{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:7QGN4UNQJPO5I5AMVKGYTYZONC","short_pith_number":"pith:7QGN4UNQ","canonical_record":{"source":{"id":"2210.03097","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-10-06T17:50:47Z","cross_cats_sorted":[],"title_canon_sha256":"77f68531d514911a6c2edf84979e612b713ac3c0d54690613034c7af1512f992","abstract_canon_sha256":"88a143aad76c710e1b4daf8ee26b367d0c17a336ffa51cda44a494b450c0cb29"},"schema_version":"1.0"},"canonical_sha256":"fc0cde51b04bddd4740caa8d89e32e68a4cfd6ed7ad70875bbd22975e4cd3938","source":{"kind":"arxiv","id":"2210.03097","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.03097","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"arxiv_version","alias_value":"2210.03097v2","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.03097","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"pith_short_12","alias_value":"7QGN4UNQJPO5","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"pith_short_16","alias_value":"7QGN4UNQJPO5I5AM","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"pith_short_8","alias_value":"7QGN4UNQ","created_at":"2026-07-05T09:11:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:7QGN4UNQJPO5I5AMVKGYTYZONC","target":"record","payload":{"canonical_record":{"source":{"id":"2210.03097","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-10-06T17:50:47Z","cross_cats_sorted":[],"title_canon_sha256":"77f68531d514911a6c2edf84979e612b713ac3c0d54690613034c7af1512f992","abstract_canon_sha256":"88a143aad76c710e1b4daf8ee26b367d0c17a336ffa51cda44a494b450c0cb29"},"schema_version":"1.0"},"canonical_sha256":"fc0cde51b04bddd4740caa8d89e32e68a4cfd6ed7ad70875bbd22975e4cd3938","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:11:19.932326Z","signature_b64":"v9CoMVa5vYbZjjCTbkqb1TxT/GZU+hQfzfR1cPSwAIMYVlH2RtiGdLVS0W/9uShxGo2gAjZKLt7foCo9Jx1/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc0cde51b04bddd4740caa8d89e32e68a4cfd6ed7ad70875bbd22975e4cd3938","last_reissued_at":"2026-07-05T09:11:19.931803Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:11:19.931803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.03097","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":"2026-07-05T09:11:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0LfPTGwBfgg8w3qFjoNJ8ZqVaHiDWziBE2fkSrIxLeio6iWKl/8cbuWnX6FMzfdGeoIxlsTer3g0lUnUM7j0CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:06:03.867735Z"},"content_sha256":"2d9864f6679efe8f2d6d9a729ea66459601e73f8e99d7abdc98d5e206c348f96","schema_version":"1.0","event_id":"sha256:2d9864f6679efe8f2d6d9a729ea66459601e73f8e99d7abdc98d5e206c348f96"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:7QGN4UNQJPO5I5AMVKGYTYZONC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mixed higher-order topology: boundary non-Hermitian skin effect induced by a Floquet bulk","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Hui Liu, Ion Cosma Fulga","submitted_at":"2022-10-06T17:50:47Z","abstract_excerpt":"We show that anomalous Floquet topological insulators generate intrinsic, non-Hermitian topology on their boundary. As a consequence, removing a boundary hopping from the time-evolution operator stops the propagation of chiral edge modes, leading to a non-Hermitian skin effect. This does not occur in Floquet Chern insulators, however, in which boundary modes continue propagating. The non-Hermitian skin effect on the boundary is a consequence of the nontrivial topology of the bulk Floquet operator, which we show by designing a real-space topological invariant. Our work introduces a form of `mix"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.03097","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.03097/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":"2026-07-05T09:11:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CarMYouSGieI22A71wu4sTikYyJZE3Xm2OZ+T9rOmAy1pEr5w1/27MYsoYJbMUMZCbc+DNzRjVWt2FyIhDPcCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T15:06:03.868231Z"},"content_sha256":"e1aaa4048e8664da9a13c9a2b17d34e9a1cf367804acb0d7ec0656dc0437e146","schema_version":"1.0","event_id":"sha256:e1aaa4048e8664da9a13c9a2b17d34e9a1cf367804acb0d7ec0656dc0437e146"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7QGN4UNQJPO5I5AMVKGYTYZONC/bundle.json","state_url":"https://pith.science