{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:Z63KPSZSJ2MQURC5VRD3QR3BNX","short_pith_number":"pith:Z63KPSZS","canonical_record":{"source":{"id":"1910.03520","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2019-10-08T16:26:14Z","cross_cats_sorted":["math-ph","math.MP","nlin.CD"],"title_canon_sha256":"135e3cfb94efb8bf87146977225efa4e8e1158f93f8c2b9aa475012dba53a9bc","abstract_canon_sha256":"45883761454e69390df5c01267f168ed8e9ba0547f23c1892034e6df14bf15fc"},"schema_version":"1.0"},"canonical_sha256":"cfb6a7cb324e990a445dac47b847616dc19e3d32b03cab382fe71cc2b5c339ed","source":{"kind":"arxiv","id":"1910.03520","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.03520","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"arxiv_version","alias_value":"1910.03520v4","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.03520","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"pith_short_12","alias_value":"Z63KPSZSJ2MQ","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"pith_short_16","alias_value":"Z63KPSZSJ2MQURC5","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"pith_short_8","alias_value":"Z63KPSZS","created_at":"2026-07-05T00:28:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:Z63KPSZSJ2MQURC5VRD3QR3BNX","target":"record","payload":{"canonical_record":{"source":{"id":"1910.03520","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2019-10-08T16:26:14Z","cross_cats_sorted":["math-ph","math.MP","nlin.CD"],"title_canon_sha256":"135e3cfb94efb8bf87146977225efa4e8e1158f93f8c2b9aa475012dba53a9bc","abstract_canon_sha256":"45883761454e69390df5c01267f168ed8e9ba0547f23c1892034e6df14bf15fc"},"schema_version":"1.0"},"canonical_sha256":"cfb6a7cb324e990a445dac47b847616dc19e3d32b03cab382fe71cc2b5c339ed","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:28:13.575833Z","signature_b64":"Uny0jPGY07RBiRgsVBUIVHr9Lof+H+a9QKmztMc+QZ6X4yV8/MRO2jw/+6rorQZILIQnKJ/ochJObvT/4p5UAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfb6a7cb324e990a445dac47b847616dc19e3d32b03cab382fe71cc2b5c339ed","last_reissued_at":"2026-07-05T00:28:13.575359Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:28:13.575359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1910.03520","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":"2026-07-05T00:28:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xD1avHSL6zO22+iuHdXOtFbJ49gY6zhFhjrqwBqS7jlck68tK7ARaf+lOjMxRsQPD6ymM7w2dZYA7OSVJqoPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:40:00.820897Z"},"content_sha256":"5767220f83c5d56969f87b9a0cf8a759a5d5c1b4fbc968f60abd92d766dddeab","schema_version":"1.0","event_id":"sha256:5767220f83c5d56969f87b9a0cf8a759a5d5c1b4fbc968f60abd92d766dddeab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:Z63KPSZSJ2MQURC5VRD3QR3BNX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Universal Signature from Integrability to Chaos in Dissipative Open Quantum Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math-ph","math.MP","nlin.CD"],"primary_cat":"cond-mat.stat-mech","authors_text":"Adam Mielke, Gernot Akemann, Mario Kieburg, Tomaz Prosen","submitted_at":"2019-10-08T16:26:14Z","abstract_excerpt":"We study the transition between integrable and chaotic behaviour in dissipative open quantum systems, exemplified by a boundary driven quantum spin-chain. The repulsion between the complex eigenvalues of the corresponding Liouville operator in radial distance $s$ is used as a universal measure. The corresponding level spacing distribution is well fitted by that of a static two-dimensional Coulomb gas with harmonic potential at inverse temperature $\\beta\\in[0,2]$. Here, $\\beta=0$ yields the two-dimensional Poisson distribution, matching the integrable limit of the system, and $\\beta=2$ equals t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.03520","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/1910.03520/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":"2026-07-05T00:28:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Et73xMlActKTPafUx3VxdZFMPy3Wl8wWzKkAq3tA45kxsRHmdrnX/D6B7mDnYCwHVoUkAnk6q8cNGEx9Uf6Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:40:00.821815Z"},"content_sha256":"da272adb1675d0695f3e245202a824f85b9377e3ef9596905f44879d0515b43a","schema_version":"1.0","event_id":"sha256:da272adb1675d0695f3e245202a824f85b9377e3ef9596905f44879d0515b43a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z63KPSZSJ2MQURC5VRD3QR3BNX/bundle.json","state_url":"https://pith.science