{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:Q6BCTGACNGHR3ULWJHJLLUZLOZ","short_pith_number":"pith:Q6BCTGAC","canonical_record":{"source":{"id":"2404.15628","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-24T03:36:10Z","cross_cats_sorted":[],"title_canon_sha256":"9de01e7dc6c056afa4b06205aa4fab4e33f60afa8ef6c054eb4350502f9933f7","abstract_canon_sha256":"9be481934df65563ba40e24cba3e33a8ae68ed6214e9d6d40a78a96c0e9e7e09"},"schema_version":"1.0"},"canonical_sha256":"8782299802698f1dd17649d2b5d32b767ab91236de7d7b3735ebdbe2f1837b72","source":{"kind":"arxiv","id":"2404.15628","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.15628","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"arxiv_version","alias_value":"2404.15628v4","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.15628","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"pith_short_12","alias_value":"Q6BCTGACNGHR","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"pith_short_16","alias_value":"Q6BCTGACNGHR3ULW","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"pith_short_8","alias_value":"Q6BCTGAC","created_at":"2026-07-05T09:31:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:Q6BCTGACNGHR3ULWJHJLLUZLOZ","target":"record","payload":{"canonical_record":{"source":{"id":"2404.15628","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-24T03:36:10Z","cross_cats_sorted":[],"title_canon_sha256":"9de01e7dc6c056afa4b06205aa4fab4e33f60afa8ef6c054eb4350502f9933f7","abstract_canon_sha256":"9be481934df65563ba40e24cba3e33a8ae68ed6214e9d6d40a78a96c0e9e7e09"},"schema_version":"1.0"},"canonical_sha256":"8782299802698f1dd17649d2b5d32b767ab91236de7d7b3735ebdbe2f1837b72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:31:45.440431Z","signature_b64":"EEDq5TiRcOezE98vqi8i+Nwh0Hy7wQqO0u9SV+0WOCfCEQCX0JK0vBV2gqbpcEJk0NL9bchlk07YTW7HdBnQBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8782299802698f1dd17649d2b5d32b767ab91236de7d7b3735ebdbe2f1837b72","last_reissued_at":"2026-07-05T09:31:45.439843Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:31:45.439843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.15628","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":"2026-07-05T09:31:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JzkfBMoym41lTiklfiUqU1611BNcsr6nn/w9PT32nnZV3Px6BWoLmMU3CUd2Swce4hv4um81Yi0J8az7RiqTCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T23:12:49.669845Z"},"content_sha256":"abcdbcd2317ff85410d74069d336f8f088b49077457cb2ab635c6cd130790d86","schema_version":"1.0","event_id":"sha256:abcdbcd2317ff85410d74069d336f8f088b49077457cb2ab635c6cd130790d86"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:Q6BCTGACNGHR3ULWJHJLLUZLOZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identifying non-Hermitian critical points with quantum metric","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Dan-Wei Zhang, Hai-Tao Ding, Jing Li, Jun-Feng Ren","submitted_at":"2024-04-24T03:36:10Z","abstract_excerpt":"The geometric properties of quantum states is fully encoded by the quantum geometric tensor. The real and imaginary parts of the quantum geometric tensor are the quantum metric and Berry curvature, which characterize the distance and phase difference between two nearby quantum states in Hilbert space, respectively. For conventional Hermitian quantum systems, the quantum metric corresponds to the fidelity susceptibility and has already been used to specify quantum phase transitions from the geometric perspective. In this work, we extend this wisdom to the non-Hermitian systems for revealing non"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.15628","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/2404.15628/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":"2026-07-05T09:31:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mD1BBPkaBosynKgob6MT8bMfmCyCyDhDzNK6wGN58YmDav1RRUtljcuLQ/QFujJLdLNyx5YI0TrzPu3EJf61Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T23:12:49.670949Z"},"content_sha256":"ddd5128a3b5abba3961ede1d9ce0458da1460df54004b31641f538900eab5238","schema_version":"1.0","event_id":"sha256:ddd5128a3b5abba3961ede1d9ce0458da1460df54004b31641f538900eab5238"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q6BCTGACNGHR3ULWJHJLLUZLOZ/bundle.json","state_url":"https://pith