{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IQQSKD22UWK4USRXXHB6PHFTKJ","short_pith_number":"pith:IQQSKD22","canonical_record":{"source":{"id":"1405.5435","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-05-21T14:33:17Z","cross_cats_sorted":[],"title_canon_sha256":"fbb0ada8d12c554a9cf0b9c47234c561e296e6392e75e684349992fa7246f9ea","abstract_canon_sha256":"761bb5115b1e24a1c64fc9f65f34c51308cdc24d07516e459f9d731000d30f6e"},"schema_version":"1.0"},"canonical_sha256":"4421250f5aa595ca4a37b9c3e79cb35273f29d4d14885ba1081199dfd5159651","source":{"kind":"arxiv","id":"1405.5435","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.5435","created_at":"2026-05-18T01:43:09Z"},{"alias_kind":"arxiv_version","alias_value":"1405.5435v2","created_at":"2026-05-18T01:43:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.5435","created_at":"2026-05-18T01:43:09Z"},{"alias_kind":"pith_short_12","alias_value":"IQQSKD22UWK4","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IQQSKD22UWK4USRX","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IQQSKD22","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IQQSKD22UWK4USRXXHB6PHFTKJ","target":"record","payload":{"canonical_record":{"source":{"id":"1405.5435","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-05-21T14:33:17Z","cross_cats_sorted":[],"title_canon_sha256":"fbb0ada8d12c554a9cf0b9c47234c561e296e6392e75e684349992fa7246f9ea","abstract_canon_sha256":"761bb5115b1e24a1c64fc9f65f34c51308cdc24d07516e459f9d731000d30f6e"},"schema_version":"1.0"},"canonical_sha256":"4421250f5aa595ca4a37b9c3e79cb35273f29d4d14885ba1081199dfd5159651","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:09.702375Z","signature_b64":"gjLbctUliH44zunnM5hXfeXg76odACgrFfmIEgYt2DSpLrkCjaTEh7XWitJmFG3RxxmhqgNzmmT109Aj6dsKCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4421250f5aa595ca4a37b9c3e79cb35273f29d4d14885ba1081199dfd5159651","last_reissued_at":"2026-05-18T01:43:09.701609Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:09.701609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.5435","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":"2026-05-18T01:43:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6QYN5eDpojyCkIW9wu95Y/ejOileaLpmQy1kmib0UTAnPP6o8p1cQ9H0M8D/J1hGmJRwAUV6BJBv0oSA4/75Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T21:49:03.601156Z"},"content_sha256":"80bd20a166c72b8140b4eb60804c37a6091918c08ddd31e31500530e90df3be7","schema_version":"1.0","event_id":"sha256:80bd20a166c72b8140b4eb60804c37a6091918c08ddd31e31500530e90df3be7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IQQSKD22UWK4USRXXHB6PHFTKJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Excitation Spectra and Hard-core Thermodynamics of Bosonic Atoms In Double Well Optical Lattices","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.str-el","authors_text":"Bao Xu, Han-Ting Wang, Hong-ye Wu, Wu-Ming Liu, Yi-Cai Zhang","submitted_at":"2014-05-21T14:33:17Z","abstract_excerpt":"A general coupled representation is proposed for bosonic atoms in double well optical lattices. Based on such a representation, we investigate the excitation spectra and thermodynamics of bosonic atoms in the optical lattices. We find excitation spectra of the double well system with filling factor equal to one can be described by simultaneous excitations composed of pseudo particles corresponding to doubly occupied and empty double wells. It is demonstrated that hard-core bosonic statistics must be taken into account in order to properly describe the equilibrium properties at finite temperatu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.5435","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":"2026-05-18T01:43:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uZMES6shoUO4V58ZdLEows1kjKJz8QukwipGiV0XR67gArcfV4VSk/BgZ/DCL988SnBr64ME5vWCRh6eSs8aAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T21:49:03.601509Z"},"content_sha256":"3bbd31635f123dd8ed620085c23d1c3be4f8907d20d885768cdaf912ceed9556","schema_version":"1.0","event_id":"sha256:3bbd31635f123dd8ed620085c23d1c3be4f8907d20d885768cdaf912ceed9556"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IQQSKD22UWK4USRXXHB6PHFTKJ/bundle.json","state_url":"https://pith.science/pith