{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NOEF23ZNF3IIJSBH3J7OWUW2KV","short_pith_number":"pith:NOEF23ZN","canonical_record":{"source":{"id":"1611.00396","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-11-01T21:14:26Z","cross_cats_sorted":["cond-mat.quant-gas","physics.optics","quant-ph"],"title_canon_sha256":"e16e79537380ac68db26950e743a111f1dfaff99655aa6864d57736cb2c038fe","abstract_canon_sha256":"6a9c46ea1d4b1847f842e181c172f6c7143e9abfef601dae9cf171c59b659bd3"},"schema_version":"1.0"},"canonical_sha256":"6b885d6f2d2ed084c827da7eeb52da55741f7620a8d7a42caa942fdaac2643f1","source":{"kind":"arxiv","id":"1611.00396","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.00396","created_at":"2026-05-18T00:42:44Z"},{"alias_kind":"arxiv_version","alias_value":"1611.00396v2","created_at":"2026-05-18T00:42:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.00396","created_at":"2026-05-18T00:42:44Z"},{"alias_kind":"pith_short_12","alias_value":"NOEF23ZNF3II","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NOEF23ZNF3IIJSBH","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NOEF23ZN","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NOEF23ZNF3IIJSBH3J7OWUW2KV","target":"record","payload":{"canonical_record":{"source":{"id":"1611.00396","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-11-01T21:14:26Z","cross_cats_sorted":["cond-mat.quant-gas","physics.optics","quant-ph"],"title_canon_sha256":"e16e79537380ac68db26950e743a111f1dfaff99655aa6864d57736cb2c038fe","abstract_canon_sha256":"6a9c46ea1d4b1847f842e181c172f6c7143e9abfef601dae9cf171c59b659bd3"},"schema_version":"1.0"},"canonical_sha256":"6b885d6f2d2ed084c827da7eeb52da55741f7620a8d7a42caa942fdaac2643f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:42:44.129424Z","signature_b64":"IqY7v9/E1BnmifV7Bzm2Er4UbKPbFrW8MHTub1VKXWWocp8rRmok5Pv17VQii3X8TZbVIj9vZChnzrIX3VidCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b885d6f2d2ed084c827da7eeb52da55741f7620a8d7a42caa942fdaac2643f1","last_reissued_at":"2026-05-18T00:42:44.128670Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:42:44.128670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1611.00396","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":"2026-05-18T00:42:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GeGQmdyP8DEkHmIiiqVkkugrt/d5U6EUCQ5lT/uzD3pOJdA1cH2EygiM/4mLcPK9C3GxBKj5dLl83MgJ6n7dCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:45:57.491356Z"},"content_sha256":"76c937d41436cbaab034c0f3ef1c5e5acd07f66433b72d90e326635c05863922","schema_version":"1.0","event_id":"sha256:76c937d41436cbaab034c0f3ef1c5e5acd07f66433b72d90e326635c05863922"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NOEF23ZNF3IIJSBH3J7OWUW2KV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parity-time-symmetric quantum critical phenomena","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.optics","quant-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Masahito Ueda, Shunsuke Furukawa, Yuto Ashida","submitted_at":"2016-11-01T21:14:26Z","abstract_excerpt":"Synthetic nonconservative systems with parity-time (PT) symmetric gain-loss structures can exhibit unusual spontaneous symmetry breaking that accompanies spectral singularity. Recent studies on PT symmetry in optics and weakly interacting open quantum systems have revealed intriguing physical properties, yet many-body correlations still play no role. Here by extending the idea of PT symmetry to strongly correlated many-body systems, we report that a combination of spectral singularity and quantum criticality yields an exotic universality class which has no counterpart in known critical phenome"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.00396","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":""},"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":"2026-05-18T00:42:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UwGXk57DXdJ+0EYSkobVukR43GrDKzAY+JXR5CpVJTq50uc1LfOEEzmLNmtzyyZ4KsJZwJBuOj2c6eKW36eAAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:45:57.492127Z"},"content_sha256":"42873a08da5516280edf961028440d964933193e2d1c2bc9ea06728777dc23f4","schema_version":"1.0","event_id":"sha256:42873a08da5516280edf961028440d964933193e2d1c2bc9ea06728777dc23f4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NOEF23ZNF3IIJSBH3J7OWUW2KV/bundle.json","state_url":"https://pith