.science/pith/Q6BCTGACNGHR3ULWJHJLLUZLOZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q6BCTGACNGHR3ULWJHJLLUZLOZ/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":"2026-08-05T23:12:49Z","links":{"resolver":"https://pith.science/pith/Q6BCTGACNGHR3ULWJHJLLUZLOZ","bundle":"https://pith.science/pith/Q6BCTGACNGHR3ULWJHJLLUZLOZ/bundle.json","state":"https://pith.science/pith/Q6BCTGACNGHR3ULWJHJLLUZLOZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q6BCTGACNGHR3ULWJHJLLUZLOZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:Q6BCTGACNGHR3ULWJHJLLUZLOZ","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":"9be481934df65563ba40e24cba3e33a8ae68ed6214e9d6d40a78a96c0e9e7e09","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-24T03:36:10Z","title_canon_sha256":"9de01e7dc6c056afa4b06205aa4fab4e33f60afa8ef6c054eb4350502f9933f7"},"schema_version":"1.0","source":{"id":"2404.15628","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.15628","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"arxiv_version","alias_value":"2404.15628v4","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.15628","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"pith_short_12","alias_value":"Q6BCTGACNGHR","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"pith_short_16","alias_value":"Q6BCTGACNGHR3ULW","created_at":"2026-07-05T09:31:45Z"},{"alias_kind":"pith_short_8","alias_value":"Q6BCTGAC","created_at":"2026-07-05T09:31:45Z"}],"graph_snapshots":[{"event_id":"sha256:ddd5128a3b5abba3961ede1d9ce0458da1460df54004b31641f538900eab5238","target":"graph","created_at":"2026-07-05T09:31:45Z","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/2404.15628/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The geometric properties of quantum states is fully encoded by the quantum geometric tensor. The real and imaginary parts of the quantum geometric tensor are the quantum metric and Berry curvature, which characterize the distance and phase difference between two nearby quantum states in Hilbert space, respectively. For conventional Hermitian quantum systems, the quantum metric corresponds to the fidelity susceptibility and has already been used to specify quantum phase transitions from the geometric perspective. In this work, we extend this wisdom to the non-Hermitian systems for revealing non","authors_text":"Dan-Wei Zhang, Hai-Tao Ding, Jing Li, Jun-Feng Ren","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-24T03:36:10Z","title":"Identifying non-Hermitian critical points with quantum metric"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.15628","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:abcdbcd2317ff85410d74069d336f8f088b49077457cb2ab635c6cd130790d86","target":"record","created_at":"2026-07-05T09:31:45Z","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":"9be481934df65563ba40e24cba3e33a8ae68ed6214e9d6d40a78a96c0e9e7e09","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-04-24T03:36:10Z","title_canon_sha256":"9de01e7dc6c056afa4b06205aa4fab4e33f60afa8ef6c054eb4350502f9933f7"},"schema_version":"1.0","source":{"id":"2404.15628","kind":"arxiv","version":4}},"canonical_sha256":"8782299802698f1dd17649d2b5d32b767ab91236de7d7b3735ebdbe2f1837b72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8782299802698f1dd17649d2b5d32b767ab91236de7d7b3735ebdbe2f1837b72","first_computed_at":"2026-07-05T09:31:45.439843Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:31:45.439843Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EEDq5TiRcOezE98vqi8i+Nwh0Hy7wQqO0u9SV+0WOCfCEQCX0JK0vBV2gqbpcEJk0NL9bchlk07YTW7HdBnQBA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:31:45.440431Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.15628","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:abcdbcd2317ff85410d74069d336f8f088b49077457cb2ab635c6cd130790d86","sha256:ddd5128a3b5abba3961ede1d9ce0458da1460df54004b31641f538900eab5238"],"state_sha256":"8b63b2a729ba1e6b300f51c05603bdd5a05665c6f968d2e2f3dd89e39cc9c185"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mCjuCe3VDTprv81UMQ106FzrdcfO4gixXPQxvtwo3+//U1RMROV2htqBvMUvV/2qYFRoCxERdP/hjxZH3mlkDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T23:12:49.682697Z","bundle_sha256":"75792b8f75d87a583fde50e31e9df35873b818505ebae7022e555efaaea84428"}}