{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:OO5EZFX5ZRLGRZECBWCEXLDTRN","short_pith_number":"pith:OO5EZFX5","canonical_record":{"source":{"id":"2207.05097","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-07-11T18:00:03Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"d4956f7114ea7a7f77f3817759fae98c66f6871ceba5fffa7aa2cb4013d68497","abstract_canon_sha256":"b5e0afe4cec2eda3ccd50e764ef1c6f5e832764bae8e38fcd479977fd3baa4d1"},"schema_version":"1.0"},"canonical_sha256":"73ba4c96fdcc5668e4820d844bac738b657d86353308583109ce98ed81a60d96","source":{"kind":"arxiv","id":"2207.05097","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.05097","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"arxiv_version","alias_value":"2207.05097v2","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.05097","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"pith_short_12","alias_value":"OO5EZFX5ZRLG","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"pith_short_16","alias_value":"OO5EZFX5ZRLGRZEC","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"pith_short_8","alias_value":"OO5EZFX5","created_at":"2026-07-05T06:57:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:OO5EZFX5ZRLGRZECBWCEXLDTRN","target":"record","payload":{"canonical_record":{"source":{"id":"2207.05097","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-07-11T18:00:03Z","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"title_canon_sha256":"d4956f7114ea7a7f77f3817759fae98c66f6871ceba5fffa7aa2cb4013d68497","abstract_canon_sha256":"b5e0afe4cec2eda3ccd50e764ef1c6f5e832764bae8e38fcd479977fd3baa4d1"},"schema_version":"1.0"},"canonical_sha256":"73ba4c96fdcc5668e4820d844bac738b657d86353308583109ce98ed81a60d96","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:57:49.956192Z","signature_b64":"yQJPEg1idPOF5rejcQ1grYSI6SOtRHATR+QCbgB9ldRPlzGcue7i3biTXSouEQh0XZHVOFNtwTWOkAC7xwINCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73ba4c96fdcc5668e4820d844bac738b657d86353308583109ce98ed81a60d96","last_reissued_at":"2026-07-05T06:57:49.955627Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:57:49.955627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.05097","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":"2026-07-05T06:57:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NEIt5DjVxY6AIBVr1VRelagL7HkDwtCA3xBgSdCcEd31Y8zl8JlMfHBTCOAyh95McnHO9ZxdXXv9O+woiVqTAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:03:17.494141Z"},"content_sha256":"ca3041f33e25ad95295970b8ac2a70d4b77a71cc35b55377da7efc4b4e55ef12","schema_version":"1.0","event_id":"sha256:ca3041f33e25ad95295970b8ac2a70d4b77a71cc35b55377da7efc4b4e55ef12"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:OO5EZFX5ZRLGRZECBWCEXLDTRN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spontaneous Formation of Exceptional Points at the Onset of Magnetism","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","quant-ph"],"primary_cat":"cond-mat.str-el","authors_text":"Giorgio Sangiovanni, Jan Carl Budich, Lorenzo Crippa","submitted_at":"2022-07-11T18:00:03Z","abstract_excerpt":"We reveal how symmetry protected nodal points in topological semimetals may be promoted to pairs of generically stable exceptional points (EPs) by symmetry-breaking fluctuations at the onset of long-range order. This novel route to non-Hermitian (NH) topology is exemplified by a magnetic NH Weyl phase spontaneously emerging at the surface of a strongly correlated three-dimensional topological insulator when entering the ferromagnetic regime from a high temperature paramagnetic phase. Here, electronic excitations with opposite spin acquire significantly different life-times, thus giving rise to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.05097","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/2207.05097/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":"2026-07-05T06:57:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jPX36gcBkRIjF6m28s1YzKRVeeZ9t4myTPMOYYJkfC6h/eHqndPukoJNLL30McG7HhETXuCCmyPlXzcLOuDtBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:03:17.495000Z"},"content_sha256":"1d6e00a5c84cb48f3353c7a9bee4cb0bd35c6e0549aeb74de534398009dd50fa","schema_version":"1.0","event_id":"sha256:1d6e00a5c84cb48f3353c7a9bee4cb0bd35c6e0549aeb74de534398009dd50fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OO5EZFX5ZRLGRZECBWCEXLDTRN/bundle.json","state_url":"https://pith.science