{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:QZEWX7DNQFK7JP6R3TBXXFYSTD","short_pith_number":"pith:QZEWX7DN","canonical_record":{"source":{"id":"1110.0743","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-04T16:25:30Z","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"title_canon_sha256":"5abac84639d19ca874d684821f05383de629a4aa966c9bcde6e983079202fa12","abstract_canon_sha256":"b05980d4b01f46d0b7b12ea719bbf8a219b4188b9f58f82610ecfa3d4406fb9e"},"schema_version":"1.0"},"canonical_sha256":"86496bfc6d8155f4bfd1dcc37b971298cc94a3b2da0a950d3705239113d721ef","source":{"kind":"arxiv","id":"1110.0743","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.0743","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1110.0743v2","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.0743","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"QZEWX7DNQFK7","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QZEWX7DNQFK7JP6R","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QZEWX7DN","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:QZEWX7DNQFK7JP6R3TBXXFYSTD","target":"record","payload":{"canonical_record":{"source":{"id":"1110.0743","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-04T16:25:30Z","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"title_canon_sha256":"5abac84639d19ca874d684821f05383de629a4aa966c9bcde6e983079202fa12","abstract_canon_sha256":"b05980d4b01f46d0b7b12ea719bbf8a219b4188b9f58f82610ecfa3d4406fb9e"},"schema_version":"1.0"},"canonical_sha256":"86496bfc6d8155f4bfd1dcc37b971298cc94a3b2da0a950d3705239113d721ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:00:26.558250Z","signature_b64":"jSsf+N/bss9rT4ZQ7gCSo82/C2MeGCJhb6NBUWjq93eKvpKAe9FYjTROK30oXTimEyRooVkSJ2DnV2BC3jFPAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86496bfc6d8155f4bfd1dcc37b971298cc94a3b2da0a950d3705239113d721ef","last_reissued_at":"2026-05-18T04:00:26.557835Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:00:26.557835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.0743","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":"2026-05-18T04:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yThMw0IcdLtReihEq4kG0Lrcanu/1GR10Ne3WuliTDGR4bv+2JoePVBM06cnTYCDe9/njSkpJvUYTMj9/1R1DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:30:58.053699Z"},"content_sha256":"474d6bdb9979460e9bf07d2fd67cdcd7e8949c23d0f99223f98cfcc637041796","schema_version":"1.0","event_id":"sha256:474d6bdb9979460e9bf07d2fd67cdcd7e8949c23d0f99223f98cfcc637041796"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:QZEWX7DNQFK7JP6R3TBXXFYSTD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detecting Quantum Critical Points using Bipartite Fluctuations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"H. Francis Song, Karyn Le Hur, Nicolas Laflorencie, Stephan Rachel","submitted_at":"2011-10-04T16:25:30Z","abstract_excerpt":"We show that the concept of bipartite fluctuations F provides a very efficient tool to detect quantum phase transitions in strongly correlated systems. Using state of the art numerical techniques complemented with analytical arguments, we investigate paradigmatic examples for both quantum spins and bosons. As compared to the von Neumann entanglement entropy, we observe that F allows to find quantum critical points with a much better accuracy in one dimension. We further demonstrate that F can be successfully applied to the detection of quantum criticality in higher dimensions with no prior kno"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.0743","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":"2026-05-18T04:00:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Q4fl7n/cLO/JLuF8I4TTsvKEqdkckeM7DKtZi6ZqJeutrXMS89x9QxGDo75nO8YnwF8R/aNgZvEgmshKkZ/Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T18:30:58.054172Z"},"content_sha256":"fd9cf21960f37c3f5f22b9c310d464076abc8bb115ad9663c0812eb216a55cc2","schema_version":"1.0","event_id":"sha256:fd9cf21960f37c3f5f22b9c310d464076abc8bb115ad9663c0812eb216a55cc2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QZEWX7DNQFK7JP6R3TBXXFYSTD/bundle.json","state_url":"https://pith.science/pith/QZEWX7DNQFK7JP6