{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:Z5R44UCG2NKGAF6WIJ5HUOYDYZ","short_pith_number":"pith:Z5R44UCG","canonical_record":{"source":{"id":"2305.17675","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2023-05-28T09:48:40Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"5c57cb960c10085e4caca421bd92f30eeced8ef3253229ab35dba267d39c4185","abstract_canon_sha256":"6661ce23893568d570205ee1d9ebd0c3e30535218f1bcbef435626f24e4da311"},"schema_version":"1.0"},"canonical_sha256":"cf63ce5046d3546017d6427a7a3b03c6499d7f4ccb7e2e80348fcaf6d3cb75da","source":{"kind":"arxiv","id":"2305.17675","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.17675","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"arxiv_version","alias_value":"2305.17675v4","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.17675","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"pith_short_12","alias_value":"Z5R44UCG2NKG","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"pith_short_16","alias_value":"Z5R44UCG2NKGAF6W","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"pith_short_8","alias_value":"Z5R44UCG","created_at":"2026-07-05T08:23:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:Z5R44UCG2NKGAF6WIJ5HUOYDYZ","target":"record","payload":{"canonical_record":{"source":{"id":"2305.17675","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2023-05-28T09:48:40Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"5c57cb960c10085e4caca421bd92f30eeced8ef3253229ab35dba267d39c4185","abstract_canon_sha256":"6661ce23893568d570205ee1d9ebd0c3e30535218f1bcbef435626f24e4da311"},"schema_version":"1.0"},"canonical_sha256":"cf63ce5046d3546017d6427a7a3b03c6499d7f4ccb7e2e80348fcaf6d3cb75da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:23:53.676751Z","signature_b64":"3bzTOZLBS7jra8GtDjPKBEEonL+v0hHpvJTSOlGxr/hQA7zxUVS6YrgnlStTmHX4DH92Fz94qTp7ytFsejLUAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cf63ce5046d3546017d6427a7a3b03c6499d7f4ccb7e2e80348fcaf6d3cb75da","last_reissued_at":"2026-07-05T08:23:53.676232Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:23:53.676232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2305.17675","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":"2026-07-05T08:23:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5h0nLgFzxeLPMua11opvrGduoFlVI2aTqgzTbeXJMWGMGHNxxo9N9wX8wYRN0CEfQbQ619YKWKZWxCTj3ECHAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T15:06:23.381223Z"},"content_sha256":"8ff260064cb7649f3074942a78a73f4947ce3d6ae505c956741e737aaadb3b98","schema_version":"1.0","event_id":"sha256:8ff260064cb7649f3074942a78a73f4947ce3d6ae505c956741e737aaadb3b98"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:Z5R44UCG2NKGAF6WIJ5HUOYDYZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum metric of non-Hermitian Su-Schrieffer-Heeger systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.stat-mech","authors_text":"Chao Chen Ye, C. Morais Smith, S. Heatley, V. Gritsev, W. L. Vleeshouwers","submitted_at":"2023-05-28T09:48:40Z","abstract_excerpt":"Topological insulators have been studied intensively over the last decades. Earlier research focused on Hermitian Hamiltonians, but recently, peculiar and interesting properties were found by introducing non-Hermiticity. In this work, we apply a quantum geometric approach to various Hermitian and non-Hermitian versions of the Su-Schrieffer-Heeger (SSH) model. We find that this method allows one to correctly identify different topological phases and topological phase transitions for all SSH models, but only when using the metric tensor containing both left and right eigenvectors. Whereas the qu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.17675","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/2305.17675/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":"2026-07-05T08:23:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qn5qoqKvKEnrx5QiWW7qykU9Oy0oB0Izz68g4UGWA7S8fFhPOWupSSV0cbZwfvC5cU6NGSi3Hlh0badFDMNRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T15:06:23.381736Z"},"content_sha256":"122c7702438f098afd88c96ae02dfc25c772b5716dae4aa2d54192a214f71c93","schema_version":"1.0","event_id":"sha256:122c7702438f098afd88c96ae02dfc25c772b5716dae4aa2d54192a214f71c93"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z5R44UCG2NKGAF6WIJ5HUOYDYZ/bundle.json","state_url":"https://