/pith/OO5EZFX5ZRLGRZECBWCEXLDTRN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OO5EZFX5ZRLGRZECBWCEXLDTRN/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":"2026-08-06T01:03:17Z","links":{"resolver":"https://pith.science/pith/OO5EZFX5ZRLGRZECBWCEXLDTRN","bundle":"https://pith.science/pith/OO5EZFX5ZRLGRZECBWCEXLDTRN/bundle.json","state":"https://pith.science/pith/OO5EZFX5ZRLGRZECBWCEXLDTRN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OO5EZFX5ZRLGRZECBWCEXLDTRN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:OO5EZFX5ZRLGRZECBWCEXLDTRN","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":"b5e0afe4cec2eda3ccd50e764ef1c6f5e832764bae8e38fcd479977fd3baa4d1","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-07-11T18:00:03Z","title_canon_sha256":"d4956f7114ea7a7f77f3817759fae98c66f6871ceba5fffa7aa2cb4013d68497"},"schema_version":"1.0","source":{"id":"2207.05097","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.05097","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"arxiv_version","alias_value":"2207.05097v2","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.05097","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"pith_short_12","alias_value":"OO5EZFX5ZRLG","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"pith_short_16","alias_value":"OO5EZFX5ZRLGRZEC","created_at":"2026-07-05T06:57:49Z"},{"alias_kind":"pith_short_8","alias_value":"OO5EZFX5","created_at":"2026-07-05T06:57:49Z"}],"graph_snapshots":[{"event_id":"sha256:1d6e00a5c84cb48f3353c7a9bee4cb0bd35c6e0549aeb74de534398009dd50fa","target":"graph","created_at":"2026-07-05T06:57:49Z","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/2207.05097/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We reveal how symmetry protected nodal points in topological semimetals may be promoted to pairs of generically stable exceptional points (EPs) by symmetry-breaking fluctuations at the onset of long-range order. This novel route to non-Hermitian (NH) topology is exemplified by a magnetic NH Weyl phase spontaneously emerging at the surface of a strongly correlated three-dimensional topological insulator when entering the ferromagnetic regime from a high temperature paramagnetic phase. Here, electronic excitations with opposite spin acquire significantly different life-times, thus giving rise to","authors_text":"Giorgio Sangiovanni, Jan Carl Budich, Lorenzo Crippa","cross_cats":["cond-mat.mes-hall","quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-07-11T18:00:03Z","title":"Spontaneous Formation of Exceptional Points at the Onset of Magnetism"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.05097","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:ca3041f33e25ad95295970b8ac2a70d4b77a71cc35b55377da7efc4b4e55ef12","target":"record","created_at":"2026-07-05T06:57:49Z","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":"b5e0afe4cec2eda3ccd50e764ef1c6f5e832764bae8e38fcd479977fd3baa4d1","cross_cats_sorted":["cond-mat.mes-hall","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.str-el","submitted_at":"2022-07-11T18:00:03Z","title_canon_sha256":"d4956f7114ea7a7f77f3817759fae98c66f6871ceba5fffa7aa2cb4013d68497"},"schema_version":"1.0","source":{"id":"2207.05097","kind":"arxiv","version":2}},"canonical_sha256":"73ba4c96fdcc5668e4820d844bac738b657d86353308583109ce98ed81a60d96","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73ba4c96fdcc5668e4820d844bac738b657d86353308583109ce98ed81a60d96","first_computed_at":"2026-07-05T06:57:49.955627Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:57:49.955627Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"yQJPEg1idPOF5rejcQ1grYSI6SOtRHATR+QCbgB9ldRPlzGcue7i3biTXSouEQh0XZHVOFNtwTWOkAC7xwINCA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:57:49.956192Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.05097","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ca3041f33e25ad95295970b8ac2a70d4b77a71cc35b55377da7efc4b4e55ef12","sha256:1d6e00a5c84cb48f3353c7a9bee4cb0bd35c6e0549aeb74de534398009dd50fa"],"state_sha256":"e8eb0799661798c547102a0cb71381df9879794ede6fcd14626398c56945edd6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uK8QVhkJiciJtt4AzKE30JfjsxjD7RiidCNxfgJP+Nhsc1aNgbqwpZ7uSxwo552Cgc5iXWZzD3uRp5v6k5whBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T01:03:17.502576Z","bundle_sha256":"50590b67a1f6113ed2ae91ea010994e801b74eb929c7c5e83dfa6e70a1f01f60"}}