{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:EGFUNSM5MPITXIQD6OLEBIPIBV","short_pith_number":"pith:EGFUNSM5","canonical_record":{"source":{"id":"1201.5874","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-01-27T19:46:25Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2a8d7588790d51d89bec8cd4ae24fd8860b6f7cb116dfe138b3be61277923190","abstract_canon_sha256":"76d84bde4cb6b94e85ddaa572b4f80c0fcf5642deab68b110aab57b2336c3faf"},"schema_version":"1.0"},"canonical_sha256":"218b46c99d63d13ba203f39640a1e80d43732398978059ec2c08677bab24a672","source":{"kind":"arxiv","id":"1201.5874","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5874","created_at":"2026-05-18T03:07:11Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5874v2","created_at":"2026-05-18T03:07:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5874","created_at":"2026-05-18T03:07:11Z"},{"alias_kind":"pith_short_12","alias_value":"EGFUNSM5MPIT","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EGFUNSM5MPITXIQD","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EGFUNSM5","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:EGFUNSM5MPITXIQD6OLEBIPIBV","target":"record","payload":{"canonical_record":{"source":{"id":"1201.5874","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-01-27T19:46:25Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2a8d7588790d51d89bec8cd4ae24fd8860b6f7cb116dfe138b3be61277923190","abstract_canon_sha256":"76d84bde4cb6b94e85ddaa572b4f80c0fcf5642deab68b110aab57b2336c3faf"},"schema_version":"1.0"},"canonical_sha256":"218b46c99d63d13ba203f39640a1e80d43732398978059ec2c08677bab24a672","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:07:11.165110Z","signature_b64":"GdbMJPV4wrq4Y56VDQK6FRFr3t2eXpqBPV8bZGkdVOz6cmwQkXuSFKtNXacOMqKn5uNxPpLrabyEU1jXUUe0Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"218b46c99d63d13ba203f39640a1e80d43732398978059ec2c08677bab24a672","last_reissued_at":"2026-05-18T03:07:11.164548Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:07:11.164548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.5874","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":"2026-05-18T03:07:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rWt98bFmc7uoDGw/DzrvTn5TJtSOQQpvNIWFWssgGDGjZ5i/yENzfIbo9e+h7n49QqT1vuMeW2TR6FqX7oT4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T16:17:31.836226Z"},"content_sha256":"0567f9778fcd7519bc9b916369ae298010b9fcdf65b9df68f9333efb04f112fa","schema_version":"1.0","event_id":"sha256:0567f9778fcd7519bc9b916369ae298010b9fcdf65b9df68f9333efb04f112fa"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:EGFUNSM5MPITXIQD6OLEBIPIBV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quarter-filled Kitaev-Hubbard Model: A Quantum Hall State in an Optical Lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"David S\\'en\\'echal, R. Shankar, Sandeep K Goyal, S. R. Hassan","submitted_at":"2012-01-27T19:46:25Z","abstract_excerpt":"We analyze the Physics of cold atoms in honeycomb optical lattices with on-site repulsion and spin-orbit couplings that break time reversal symmetry. Such systems, at half filling and large on-site repulsion, have been proposed as a possible realization of the Kitaev model. The spin-orbit couplings break the spin degeneracy and, if strong-enough, lead to four non-overlapping bands in the non-interacting limit. These bands carry non-zero Chern number and therefore the non-interacting system has non-zero angular momentum and chiral edge states at 1/4 and 3/4 filling. We have investigated the eff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5874","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":"2026-05-18T03:07:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kWw/Ah27jztc/MVNdsrOpsc2KQoHhCadW7AyqvgCNml8C+Wc5fMGW/zTTj9a98n545Rfap+llx5mX4ut7miXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T16:17:31.836910Z"},"content_sha256":"75303c6b70dd3e8a1703ceaa7d8be56c558eb1452e9f3b2154449e2a45850d6f","schema_version":"1.0","event_id":"sha256:75303c6b70dd3e8a1703ceaa7d8be56c558eb1452e9f3b2154449e2a45850d6f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EGFUNSM5MPITXIQD6OLEBIPIBV/bundle.json","state_url":"https://pith.science/pith