{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:6TUJFYHLHYNNXB4IIKICQXAXFN","short_pith_number":"pith:6TUJFYHL","canonical_record":{"source":{"id":"2309.07894","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-09-14T17:43:16Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"9362d9764a57eb9e4265dfbff68530bad52fc3faf7561b422bde4ba03bf09946","abstract_canon_sha256":"08a36a0012c35d67a113e72ccc61c4b2937fea63c3c9b0b2577e6cefe5f78a8c"},"schema_version":"1.0"},"canonical_sha256":"f4e892e0eb3e1adb87884290285c172b757fca186d4c867afd97e4cbb44cd0eb","source":{"kind":"arxiv","id":"2309.07894","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.07894","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"arxiv_version","alias_value":"2309.07894v1","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.07894","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"pith_short_12","alias_value":"6TUJFYHLHYNN","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"pith_short_16","alias_value":"6TUJFYHLHYNNXB4I","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"pith_short_8","alias_value":"6TUJFYHL","created_at":"2026-07-05T06:50:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:6TUJFYHLHYNNXB4IIKICQXAXFN","target":"record","payload":{"canonical_record":{"source":{"id":"2309.07894","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-09-14T17:43:16Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"9362d9764a57eb9e4265dfbff68530bad52fc3faf7561b422bde4ba03bf09946","abstract_canon_sha256":"08a36a0012c35d67a113e72ccc61c4b2937fea63c3c9b0b2577e6cefe5f78a8c"},"schema_version":"1.0"},"canonical_sha256":"f4e892e0eb3e1adb87884290285c172b757fca186d4c867afd97e4cbb44cd0eb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:50:49.617236Z","signature_b64":"CWRFy4ryBvlhjAya9Rnok8zL2CtK2Cb67L6ExBVn4axEgxEXUB5WKYOF2pcad2ic0Mg7fnwDnWmYSJlmEHezDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4e892e0eb3e1adb87884290285c172b757fca186d4c867afd97e4cbb44cd0eb","last_reissued_at":"2026-07-05T06:50:49.616798Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:50:49.616798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.07894","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":"2026-07-05T06:50:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tv3wwtidILFLuuM+VJKM0rkdsq3YrXbXDQM8M12a3sMKYCN/THECbrnxE5LziYRq/oKWzD4b3+f/kj8UCF9oBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T17:22:07.890583Z"},"content_sha256":"f3584b3172a0411cda6747776cddb50814cedd1f0d81d05c0b5deb270f3f05a9","schema_version":"1.0","event_id":"sha256:f3584b3172a0411cda6747776cddb50814cedd1f0d81d05c0b5deb270f3f05a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:6TUJFYHLHYNNXB4IIKICQXAXFN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collective non-Hermitian skin effect: Point-gap topology and the doublon-holon excitations in non-reciprocal many-body systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Beom Hyun Kim, Jae-Ho Han, Moon Jip Park","submitted_at":"2023-09-14T17:43:16Z","abstract_excerpt":"Open quantum systems provide a plethora of exotic topological phases of matter that has no Hermitian counterpart. Non-Hermitian skin effect, macroscopic collapse of bulk states to the boundary, has been extensively studied in various experimental platforms. However, it remains an open question whether such topological phases persist in the presence of many-body interactions. Notably, previous studies have shown that the Pauli exclusion principle suppresses the skin effect. In this study, we present a compelling counterexample by demonstrating the presence of the skin effect in doublon-holon ex"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.07894","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2309.07894/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":"2026-07-05T06:50:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FeNp5tYrFCOMys/Uq39CVAMVStQ6CMu6vOqZLr8E6rrTsquQ5ghX8tWEPHLssDONl5Ms1YjvdNf/DlPFE/GgDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T17:22:07.891035Z"},"content_sha256":"45f8b2609101860532ec1ac184dbe7b304710afccbd9d9f7e947651db3966026","schema_version":"1.0","event_id":"sha256:45f8b2609101860532ec1ac184dbe7b304710afccbd9d9f7e947651db3966026"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6TUJFYHLHYNNXB4IIKICQXAXFN/bundle.json","state_url":"https://pith.science/pith/6TUJFYHLHYNNXB4IIKICQXAXFN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6TUJFYHLHYNNXB4IIKICQXAXFN/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":"2026-07-31T17:22:07Z","links":{"resolver":"https://pith.science/pith/6TUJFYHLHYNNXB4IIKICQXAXFN","bundle":"https://pith.science/pith/6TUJFYHLHYNNXB4IIKICQXAXFN/bundle.json","state":"https://pith.science/pith/6TUJFYHLHYNNXB4IIKICQXAXFN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6TUJFYHLHYNNXB4IIKICQXAXFN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:6TUJFYHLHYNNXB4IIKICQXAXFN","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":"08a36a0012c35d67a113e72ccc61c4b2937fea63c3c9b0b2577e6cefe5f78a8c","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-09-14T17:43:16Z","title_canon_sha256":"9362d9764a57eb9e4265dfbff68530bad52fc3faf7561b422bde4ba03bf09946"},"schema_version":"1.0","source":{"id":"2309.07894","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.07894","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"arxiv_version","alias_value":"2309.07894v1","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.07894","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"pith_short_12","alias_value":"6TUJFYHLHYNN","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"pith_short_16","alias_value":"6TUJFYHLHYNNXB4I","created_at":"2026-07-05T06:50:49Z"},{"alias_kind":"pith_short_8","alias_value":"6TUJFYHL","created_at":"2026-07-05T06:50:49Z"}],"graph_snapshots":[{"event_id":"sha256:45f8b2609101860532ec1ac184dbe7b304710afccbd9d9f7e947651db3966026","target":"graph","created_at":"2026-07-05T06:50:49Z","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/2309.07894/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Open quantum systems provide a plethora of exotic topological phases of matter that has no Hermitian counterpart. Non-Hermitian skin effect, macroscopic collapse of bulk states to the boundary, has been extensively studied in various experimental platforms. However, it remains an open question whether such topological phases persist in the presence of many-body interactions. Notably, previous studies have shown that the Pauli exclusion principle suppresses the skin effect. In this study, we present a compelling counterexample by demonstrating the presence of the skin effect in doublon-holon ex","authors_text":"Beom Hyun Kim, Jae-Ho Han, Moon Jip Park","cross_cats":["cond-mat.mes-hall","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-09-14T17:43:16Z","title":"Collective non-Hermitian skin effect: Point-gap topology and the doublon-holon excitations in non-reciprocal many-body systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.07894","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:f3584b3172a0411cda6747776cddb50814cedd1f0d81d05c0b5deb270f3f05a9","target":"record","created_at":"2026-07-05T06:50:49Z","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":"08a36a0012c35d67a113e72ccc61c4b2937fea63c3c9b0b2577e6cefe5f78a8c","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.str-el","submitted_at":"2023-09-14T17:43:16Z","title_canon_sha256":"9362d9764a57eb9e4265dfbff68530bad52fc3faf7561b422bde4ba03bf09946"},"schema_version":"1.0","source":{"id":"2309.07894","kind":"arxiv","version":1}},"canonical_sha256":"f4e892e0eb3e1adb87884290285c172b757fca186d4c867afd97e4cbb44cd0eb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4e892e0eb3e1adb87884290285c172b757fca186d4c867afd97e4cbb44cd0eb","first_computed_at":"2026-07-05T06:50:49.616798Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:50:49.616798Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CWRFy4ryBvlhjAya9Rnok8zL2CtK2Cb67L6ExBVn4axEgxEXUB5WKYOF2pcad2ic0Mg7fnwDnWmYSJlmEHezDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T06:50:49.617236Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.07894","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f3584b3172a0411cda6747776cddb50814cedd1f0d81d05c0b5deb270f3f05a9","sha256:45f8b2609101860532ec1ac184dbe7b304710afccbd9d9f7e947651db3966026"],"state_sha256":"b0b411a8fdc6abfda2856cd059a386d0a7e87ac8741ad6d8ff9808a8a431bc16"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"amM8VrylgK3n6WDjPHDpBd6KZzqDgJWRMNHzWZlCrDQOuLAOFZBwFs8PRG156zXcNoCfwvvsOFZYOqVV7f1jCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T17:22:07.895426Z","bundle_sha256":"e669ada623e99aead342fcf3e37d3dbbfe1644b7fe00c29482a98f378a847d38"}}