/pith/7QGN4UNQJPO5I5AMVKGYTYZONC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7QGN4UNQJPO5I5AMVKGYTYZONC/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":"2026-08-06T15:06:03Z","links":{"resolver":"https://pith.science/pith/7QGN4UNQJPO5I5AMVKGYTYZONC","bundle":"https://pith.science/pith/7QGN4UNQJPO5I5AMVKGYTYZONC/bundle.json","state":"https://pith.science/pith/7QGN4UNQJPO5I5AMVKGYTYZONC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7QGN4UNQJPO5I5AMVKGYTYZONC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7QGN4UNQJPO5I5AMVKGYTYZONC","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":"88a143aad76c710e1b4daf8ee26b367d0c17a336ffa51cda44a494b450c0cb29","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-10-06T17:50:47Z","title_canon_sha256":"77f68531d514911a6c2edf84979e612b713ac3c0d54690613034c7af1512f992"},"schema_version":"1.0","source":{"id":"2210.03097","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.03097","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"arxiv_version","alias_value":"2210.03097v2","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.03097","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"pith_short_12","alias_value":"7QGN4UNQJPO5","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"pith_short_16","alias_value":"7QGN4UNQJPO5I5AM","created_at":"2026-07-05T09:11:19Z"},{"alias_kind":"pith_short_8","alias_value":"7QGN4UNQ","created_at":"2026-07-05T09:11:19Z"}],"graph_snapshots":[{"event_id":"sha256:e1aaa4048e8664da9a13c9a2b17d34e9a1cf367804acb0d7ec0656dc0437e146","target":"graph","created_at":"2026-07-05T09:11:19Z","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/2210.03097/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We show that anomalous Floquet topological insulators generate intrinsic, non-Hermitian topology on their boundary. As a consequence, removing a boundary hopping from the time-evolution operator stops the propagation of chiral edge modes, leading to a non-Hermitian skin effect. This does not occur in Floquet Chern insulators, however, in which boundary modes continue propagating. The non-Hermitian skin effect on the boundary is a consequence of the nontrivial topology of the bulk Floquet operator, which we show by designing a real-space topological invariant. Our work introduces a form of `mix","authors_text":"Hui Liu, Ion Cosma Fulga","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-10-06T17:50:47Z","title":"Mixed higher-order topology: boundary non-Hermitian skin effect induced by a Floquet bulk"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.03097","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":"sha256:2d9864f6679efe8f2d6d9a729ea66459601e73f8e99d7abdc98d5e206c348f96","target":"record","created_at":"2026-07-05T09:11:19Z","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":"88a143aad76c710e1b4daf8ee26b367d0c17a336ffa51cda44a494b450c0cb29","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2022-10-06T17:50:47Z","title_canon_sha256":"77f68531d514911a6c2edf84979e612b713ac3c0d54690613034c7af1512f992"},"schema_version":"1.0","source":{"id":"2210.03097","kind":"arxiv","version":2}},"canonical_sha256":"fc0cde51b04bddd4740caa8d89e32e68a4cfd6ed7ad70875bbd22975e4cd3938","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc0cde51b04bddd4740caa8d89e32e68a4cfd6ed7ad70875bbd22975e4cd3938","first_computed_at":"2026-07-05T09:11:19.931803Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:11:19.931803Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"v9CoMVa5vYbZjjCTbkqb1TxT/GZU+hQfzfR1cPSwAIMYVlH2RtiGdLVS0W/9uShxGo2gAjZKLt7foCo9Jx1/Aw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:11:19.932326Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.03097","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2d9864f6679efe8f2d6d9a729ea66459601e73f8e99d7abdc98d5e206c348f96","sha256:e1aaa4048e8664da9a13c9a2b17d34e9a1cf367804acb0d7ec0656dc0437e146"],"state_sha256":"732986f036ae0d97a471b81b189a56d5e1b93906fbb90249eeebfeecb0ba5895"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FItwpsPibhYtseyVQPcMP/Q+Dno/Fspdtononzgg6l0NlQS6mWRdphKPFn8Wp+ClwG6sjgle37XM7/j35yRTBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T15:06:03.872220Z","bundle_sha256":"5f23a57fa116f84b9e7519f76b8f5fc3b761b6e4a6922bb7ff975d557e5f02f1"}}