{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2023:LII4HSWZAPHDVP6CII3SYXISWT","short_pith_number":"pith:LII4HSWZ","schema_version":"1.0","canonical_sha256":"5a11c3cad903ce3abfc242372c5d12b4c5c94007f4b09bc67b21aad7589eff39","source":{"kind":"arxiv","id":"2310.05870","version":3},"attestation_state":"computed","paper":{"title":"Detecting Multipartite Entanglement Patterns using Single Particle Green's Functions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"quant-ph","authors_text":"Andreas Weichselbaum, Rajesh K. Malla, Robert M. Konik, Tzu-Chieh Wei","submitted_at":"2023-10-09T17:06:29Z","abstract_excerpt":"We present a protocol for detecting multipartite entanglement in itinerant many-body electronic systems using single particle Green's functions. To achieve this, we first establish a connection between the quantum Fisher information (QFI) and single particle Green's functions by constructing a set of witness operators built out of single electron creation and destruction operators in a doubled system. This set of witness operators is indexed by a momenta $k$. We compute the QFI for these witness operators and show that for thermal ensembles it can be expressed as an auto-convolution of the sin"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2310.05870","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-10-09T17:06:29Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.str-el"],"title_canon_sha256":"499e27ac1f459087544f7d6cc6d36670bbb38b905fd34e0b86ed5a1330ba046b","abstract_canon_sha256":"0333befe9b96b07239adb0fff5a96ce9646680ef37d5fd34622bdd4d0cfe274f"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:18:20.940808Z","signature_b64":"ooOv6w87X4rZLgH20IGM8PKQqb6B6h1ss6iuIK/RaQQyd+pBRz/kTbaKpgqT4bX8chcdXHj3ZeX2oWqmI93PBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5a11c3cad903ce3abfc242372c5d12b4c5c94007f4b09bc67b21aad7589eff39","last_reissued_at":"2026-07-05T09:18:20.940355Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:18:20.940355Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Detecting Multipartite Entanglement Patterns using Single Particle Green's Functions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.str-el"],"primary_cat":"quant-ph","authors_text":"Andreas Weichselbaum, Rajesh K. Malla, Robert M. Konik, Tzu-Chieh Wei","submitted_at":"2023-10-09T17:06:29Z","abstract_excerpt":"We present a protocol for detecting multipartite entanglement in itinerant many-body electronic systems using single particle Green's functions. To achieve this, we first establish a connection between the quantum Fisher information (QFI) and single particle Green's functions by constructing a set of witness operators built out of single electron creation and destruction operators in a doubled system. This set of witness operators is indexed by a momenta $k$. We compute the QFI for these witness operators and show that for thermal ensembles it can be expressed as an auto-convolution of the sin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2310.05870","kind":"arxiv","version":3},"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/2310.05870/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2310.05870","created_at":"2026-07-05T09:18:20.940427+00:00"},{"alias_kind":"arxiv_version","alias_value":"2310.05870v3","created_at":"2026-07-05T09:18:20.940427+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2310.05870","created_at":"2026-07-05T09:18:20.940427+00:00"},{"alias_kind":"pith_short_12","alias_value":"LII4HSWZAPHD","created_at":"2026-07-05T09:18:20.940427+00:00"},{"alias_kind":"pith_short_16","alias_value":"LII4HSWZAPHDVP6C","created_at":"2026-07-05T09:18:20.940427+00:00"},{"alias_kind":"pith_short_8","alias_value":"LII4HSWZ","created_at":"2026-07-05T09:18:20.940427+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2403.12779","citing_title":"Quantum Fisher information in a strange metal","ref_index":43,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/LII4HSWZAPHDVP6CII3SYXISWT","json":"https://pith.science/pith/LII4HSWZAPHDVP6CII3SYXISWT.json","graph_json":"https://pith.science/api/pith-number/LII4HSWZAPHDVP6CII3SYXISWT/graph.json","events_json":"https://pith.science/api/pith-number/LII4HSWZAPHDVP6CII3SYXISWT/events.json","paper":"https://pith.science/paper/LII4HSWZ"},"agent_actions":{"view_html":"https://pith.science/pith/LII4HSWZAPHDVP6CII3SYXISWT","download_json":"https://pith.science/pith/LII4HSWZAPHDVP6CII3SYXISWT.json","view_paper":"https://pith.science/paper/LII4HSWZ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2310.05870&json=true","fetch_graph":"https://pith.science/api/pith-number/LII4HSWZAPHDVP6CII3SYXISWT/graph.json","fetch_events":"https://pith.science/api/pith-number/LII4HSWZAPHDVP6CII3SYXISWT/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LII4HSWZAPHDVP6CII3SYXISWT/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LII4HSWZAPHDVP6CII3SYXISWT/action/storage_attestation","attest_author":"https://pith.science/pith/LII4HSWZAPHDVP6CII3SYXISWT/action/author_attestation","sign_citation":"https://pith.science/pith/LII4HSWZAPHDVP6CII3SYXISWT/action/citation_signature","submit_replication":"https://pith.science/pith/LII4HSWZAPHDVP6CII3SYXISWT/action/replication_record"}},"created_at":"2026-07-05T09:18:20.940427+00:00","updated_at":"2026-07-05T09:18:20.940427+00:00"}