{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:DAJLGSAOQBUPZ4FF3A3EIET5VC","short_pith_number":"pith:DAJLGSAO","canonical_record":{"source":{"id":"1306.4687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-19T20:06:05Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"d070397861144005b5eef5ce9e25bc353b1129990d85c0358676f76878574055","abstract_canon_sha256":"cf49e1d4bb046f0cc7c5c5ae280e698aaeb88b2a785a27396454a974caebc6a8"},"schema_version":"1.0"},"canonical_sha256":"1812b3480e8068fcf0a5d83644127da8ac159fff87e9d8b70718fedd35cc32e1","source":{"kind":"arxiv","id":"1306.4687","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.4687","created_at":"2026-05-18T03:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"1306.4687v1","created_at":"2026-05-18T03:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.4687","created_at":"2026-05-18T03:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"DAJLGSAOQBUP","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"DAJLGSAOQBUPZ4FF","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"DAJLGSAO","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:DAJLGSAOQBUPZ4FF3A3EIET5VC","target":"record","payload":{"canonical_record":{"source":{"id":"1306.4687","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-19T20:06:05Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"d070397861144005b5eef5ce9e25bc353b1129990d85c0358676f76878574055","abstract_canon_sha256":"cf49e1d4bb046f0cc7c5c5ae280e698aaeb88b2a785a27396454a974caebc6a8"},"schema_version":"1.0"},"canonical_sha256":"1812b3480e8068fcf0a5d83644127da8ac159fff87e9d8b70718fedd35cc32e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:54.877372Z","signature_b64":"7RJukbPKKsicj6+00MFMbMjsWCBF1fKDnQAD3o8s5fAO67aK91bY4RVLzUALKpjF0cB1L+K4KkZV0WHiSu+FAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1812b3480e8068fcf0a5d83644127da8ac159fff87e9d8b70718fedd35cc32e1","last_reissued_at":"2026-05-18T03:06:54.876623Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:54.876623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.4687","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HhS3GOMbOLTU0eKlnDGfVD2eDrtnEvCYQ+l2e9hQYloqjk+dTlH5GbLGOAKwbczWANBGjk/U4MhBicFsit3FCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:00:15.843220Z"},"content_sha256":"59253859699cc1fdfc02dc44cf68cd2f903e44730616922da1561291b9c26d5b","schema_version":"1.0","event_id":"sha256:59253859699cc1fdfc02dc44cf68cd2f903e44730616922da1561291b9c26d5b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:DAJLGSAOQBUPZ4FF3A3EIET5VC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discriminating antiferromagnetic signatures in ultracold fermions by tunable geometric frustration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.quant-gas","authors_text":"Chia-Chen Chang, Elena V. Gorelik, Nils Bl\\\"umer, Richard T. Scalettar","submitted_at":"2013-06-19T20:06:05Z","abstract_excerpt":"Recently, it has become possible to tune optical lattices continuously between square and triangular geometries. We compute thermodynamics and spin correlations in the corresponding Hubbard model using determinant quantum Monte Carlo and show that the frustration effects induced by the variable hopping terms can be clearly separated from concomitant bandwidth changes by a proper rescaling of the interaction. An enhancement of the double occupancy by geometric frustration signals the destruction of nontrivial antiferromagnetic correlations at weak coupling and entropy $s\\lesssim \\ln(2)$ (and re"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.4687","kind":"arxiv","version":1},"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":"2026-05-18T03:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FNQAOG9hG6TPAd3Q+1aI6vFFegAW2TveqfvmRcyDyIUz9ehdzUAuxR94JJnc6VeEXoDhNDh9eOxhzrTIW2JHCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T19:00:15.843576Z"},"content_sha256":"522ba828c76ff687979e17ecfd39a33cb0dbc969fc63299ee98748d30e13276f","schema_version":"1.0","event_id":"sha256:522ba828c76ff687979e17ecfd39a33cb0dbc969fc63299ee98748d30e13276f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DAJLGSAOQBUPZ4FF3A3EIET5VC/bundle.json","state_url":"https://pith.science/pith/DAJLGSAOQBUPZ4FF3A3EIET5VC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DAJLGSAOQBUPZ4FF3A3EIET5VC/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":"2026-06-04T19:00:15Z","links":{"resolver":"https://pith.science/pith/DAJLGSAOQBUPZ4FF3A3EIET5VC","bundle":"https://pith.science/pith/DAJLGSAOQBUPZ4FF3A3EIET5VC/bundle.json","state":"https://pith.science/pith/DAJLGSAOQBUPZ4FF3A3EIET5VC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DAJLGSAOQBUPZ4FF3A3EIET5VC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:DAJLGSAOQBUPZ4FF3A3EIET5VC","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":"cf49e1d4bb046f0cc7c5c5ae280e698aaeb88b2a785a27396454a974caebc6a8","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-19T20:06:05Z","title_canon_sha256":"d070397861144005b5eef5ce9e25bc353b1129990d85c0358676f76878574055"},"schema_version":"1.0","source":{"id":"1306.4687","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.4687","created_at":"2026-05-18T03:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"1306.4687v1","created_at":"2026-05-18T03:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.4687","created_at":"2026-05-18T03:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"DAJLGSAOQBUP","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"DAJLGSAOQBUPZ4FF","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"DAJLGSAO","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:522ba828c76ff687979e17ecfd39a33cb0dbc969fc63299ee98748d30e13276f","target":"graph","created_at":"2026-05-18T03:06:54Z","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":"Recently, it has become possible to tune optical lattices continuously between square and triangular geometries. We compute thermodynamics and spin correlations in the corresponding Hubbard model using determinant quantum Monte Carlo and show that the frustration effects induced by the variable hopping terms can be clearly separated from concomitant bandwidth changes by a proper rescaling of the interaction. An enhancement of the double occupancy by geometric frustration signals the destruction of nontrivial antiferromagnetic correlations at weak coupling and entropy $s\\lesssim \\ln(2)$ (and re","authors_text":"Chia-Chen Chang, Elena V. Gorelik, Nils Bl\\\"umer, Richard T. Scalettar","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-19T20:06:05Z","title":"Discriminating antiferromagnetic signatures in ultracold fermions by tunable geometric frustration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.4687","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":"sha256:59253859699cc1fdfc02dc44cf68cd2f903e44730616922da1561291b9c26d5b","target":"record","created_at":"2026-05-18T03:06:54Z","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":"cf49e1d4bb046f0cc7c5c5ae280e698aaeb88b2a785a27396454a974caebc6a8","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-06-19T20:06:05Z","title_canon_sha256":"d070397861144005b5eef5ce9e25bc353b1129990d85c0358676f76878574055"},"schema_version":"1.0","source":{"id":"1306.4687","kind":"arxiv","version":1}},"canonical_sha256":"1812b3480e8068fcf0a5d83644127da8ac159fff87e9d8b70718fedd35cc32e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1812b3480e8068fcf0a5d83644127da8ac159fff87e9d8b70718fedd35cc32e1","first_computed_at":"2026-05-18T03:06:54.876623Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:06:54.876623Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7RJukbPKKsicj6+00MFMbMjsWCBF1fKDnQAD3o8s5fAO67aK91bY4RVLzUALKpjF0cB1L+K4KkZV0WHiSu+FAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:06:54.877372Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.4687","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59253859699cc1fdfc02dc44cf68cd2f903e44730616922da1561291b9c26d5b","sha256:522ba828c76ff687979e17ecfd39a33cb0dbc969fc63299ee98748d30e13276f"],"state_sha256":"ca80e9158ec76bbdee562d05ea8e6d1f130c8b84e3bbae847e713cfcab4c056d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xbm1KKVWOUL0HW/yoFZxLq2rsuutL8D7pZYXc3FuxsmgZl5xQxyeVZ0tMZtGHOyYej+QFJJ4Mmv31cLgr2/qBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T19:00:15.845408Z","bundle_sha256":"17160de88aa873530c97355e4e8a47f29e93c1fefcd8576d5bcd48777bcb31da"}}