/EGFUNSM5MPITXIQD6OLEBIPIBV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EGFUNSM5MPITXIQD6OLEBIPIBV/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":"2026-05-23T16:17:31Z","links":{"resolver":"https://pith.science/pith/EGFUNSM5MPITXIQD6OLEBIPIBV","bundle":"https://pith.science/pith/EGFUNSM5MPITXIQD6OLEBIPIBV/bundle.json","state":"https://pith.science/pith/EGFUNSM5MPITXIQD6OLEBIPIBV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EGFUNSM5MPITXIQD6OLEBIPIBV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:EGFUNSM5MPITXIQD6OLEBIPIBV","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":"76d84bde4cb6b94e85ddaa572b4f80c0fcf5642deab68b110aab57b2336c3faf","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-01-27T19:46:25Z","title_canon_sha256":"2a8d7588790d51d89bec8cd4ae24fd8860b6f7cb116dfe138b3be61277923190"},"schema_version":"1.0","source":{"id":"1201.5874","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.5874","created_at":"2026-05-18T03:07:11Z"},{"alias_kind":"arxiv_version","alias_value":"1201.5874v2","created_at":"2026-05-18T03:07:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.5874","created_at":"2026-05-18T03:07:11Z"},{"alias_kind":"pith_short_12","alias_value":"EGFUNSM5MPIT","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EGFUNSM5MPITXIQD","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EGFUNSM5","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:75303c6b70dd3e8a1703ceaa7d8be56c558eb1452e9f3b2154449e2a45850d6f","target":"graph","created_at":"2026-05-18T03:07:11Z","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":"We analyze the Physics of cold atoms in honeycomb optical lattices with on-site repulsion and spin-orbit couplings that break time reversal symmetry. Such systems, at half filling and large on-site repulsion, have been proposed as a possible realization of the Kitaev model. The spin-orbit couplings break the spin degeneracy and, if strong-enough, lead to four non-overlapping bands in the non-interacting limit. These bands carry non-zero Chern number and therefore the non-interacting system has non-zero angular momentum and chiral edge states at 1/4 and 3/4 filling. We have investigated the eff","authors_text":"David S\\'en\\'echal, R. Shankar, Sandeep K Goyal, S. R. Hassan","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-01-27T19:46:25Z","title":"Quarter-filled Kitaev-Hubbard Model: A Quantum Hall State in an Optical Lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.5874","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":"sha256:0567f9778fcd7519bc9b916369ae298010b9fcdf65b9df68f9333efb04f112fa","target":"record","created_at":"2026-05-18T03:07:11Z","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":"76d84bde4cb6b94e85ddaa572b4f80c0fcf5642deab68b110aab57b2336c3faf","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2012-01-27T19:46:25Z","title_canon_sha256":"2a8d7588790d51d89bec8cd4ae24fd8860b6f7cb116dfe138b3be61277923190"},"schema_version":"1.0","source":{"id":"1201.5874","kind":"arxiv","version":2}},"canonical_sha256":"218b46c99d63d13ba203f39640a1e80d43732398978059ec2c08677bab24a672","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"218b46c99d63d13ba203f39640a1e80d43732398978059ec2c08677bab24a672","first_computed_at":"2026-05-18T03:07:11.164548Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:07:11.164548Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GdbMJPV4wrq4Y56VDQK6FRFr3t2eXpqBPV8bZGkdVOz6cmwQkXuSFKtNXacOMqKn5uNxPpLrabyEU1jXUUe0Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:07:11.165110Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.5874","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0567f9778fcd7519bc9b916369ae298010b9fcdf65b9df68f9333efb04f112fa","sha256:75303c6b70dd3e8a1703ceaa7d8be56c558eb1452e9f3b2154449e2a45850d6f"],"state_sha256":"3e4c34352bfe3610cdb850f3f6756ec4c7d358e355e2eda8531acabef9a8f253"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eDFUeitFqABl0vWIp9VOoPi736zDe2anEiTsoNz9Jt95BOe8jq4Vq77G0esl9Weirt/aI/t5teWlKrBurSzUBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T16:17:31.840275Z","bundle_sha256":"cd3b201d5cb4672c9ca4f05947345f6e3063d0fbe66f5582a303952ae3177bcb"}}