R3TBXXFYSTD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QZEWX7DNQFK7JP6R3TBXXFYSTD/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":"2026-05-30T18:30:58Z","links":{"resolver":"https://pith.science/pith/QZEWX7DNQFK7JP6R3TBXXFYSTD","bundle":"https://pith.science/pith/QZEWX7DNQFK7JP6R3TBXXFYSTD/bundle.json","state":"https://pith.science/pith/QZEWX7DNQFK7JP6R3TBXXFYSTD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QZEWX7DNQFK7JP6R3TBXXFYSTD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QZEWX7DNQFK7JP6R3TBXXFYSTD","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":"b05980d4b01f46d0b7b12ea719bbf8a219b4188b9f58f82610ecfa3d4406fb9e","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-04T16:25:30Z","title_canon_sha256":"5abac84639d19ca874d684821f05383de629a4aa966c9bcde6e983079202fa12"},"schema_version":"1.0","source":{"id":"1110.0743","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.0743","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"arxiv_version","alias_value":"1110.0743v2","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.0743","created_at":"2026-05-18T04:00:26Z"},{"alias_kind":"pith_short_12","alias_value":"QZEWX7DNQFK7","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QZEWX7DNQFK7JP6R","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QZEWX7DN","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:fd9cf21960f37c3f5f22b9c310d464076abc8bb115ad9663c0812eb216a55cc2","target":"graph","created_at":"2026-05-18T04:00:26Z","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 show that the concept of bipartite fluctuations F provides a very efficient tool to detect quantum phase transitions in strongly correlated systems. Using state of the art numerical techniques complemented with analytical arguments, we investigate paradigmatic examples for both quantum spins and bosons. As compared to the von Neumann entanglement entropy, we observe that F allows to find quantum critical points with a much better accuracy in one dimension. We further demonstrate that F can be successfully applied to the detection of quantum criticality in higher dimensions with no prior kno","authors_text":"H. Francis Song, Karyn Le Hur, Nicolas Laflorencie, Stephan Rachel","cross_cats":["cond-mat.quant-gas","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-04T16:25:30Z","title":"Detecting Quantum Critical Points using Bipartite Fluctuations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.0743","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":"sha256:474d6bdb9979460e9bf07d2fd67cdcd7e8949c23d0f99223f98cfcc637041796","target":"record","created_at":"2026-05-18T04:00:26Z","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":"b05980d4b01f46d0b7b12ea719bbf8a219b4188b9f58f82610ecfa3d4406fb9e","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2011-10-04T16:25:30Z","title_canon_sha256":"5abac84639d19ca874d684821f05383de629a4aa966c9bcde6e983079202fa12"},"schema_version":"1.0","source":{"id":"1110.0743","kind":"arxiv","version":2}},"canonical_sha256":"86496bfc6d8155f4bfd1dcc37b971298cc94a3b2da0a950d3705239113d721ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86496bfc6d8155f4bfd1dcc37b971298cc94a3b2da0a950d3705239113d721ef","first_computed_at":"2026-05-18T04:00:26.557835Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:00:26.557835Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jSsf+N/bss9rT4ZQ7gCSo82/C2MeGCJhb6NBUWjq93eKvpKAe9FYjTROK30oXTimEyRooVkSJ2DnV2BC3jFPAw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:00:26.558250Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.0743","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:474d6bdb9979460e9bf07d2fd67cdcd7e8949c23d0f99223f98cfcc637041796","sha256:fd9cf21960f37c3f5f22b9c310d464076abc8bb115ad9663c0812eb216a55cc2"],"state_sha256":"ed91f462aa40c19e8573ed7a57b5ec4000c6553f81b09a71cdc6bccdad641163"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qWx5cTF4Uv77FXXCgZg9u8Wm65F8biXusHk1WDQF4AWdOc/tAO3HD/g/KdkPY8Tw+iRIf+v3hxQ+Qr3iAsM9Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T18:30:58.057471Z","bundle_sha256":"5df561a0fd103d3af43b55d5c9f8a0a1120d337fc9f9753ee72f3c1775e566d3"}}