/IQQSKD22UWK4USRXXHB6PHFTKJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IQQSKD22UWK4USRXXHB6PHFTKJ/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":"2026-06-27T21:49:03Z","links":{"resolver":"https://pith.science/pith/IQQSKD22UWK4USRXXHB6PHFTKJ","bundle":"https://pith.science/pith/IQQSKD22UWK4USRXXHB6PHFTKJ/bundle.json","state":"https://pith.science/pith/IQQSKD22UWK4USRXXHB6PHFTKJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IQQSKD22UWK4USRXXHB6PHFTKJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IQQSKD22UWK4USRXXHB6PHFTKJ","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":"761bb5115b1e24a1c64fc9f65f34c51308cdc24d07516e459f9d731000d30f6e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-05-21T14:33:17Z","title_canon_sha256":"fbb0ada8d12c554a9cf0b9c47234c561e296e6392e75e684349992fa7246f9ea"},"schema_version":"1.0","source":{"id":"1405.5435","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.5435","created_at":"2026-05-18T01:43:09Z"},{"alias_kind":"arxiv_version","alias_value":"1405.5435v2","created_at":"2026-05-18T01:43:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.5435","created_at":"2026-05-18T01:43:09Z"},{"alias_kind":"pith_short_12","alias_value":"IQQSKD22UWK4","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IQQSKD22UWK4USRX","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IQQSKD22","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:3bbd31635f123dd8ed620085c23d1c3be4f8907d20d885768cdaf912ceed9556","target":"graph","created_at":"2026-05-18T01:43:09Z","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":"A general coupled representation is proposed for bosonic atoms in double well optical lattices. Based on such a representation, we investigate the excitation spectra and thermodynamics of bosonic atoms in the optical lattices. We find excitation spectra of the double well system with filling factor equal to one can be described by simultaneous excitations composed of pseudo particles corresponding to doubly occupied and empty double wells. It is demonstrated that hard-core bosonic statistics must be taken into account in order to properly describe the equilibrium properties at finite temperatu","authors_text":"Bao Xu, Han-Ting Wang, Hong-ye Wu, Wu-Ming Liu, Yi-Cai Zhang","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-05-21T14:33:17Z","title":"Excitation Spectra and Hard-core Thermodynamics of Bosonic Atoms In Double Well Optical Lattices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.5435","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":"sha256:80bd20a166c72b8140b4eb60804c37a6091918c08ddd31e31500530e90df3be7","target":"record","created_at":"2026-05-18T01:43:09Z","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":"761bb5115b1e24a1c64fc9f65f34c51308cdc24d07516e459f9d731000d30f6e","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.str-el","submitted_at":"2014-05-21T14:33:17Z","title_canon_sha256":"fbb0ada8d12c554a9cf0b9c47234c561e296e6392e75e684349992fa7246f9ea"},"schema_version":"1.0","source":{"id":"1405.5435","kind":"arxiv","version":2}},"canonical_sha256":"4421250f5aa595ca4a37b9c3e79cb35273f29d4d14885ba1081199dfd5159651","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4421250f5aa595ca4a37b9c3e79cb35273f29d4d14885ba1081199dfd5159651","first_computed_at":"2026-05-18T01:43:09.701609Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:09.701609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gjLbctUliH44zunnM5hXfeXg76odACgrFfmIEgYt2DSpLrkCjaTEh7XWitJmFG3RxxmhqgNzmmT109Aj6dsKCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:09.702375Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.5435","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:80bd20a166c72b8140b4eb60804c37a6091918c08ddd31e31500530e90df3be7","sha256:3bbd31635f123dd8ed620085c23d1c3be4f8907d20d885768cdaf912ceed9556"],"state_sha256":"d2f53dbcc86f03144380bc7f16a2a7a0a721a6b90fe9658f9922b4c21c2df7f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a6qEaqI6wJsdw8pVYOLKFGc+Pb41VpEZ33/3VR5Nzv0INF9ldlG8sFyUSypoJ1IfnZUSstoUw+7suPDDedrcDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T21:49:03.603337Z","bundle_sha256":"5be16a714f6b33322c51954742827f4a622e8b4b7caf753a21e39d2647378c89"}}