{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:GE3Q3BIZX6FQ3G7GGJJ655YWXR","short_pith_number":"pith:GE3Q3BIZ","canonical_record":{"source":{"id":"2312.14155","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-12-21T18:59:46Z","cross_cats_sorted":["hep-lat","quant-ph"],"title_canon_sha256":"43de46d8c25771c2fdc96f357ccd7c77c9439a7c0d063e9d140020cbc78fde11","abstract_canon_sha256":"cce408fe3dcf9f535b91a59b1c1a218bfdc9c7857d884896bce972a7a010c047"},"schema_version":"1.0"},"canonical_sha256":"31370d8519bf8b0d9be63253eef716bc5207dd7cd79400e175c2812008a8bc1f","source":{"kind":"arxiv","id":"2312.14155","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.14155","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"arxiv_version","alias_value":"2312.14155v4","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.14155","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"pith_short_12","alias_value":"GE3Q3BIZX6FQ","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"pith_short_16","alias_value":"GE3Q3BIZX6FQ3G7G","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"pith_short_8","alias_value":"GE3Q3BIZ","created_at":"2026-07-05T10:35:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:GE3Q3BIZX6FQ3G7GGJJ655YWXR","target":"record","payload":{"canonical_record":{"source":{"id":"2312.14155","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-12-21T18:59:46Z","cross_cats_sorted":["hep-lat","quant-ph"],"title_canon_sha256":"43de46d8c25771c2fdc96f357ccd7c77c9439a7c0d063e9d140020cbc78fde11","abstract_canon_sha256":"cce408fe3dcf9f535b91a59b1c1a218bfdc9c7857d884896bce972a7a010c047"},"schema_version":"1.0"},"canonical_sha256":"31370d8519bf8b0d9be63253eef716bc5207dd7cd79400e175c2812008a8bc1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:35:30.713389Z","signature_b64":"mpoUdFcJ5jkUfUFIYYrpsuMUNmajlrC80cok2a26I4X4161ShnsXTjxWKcwT+PqMw2VEOQ/trGzHz2hsva5KAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"31370d8519bf8b0d9be63253eef716bc5207dd7cd79400e175c2812008a8bc1f","last_reissued_at":"2026-07-05T10:35:30.712729Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:35:30.712729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2312.14155","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:35:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bhUgrvFqWkoUT1EWMTW4BCrgOIPhUDWOf9VhWoxMY0U+yCI/eBqBbH90IaneVM1vgVXyPhLACgZpmKonC5fKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T07:58:12.182860Z"},"content_sha256":"f7abf579a0f60c1f786ca32eb59eed3a7e3712825271cb2e4188ce8d769c6c97","schema_version":"1.0","event_id":"sha256:f7abf579a0f60c1f786ca32eb59eed3a7e3712825271cb2e4188ce8d769c6c97"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:GE3Q3BIZX6FQ3G7GGJJ655YWXR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Entanglement R\\'{e}nyi Negativity of Interacting Fermions from Quantum Monte Carlo Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-lat","quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Fo-Hong Wang, Xiao Yan Xu","submitted_at":"2023-12-21T18:59:46Z","abstract_excerpt":"Many-body entanglement unveils additional aspects of quantum matter and offers insights into strongly correlated physics. While ground-state entanglement has received much attention in the past decade, the study of mixed-state quantum entanglement using negativity in interacting fermionic systems remains largely unexplored. We demonstrate that the partially transposed density matrix of interacting fermions, similar to their reduced density matrix, can be expressed as a weighted sum of Gaussian states describing free fermions, enabling the calculation of rank-$n$ R\\'{e}nyi negativity within the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.14155","kind":"arxiv","version":4},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2312.14155/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:35:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dda8ed3jN5ePF7z+wyI48UzZwKCJ79N8NQyvjrZrIGEjD22xfvUUOOdIrNWpKNkaZdHui7xebT7UsEQ4QKtMAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-22T07:58:12.183355Z"},"content_sha256":"0ebd7a9019f1dd6fb1ba8d29bff967d5dbf5fa78f9c4394c9a4b5f88fdc50d0f","schema_version":"1.0","event_id":"sha256:0ebd7a9019f1dd6fb1ba8d29bff967d5dbf5fa78f9c4394c9a4b5f88fdc50d0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GE3Q3BIZX6FQ3G7GGJJ655YWXR/bundle.json","state_url":"https://pith.science/pith/GE