.science/pith/NOEF23ZNF3IIJSBH3J7OWUW2KV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NOEF23ZNF3IIJSBH3J7OWUW2KV/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":"2026-05-31T15:45:57Z","links":{"resolver":"https://pith.science/pith/NOEF23ZNF3IIJSBH3J7OWUW2KV","bundle":"https://pith.science/pith/NOEF23ZNF3IIJSBH3J7OWUW2KV/bundle.json","state":"https://pith.science/pith/NOEF23ZNF3IIJSBH3J7OWUW2KV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NOEF23ZNF3IIJSBH3J7OWUW2KV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NOEF23ZNF3IIJSBH3J7OWUW2KV","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":"6a9c46ea1d4b1847f842e181c172f6c7143e9abfef601dae9cf171c59b659bd3","cross_cats_sorted":["cond-mat.quant-gas","physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-11-01T21:14:26Z","title_canon_sha256":"e16e79537380ac68db26950e743a111f1dfaff99655aa6864d57736cb2c038fe"},"schema_version":"1.0","source":{"id":"1611.00396","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1611.00396","created_at":"2026-05-18T00:42:44Z"},{"alias_kind":"arxiv_version","alias_value":"1611.00396v2","created_at":"2026-05-18T00:42:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1611.00396","created_at":"2026-05-18T00:42:44Z"},{"alias_kind":"pith_short_12","alias_value":"NOEF23ZNF3II","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NOEF23ZNF3IIJSBH","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NOEF23ZN","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:42873a08da5516280edf961028440d964933193e2d1c2bc9ea06728777dc23f4","target":"graph","created_at":"2026-05-18T00:42:44Z","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"},"paper":{"abstract_excerpt":"Synthetic nonconservative systems with parity-time (PT) symmetric gain-loss structures can exhibit unusual spontaneous symmetry breaking that accompanies spectral singularity. Recent studies on PT symmetry in optics and weakly interacting open quantum systems have revealed intriguing physical properties, yet many-body correlations still play no role. Here by extending the idea of PT symmetry to strongly correlated many-body systems, we report that a combination of spectral singularity and quantum criticality yields an exotic universality class which has no counterpart in known critical phenome","authors_text":"Masahito Ueda, Shunsuke Furukawa, Yuto Ashida","cross_cats":["cond-mat.quant-gas","physics.optics","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-11-01T21:14:26Z","title":"Parity-time-symmetric quantum critical phenomena"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1611.00396","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":"sha256:76c937d41436cbaab034c0f3ef1c5e5acd07f66433b72d90e326635c05863922","target":"record","created_at":"2026-05-18T00:42:44Z","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":"6a9c46ea1d4b1847f842e181c172f6c7143e9abfef601dae9cf171c59b659bd3","cross_cats_sorted":["cond-mat.quant-gas","physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2016-11-01T21:14:26Z","title_canon_sha256":"e16e79537380ac68db26950e743a111f1dfaff99655aa6864d57736cb2c038fe"},"schema_version":"1.0","source":{"id":"1611.00396","kind":"arxiv","version":2}},"canonical_sha256":"6b885d6f2d2ed084c827da7eeb52da55741f7620a8d7a42caa942fdaac2643f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b885d6f2d2ed084c827da7eeb52da55741f7620a8d7a42caa942fdaac2643f1","first_computed_at":"2026-05-18T00:42:44.128670Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:42:44.128670Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IqY7v9/E1BnmifV7Bzm2Er4UbKPbFrW8MHTub1VKXWWocp8rRmok5Pv17VQii3X8TZbVIj9vZChnzrIX3VidCA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:42:44.129424Z","signed_message":"canonical_sha256_bytes"},"source_id":"1611.00396","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76c937d41436cbaab034c0f3ef1c5e5acd07f66433b72d90e326635c05863922","sha256:42873a08da5516280edf961028440d964933193e2d1c2bc9ea06728777dc23f4"],"state_sha256":"d55d3e72dc489ead08d0e7d9541f9d514cda8f4c45cbfa61a3cee80fa0bbd611"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cxUrKJebn9nJD2BXI7H06DKxLsQKFv0aGKleGxegotMZLFh5czPxJR/KNZd2SJsCaaanXheBW+EvUdQN/sOfAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T15:45:57.495774Z","bundle_sha256":"dd6730115e46f12198db2a22183886ccaf01e5c71378e54da0b7e6e3c67bbadf"}}