{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NDLYAA45I3PHMBLJHLY5I7VYI4","short_pith_number":"pith:NDLYAA45","canonical_record":{"source":{"id":"1602.00909","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-02T12:46:45Z","cross_cats_sorted":["cond-mat.mes-hall","nlin.CD","physics.atom-ph"],"title_canon_sha256":"f8ce3d769c4c0cd7973e876dcbc4e76e4fa920e9d08b0e3e528b35eaa9d3345e","abstract_canon_sha256":"5aa2554bd24b6f5b6633eeb58a1faa8ce90606b450b5eb2fec7cc02e8f02d6f0"},"schema_version":"1.0"},"canonical_sha256":"68d780039d46de7605693af1d47eb8472218802158978a210a3c82d81e50514a","source":{"kind":"arxiv","id":"1602.00909","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.00909","created_at":"2026-05-18T01:11:54Z"},{"alias_kind":"arxiv_version","alias_value":"1602.00909v3","created_at":"2026-05-18T01:11:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.00909","created_at":"2026-05-18T01:11:54Z"},{"alias_kind":"pith_short_12","alias_value":"NDLYAA45I3PH","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NDLYAA45I3PHMBLJ","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NDLYAA45","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NDLYAA45I3PHMBLJHLY5I7VYI4","target":"record","payload":{"canonical_record":{"source":{"id":"1602.00909","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-02T12:46:45Z","cross_cats_sorted":["cond-mat.mes-hall","nlin.CD","physics.atom-ph"],"title_canon_sha256":"f8ce3d769c4c0cd7973e876dcbc4e76e4fa920e9d08b0e3e528b35eaa9d3345e","abstract_canon_sha256":"5aa2554bd24b6f5b6633eeb58a1faa8ce90606b450b5eb2fec7cc02e8f02d6f0"},"schema_version":"1.0"},"canonical_sha256":"68d780039d46de7605693af1d47eb8472218802158978a210a3c82d81e50514a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:11:54.748432Z","signature_b64":"ZSD5CzFBx+Jy026A+eDt4ZHahrgn+8fqZGhyW0iKRFWXxmLEfEOOATNIef2dCIeqP3Wuu2/er41JWHbHvbWjDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68d780039d46de7605693af1d47eb8472218802158978a210a3c82d81e50514a","last_reissued_at":"2026-05-18T01:11:54.748044Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:11:54.748044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.00909","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:11:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yF1ZeP4lJY+B5KDpAHRb5tcZ31uAgC7uzf9R00lzJ531xBc1cdNr4AGaLiWFHq3NsVAP6TWZCDbCNHwZamuHAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T00:27:12.852784Z"},"content_sha256":"b6357706285164a1853427f7c79bd96c0853c3a938b724df3fcbd05db3d0744a","schema_version":"1.0","event_id":"sha256:b6357706285164a1853427f7c79bd96c0853c3a938b724df3fcbd05db3d0744a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NDLYAA45I3PHMBLJHLY5I7VYI4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rydberg systems in parallel electric and magnetic fields: an improved method for finding exceptional points","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","nlin.CD","physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Frank Schweiner, G\\\"unter Wunner, Holger Cartarius, J\\\"org Main, Matthias Feldmaier","submitted_at":"2016-02-02T12:46:45Z","abstract_excerpt":"Exceptional points are special parameter points in spectra of open quantum systems, at which resonance energies degenerate and the associated eigenvectors coalesce. Typical examples are Rydberg systems in parallel electric and magnetic fields, for which we solve the Schr\\\"odinger equation in a complete basis to calculate the resonances and eigenvectors. Starting from an avoided crossing within the parameter-dependent spectra and using a two-dimensional matrix model, we develop an iterative algorithm to calculate the field strengths and resonance energies of exceptional points and to verify the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.00909","kind":"arxiv","version":3},"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":"2026-05-18T01:11:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oug+4ToWTW0rRG6XfMSazvys/Is+dMk0DjvwyJcE7Ki1SymAuRGaUN880BH3ILVQ+tZu5VMgDqPbZpykZXy5DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T00:27:12.853159Z"},"content_sha256":"10fdb73db6f7f1b250706e1c5c387132c3bac4815194b4737f68357a2324eab3","schema_version":"1.0","event_id":"sha256:10fdb73db6f7f1b250706e1c5c387132c3bac4815194b4737f68357a2324eab3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NDLYAA45I3PHMBLJHLY5I7VYI4/bundle.json","state_url":"https://pith.science