/pith/Z63KPSZSJ2MQURC5VRD3QR3BNX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z63KPSZSJ2MQURC5VRD3QR3BNX/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":"2026-08-04T20:40:00Z","links":{"resolver":"https://pith.science/pith/Z63KPSZSJ2MQURC5VRD3QR3BNX","bundle":"https://pith.science/pith/Z63KPSZSJ2MQURC5VRD3QR3BNX/bundle.json","state":"https://pith.science/pith/Z63KPSZSJ2MQURC5VRD3QR3BNX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z63KPSZSJ2MQURC5VRD3QR3BNX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Z63KPSZSJ2MQURC5VRD3QR3BNX","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":"45883761454e69390df5c01267f168ed8e9ba0547f23c1892034e6df14bf15fc","cross_cats_sorted":["math-ph","math.MP","nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2019-10-08T16:26:14Z","title_canon_sha256":"135e3cfb94efb8bf87146977225efa4e8e1158f93f8c2b9aa475012dba53a9bc"},"schema_version":"1.0","source":{"id":"1910.03520","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1910.03520","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"arxiv_version","alias_value":"1910.03520v4","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1910.03520","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"pith_short_12","alias_value":"Z63KPSZSJ2MQ","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"pith_short_16","alias_value":"Z63KPSZSJ2MQURC5","created_at":"2026-07-05T00:28:13Z"},{"alias_kind":"pith_short_8","alias_value":"Z63KPSZS","created_at":"2026-07-05T00:28:13Z"}],"graph_snapshots":[{"event_id":"sha256:da272adb1675d0695f3e245202a824f85b9377e3ef9596905f44879d0515b43a","target":"graph","created_at":"2026-07-05T00:28:13Z","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/1910.03520/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the transition between integrable and chaotic behaviour in dissipative open quantum systems, exemplified by a boundary driven quantum spin-chain. The repulsion between the complex eigenvalues of the corresponding Liouville operator in radial distance $s$ is used as a universal measure. The corresponding level spacing distribution is well fitted by that of a static two-dimensional Coulomb gas with harmonic potential at inverse temperature $\\beta\\in[0,2]$. Here, $\\beta=0$ yields the two-dimensional Poisson distribution, matching the integrable limit of the system, and $\\beta=2$ equals t","authors_text":"Adam Mielke, Gernot Akemann, Mario Kieburg, Tomaz Prosen","cross_cats":["math-ph","math.MP","nlin.CD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2019-10-08T16:26:14Z","title":"Universal Signature from Integrability to Chaos in Dissipative Open Quantum Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1910.03520","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":"sha256:5767220f83c5d56969f87b9a0cf8a759a5d5c1b4fbc968f60abd92d766dddeab","target":"record","created_at":"2026-07-05T00:28:13Z","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":"45883761454e69390df5c01267f168ed8e9ba0547f23c1892034e6df14bf15fc","cross_cats_sorted":["math-ph","math.MP","nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2019-10-08T16:26:14Z","title_canon_sha256":"135e3cfb94efb8bf87146977225efa4e8e1158f93f8c2b9aa475012dba53a9bc"},"schema_version":"1.0","source":{"id":"1910.03520","kind":"arxiv","version":4}},"canonical_sha256":"cfb6a7cb324e990a445dac47b847616dc19e3d32b03cab382fe71cc2b5c339ed","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfb6a7cb324e990a445dac47b847616dc19e3d32b03cab382fe71cc2b5c339ed","first_computed_at":"2026-07-05T00:28:13.575359Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:28:13.575359Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Uny0jPGY07RBiRgsVBUIVHr9Lof+H+a9QKmztMc+QZ6X4yV8/MRO2jw/+6rorQZILIQnKJ/ochJObvT/4p5UAw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:28:13.575833Z","signed_message":"canonical_sha256_bytes"},"source_id":"1910.03520","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5767220f83c5d56969f87b9a0cf8a759a5d5c1b4fbc968f60abd92d766dddeab","sha256:da272adb1675d0695f3e245202a824f85b9377e3ef9596905f44879d0515b43a"],"state_sha256":"07806b3ffe7de8661d42c1caf1252cfc08e4d3741185d5cf41eb41dde170bfe7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2tGh1JMwf639DQCWBKxUD+MptZdQNkuufgpr0xW+A9e6sv700AsCSzWi8z26xurNM3T+b9GDLSdcoddRkBb+CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T20:40:00.827860Z","bundle_sha256":"9e03b99498787c372eea39c1f2fcce00487312af0d7245e5c33fe5136c7b27fa"}}