3Q3BIZX6FQ3G7GGJJ655YWXR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GE3Q3BIZX6FQ3G7GGJJ655YWXR/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":"2026-08-22T07:58:12Z","links":{"resolver":"https://pith.science/pith/GE3Q3BIZX6FQ3G7GGJJ655YWXR","bundle":"https://pith.science/pith/GE3Q3BIZX6FQ3G7GGJJ655YWXR/bundle.json","state":"https://pith.science/pith/GE3Q3BIZX6FQ3G7GGJJ655YWXR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GE3Q3BIZX6FQ3G7GGJJ655YWXR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:GE3Q3BIZX6FQ3G7GGJJ655YWXR","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":"cce408fe3dcf9f535b91a59b1c1a218bfdc9c7857d884896bce972a7a010c047","cross_cats_sorted":["hep-lat","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-12-21T18:59:46Z","title_canon_sha256":"43de46d8c25771c2fdc96f357ccd7c77c9439a7c0d063e9d140020cbc78fde11"},"schema_version":"1.0","source":{"id":"2312.14155","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2312.14155","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"arxiv_version","alias_value":"2312.14155v4","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2312.14155","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"pith_short_12","alias_value":"GE3Q3BIZX6FQ","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"pith_short_16","alias_value":"GE3Q3BIZX6FQ3G7G","created_at":"2026-07-05T10:35:30Z"},{"alias_kind":"pith_short_8","alias_value":"GE3Q3BIZ","created_at":"2026-07-05T10:35:30Z"}],"graph_snapshots":[{"event_id":"sha256:0ebd7a9019f1dd6fb1ba8d29bff967d5dbf5fa78f9c4394c9a4b5f88fdc50d0f","target":"graph","created_at":"2026-07-05T10:35:30Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2312.14155/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Many-body entanglement unveils additional aspects of quantum matter and offers insights into strongly correlated physics. While ground-state entanglement has received much attention in the past decade, the study of mixed-state quantum entanglement using negativity in interacting fermionic systems remains largely unexplored. We demonstrate that the partially transposed density matrix of interacting fermions, similar to their reduced density matrix, can be expressed as a weighted sum of Gaussian states describing free fermions, enabling the calculation of rank-$n$ R\\'{e}nyi negativity within the","authors_text":"Fo-Hong Wang, Xiao Yan Xu","cross_cats":["hep-lat","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-12-21T18:59:46Z","title":"Entanglement R\\'{e}nyi Negativity of Interacting Fermions from Quantum Monte Carlo Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2312.14155","kind":"arxiv","version":4},"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:f7abf579a0f60c1f786ca32eb59eed3a7e3712825271cb2e4188ce8d769c6c97","target":"record","created_at":"2026-07-05T10:35:30Z","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":"cce408fe3dcf9f535b91a59b1c1a218bfdc9c7857d884896bce972a7a010c047","cross_cats_sorted":["hep-lat","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-12-21T18:59:46Z","title_canon_sha256":"43de46d8c25771c2fdc96f357ccd7c77c9439a7c0d063e9d140020cbc78fde11"},"schema_version":"1.0","source":{"id":"2312.14155","kind":"arxiv","version":4}},"canonical_sha256":"31370d8519bf8b0d9be63253eef716bc5207dd7cd79400e175c2812008a8bc1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31370d8519bf8b0d9be63253eef716bc5207dd7cd79400e175c2812008a8bc1f","first_computed_at":"2026-07-05T10:35:30.712729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:35:30.712729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mpoUdFcJ5jkUfUFIYYrpsuMUNmajlrC80cok2a26I4X4161ShnsXTjxWKcwT+PqMw2VEOQ/trGzHz2hsva5KAg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:35:30.713389Z","signed_message":"canonical_sha256_bytes"},"source_id":"2312.14155","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f7abf579a0f60c1f786ca32eb59eed3a7e3712825271cb2e4188ce8d769c6c97","sha256:0ebd7a9019f1dd6fb1ba8d29bff967d5dbf5fa78f9c4394c9a4b5f88fdc50d0f"],"state_sha256":"eec410d95966cb756685ef3ae03a84f86568756fd1bd40e55478f764b478d552"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"edYRvBWTLz4mvRx6eexnBVysrMEeIO4XEAew6rUgdawN28U+H6Y8F7aEcqWEfJmApplilZWrGxtKYz8QfhPFDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-22T07:58:12.188161Z","bundle_sha256":"9442f50569bdb57b00042cd0e13621d6d9d17759b42f7e5a4c01985ca00410fa"}}