/pith/NDLYAA45I3PHMBLJHLY5I7VYI4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NDLYAA45I3PHMBLJHLY5I7VYI4/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":"2026-06-24T00:27:12Z","links":{"resolver":"https://pith.science/pith/NDLYAA45I3PHMBLJHLY5I7VYI4","bundle":"https://pith.science/pith/NDLYAA45I3PHMBLJHLY5I7VYI4/bundle.json","state":"https://pith.science/pith/NDLYAA45I3PHMBLJHLY5I7VYI4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NDLYAA45I3PHMBLJHLY5I7VYI4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NDLYAA45I3PHMBLJHLY5I7VYI4","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":"5aa2554bd24b6f5b6633eeb58a1faa8ce90606b450b5eb2fec7cc02e8f02d6f0","cross_cats_sorted":["cond-mat.mes-hall","nlin.CD","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-02T12:46:45Z","title_canon_sha256":"f8ce3d769c4c0cd7973e876dcbc4e76e4fa920e9d08b0e3e528b35eaa9d3345e"},"schema_version":"1.0","source":{"id":"1602.00909","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.00909","created_at":"2026-05-18T01:11:54Z"},{"alias_kind":"arxiv_version","alias_value":"1602.00909v3","created_at":"2026-05-18T01:11:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.00909","created_at":"2026-05-18T01:11:54Z"},{"alias_kind":"pith_short_12","alias_value":"NDLYAA45I3PH","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NDLYAA45I3PHMBLJ","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NDLYAA45","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:10fdb73db6f7f1b250706e1c5c387132c3bac4815194b4737f68357a2324eab3","target":"graph","created_at":"2026-05-18T01:11:54Z","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":"Exceptional points are special parameter points in spectra of open quantum systems, at which resonance energies degenerate and the associated eigenvectors coalesce. Typical examples are Rydberg systems in parallel electric and magnetic fields, for which we solve the Schr\\\"odinger equation in a complete basis to calculate the resonances and eigenvectors. Starting from an avoided crossing within the parameter-dependent spectra and using a two-dimensional matrix model, we develop an iterative algorithm to calculate the field strengths and resonance energies of exceptional points and to verify the","authors_text":"Frank Schweiner, G\\\"unter Wunner, Holger Cartarius, J\\\"org Main, Matthias Feldmaier","cross_cats":["cond-mat.mes-hall","nlin.CD","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-02T12:46:45Z","title":"Rydberg systems in parallel electric and magnetic fields: an improved method for finding exceptional points"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.00909","kind":"arxiv","version":3},"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:b6357706285164a1853427f7c79bd96c0853c3a938b724df3fcbd05db3d0744a","target":"record","created_at":"2026-05-18T01:11:54Z","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":"5aa2554bd24b6f5b6633eeb58a1faa8ce90606b450b5eb2fec7cc02e8f02d6f0","cross_cats_sorted":["cond-mat.mes-hall","nlin.CD","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-02-02T12:46:45Z","title_canon_sha256":"f8ce3d769c4c0cd7973e876dcbc4e76e4fa920e9d08b0e3e528b35eaa9d3345e"},"schema_version":"1.0","source":{"id":"1602.00909","kind":"arxiv","version":3}},"canonical_sha256":"68d780039d46de7605693af1d47eb8472218802158978a210a3c82d81e50514a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68d780039d46de7605693af1d47eb8472218802158978a210a3c82d81e50514a","first_computed_at":"2026-05-18T01:11:54.748044Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:11:54.748044Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZSD5CzFBx+Jy026A+eDt4ZHahrgn+8fqZGhyW0iKRFWXxmLEfEOOATNIef2dCIeqP3Wuu2/er41JWHbHvbWjDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:11:54.748432Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.00909","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6357706285164a1853427f7c79bd96c0853c3a938b724df3fcbd05db3d0744a","sha256:10fdb73db6f7f1b250706e1c5c387132c3bac4815194b4737f68357a2324eab3"],"state_sha256":"6f461459f351f6986d127eff935b3cd8d504cbd244b0d09606d79fd34b90a7c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PtKiz+5j9d6cfnN4k6eMOo84NE3ZiyNqVHDOtRRQMSCC3QZsHWkBJhE7KfLrtBWKLNnVaLR9S1xBQUjWt7XTBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T00:27:12.855352Z","bundle_sha256":"3138c4dc5db76dd9b88931ddda490858fd31832358b5366b841c08bf7a7502c5"}}