c10d96195161987f5781764bf7b5c3f19ef92d1e50e75b5c6f2d9"},"schema_version":"1.0","source":{"id":"0902.0739","kind":"arxiv","version":2}},"canonical_sha256":"5adf5fa5859f4f902f082eb5b71fd63420d80cb2026eb8e75295f1964cd01f3e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5adf5fa5859f4f902f082eb5b71fd63420d80cb2026eb8e75295f1964cd01f3e","first_computed_at":"2026-05-18T02:14:49.294470Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:49.294470Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZucHue1tqmVx+Kjii8Dxfcs11mEN044CPQXlPN+CJyjdOyjHM5QyQwEvkFwd0OemuNixHLd+JSGdcriRJ6mjDg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:49.294884Z","signed_message":"canonical_sha256_bytes"},"source_id":"0902.0739","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:47086d835dff806deb6a0d5dc8904337b335d49e0340b20c56fad52435825c02","sha256:4f1b7ab5e31767fa3082e3ff60beade941c35ed260b711d18af8d7bc8dc987ed"],"state_sha256":"570173e8a6f01499ce5b1fcb13dfa62c941c6c90a733f790840ad74e3e33cc45"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tLlatKffOxTwi/kMPXczuCdMMld8EPF/UevpZRymyRNC0s9kTY2jpqo1eZkCfi50dwbK7+ots1A2sdV/Xj0UDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T02:28:31.639127Z","bundle_sha256":"6655bd8219010a73bc12dea76f6817fc59e021cd6d360976773e1cc200aaa557"}}