pith.science/pith/Z5R44UCG2NKGAF6WIJ5HUOYDYZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z5R44UCG2NKGAF6WIJ5HUOYDYZ/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":"2026-08-16T15:06:23Z","links":{"resolver":"https://pith.science/pith/Z5R44UCG2NKGAF6WIJ5HUOYDYZ","bundle":"https://pith.science/pith/Z5R44UCG2NKGAF6WIJ5HUOYDYZ/bundle.json","state":"https://pith.science/pith/Z5R44UCG2NKGAF6WIJ5HUOYDYZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z5R44UCG2NKGAF6WIJ5HUOYDYZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:Z5R44UCG2NKGAF6WIJ5HUOYDYZ","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":"6661ce23893568d570205ee1d9ebd0c3e30535218f1bcbef435626f24e4da311","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2023-05-28T09:48:40Z","title_canon_sha256":"5c57cb960c10085e4caca421bd92f30eeced8ef3253229ab35dba267d39c4185"},"schema_version":"1.0","source":{"id":"2305.17675","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2305.17675","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"arxiv_version","alias_value":"2305.17675v4","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2305.17675","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"pith_short_12","alias_value":"Z5R44UCG2NKG","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"pith_short_16","alias_value":"Z5R44UCG2NKGAF6W","created_at":"2026-07-05T08:23:53Z"},{"alias_kind":"pith_short_8","alias_value":"Z5R44UCG","created_at":"2026-07-05T08:23:53Z"}],"graph_snapshots":[{"event_id":"sha256:122c7702438f098afd88c96ae02dfc25c772b5716dae4aa2d54192a214f71c93","target":"graph","created_at":"2026-07-05T08:23:53Z","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/2305.17675/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Topological insulators have been studied intensively over the last decades. Earlier research focused on Hermitian Hamiltonians, but recently, peculiar and interesting properties were found by introducing non-Hermiticity. In this work, we apply a quantum geometric approach to various Hermitian and non-Hermitian versions of the Su-Schrieffer-Heeger (SSH) model. We find that this method allows one to correctly identify different topological phases and topological phase transitions for all SSH models, but only when using the metric tensor containing both left and right eigenvectors. Whereas the qu","authors_text":"Chao Chen Ye, C. Morais Smith, S. Heatley, V. Gritsev, W. L. Vleeshouwers","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2023-05-28T09:48:40Z","title":"Quantum metric of non-Hermitian Su-Schrieffer-Heeger systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2305.17675","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":"sha256:8ff260064cb7649f3074942a78a73f4947ce3d6ae505c956741e737aaadb3b98","target":"record","created_at":"2026-07-05T08:23:53Z","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":"6661ce23893568d570205ee1d9ebd0c3e30535218f1bcbef435626f24e4da311","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2023-05-28T09:48:40Z","title_canon_sha256":"5c57cb960c10085e4caca421bd92f30eeced8ef3253229ab35dba267d39c4185"},"schema_version":"1.0","source":{"id":"2305.17675","kind":"arxiv","version":4}},"canonical_sha256":"cf63ce5046d3546017d6427a7a3b03c6499d7f4ccb7e2e80348fcaf6d3cb75da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cf63ce5046d3546017d6427a7a3b03c6499d7f4ccb7e2e80348fcaf6d3cb75da","first_computed_at":"2026-07-05T08:23:53.676232Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:23:53.676232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3bzTOZLBS7jra8GtDjPKBEEonL+v0hHpvJTSOlGxr/hQA7zxUVS6YrgnlStTmHX4DH92Fz94qTp7ytFsejLUAg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:23:53.676751Z","signed_message":"canonical_sha256_bytes"},"source_id":"2305.17675","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ff260064cb7649f3074942a78a73f4947ce3d6ae505c956741e737aaadb3b98","sha256:122c7702438f098afd88c96ae02dfc25c772b5716dae4aa2d54192a214f71c93"],"state_sha256":"57b6370f30ed7c550961afe5bd6d6dfe58a771842f4914543b01bea116016ff3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4mdlLqnrm7pgHP0X3uCoh+APbKZ/21rLlbirIG69l07PMBguCJTNemEfxHLxblVNM1UeweVZAwab2yNpSnq6Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T15:06:23.384768Z","bundle_sha256":"7432ab7f974c0d1fceab02c40ae2c3669cf7f6376c257906017ad6c1af723d13"}}