{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:R4RJFLC4B3QLDKVRUP45P3OX5R","short_pith_number":"pith:R4RJFLC4","canonical_record":{"source":{"id":"1408.0158","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-01T12:52:11Z","cross_cats_sorted":["cond-mat.quant-gas","nlin.CD"],"title_canon_sha256":"7eb0ae819664ded953696b4e1aa5b0b818c7b42ab3689ebbfa91a0cfd090b82f","abstract_canon_sha256":"6dfff011c03ecb0b90e4cbfb5e5bb4e4e380c8ee1112bd4966d35ecf49e90973"},"schema_version":"1.0"},"canonical_sha256":"8f2292ac5c0ee0b1aab1a3f9d7edd7ec4668f7b4080ba7b1046a73382491ab0b","source":{"kind":"arxiv","id":"1408.0158","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.0158","created_at":"2026-05-18T02:34:44Z"},{"alias_kind":"arxiv_version","alias_value":"1408.0158v1","created_at":"2026-05-18T02:34:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0158","created_at":"2026-05-18T02:34:44Z"},{"alias_kind":"pith_short_12","alias_value":"R4RJFLC4B3QL","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"R4RJFLC4B3QLDKVR","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"R4RJFLC4","created_at":"2026-05-18T12:28:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:R4RJFLC4B3QLDKVRUP45P3OX5R","target":"record","payload":{"canonical_record":{"source":{"id":"1408.0158","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-01T12:52:11Z","cross_cats_sorted":["cond-mat.quant-gas","nlin.CD"],"title_canon_sha256":"7eb0ae819664ded953696b4e1aa5b0b818c7b42ab3689ebbfa91a0cfd090b82f","abstract_canon_sha256":"6dfff011c03ecb0b90e4cbfb5e5bb4e4e380c8ee1112bd4966d35ecf49e90973"},"schema_version":"1.0"},"canonical_sha256":"8f2292ac5c0ee0b1aab1a3f9d7edd7ec4668f7b4080ba7b1046a73382491ab0b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:34:44.765437Z","signature_b64":"nIBU5MsaSe4BbLcnNy82CvNlGdMVoNM/vYNZVIXbLp9+oZhWlr1Yq3KyXO7as5XeJMi6AO4aWxD6PBtg9W4wBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8f2292ac5c0ee0b1aab1a3f9d7edd7ec4668f7b4080ba7b1046a73382491ab0b","last_reissued_at":"2026-05-18T02:34:44.765032Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:34:44.765032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.0158","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:34:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SZ+OfsdJiYlL6AT0g/PGwBZOrJ9jN3x2ovr9l0FF28aZ+sj7yN45ZL4dJCkUPll98QBO7qc8cu7J0tIvFD3pCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T22:26:26.944409Z"},"content_sha256":"a006c4d8d6a68c5f564d75ce8d58f399d4deec8b5a43a56a1d67b080daaaebc1","schema_version":"1.0","event_id":"sha256:a006c4d8d6a68c5f564d75ce8d58f399d4deec8b5a43a56a1d67b080daaaebc1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:R4RJFLC4B3QLDKVRUP45P3OX5R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Realizing PT-symmetric non-Hermiticity with ultra-cold atoms and Hermitian multi-well potentials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","nlin.CD"],"primary_cat":"quant-ph","authors_text":"G\\\"unter Wunner, Holger Cartarius, J\\\"org Main, Manuel Kreibich","submitted_at":"2014-08-01T12:52:11Z","abstract_excerpt":"We discuss the possibility of realizing a non-Hermitian, i.e. an open two-well system of ultra-cold atoms by enclosing it with additional time-dependent wells that serve as particle reservoirs. With the appropriate design of the additional wells PT-symmetric currents can be induced to and from the inner wells, which support stable solutions. We show that interaction in the mean-field limit does not destroy this property. As a first method we use a simplified variational ansatz leading to a discrete nonlinear Schr\\\"odinger equation. A more accurate and more general variational ansatz is then us"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0158","kind":"arxiv","version":1},"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":"2026-05-18T02:34:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qhmtawakT5ByE3YWAoANW0YDYyCHdY2pAVz8JBldN/mXyJSiMjyLKbMh6IRmXe21dEDTK+CclBSZwO+lixxECA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T22:26:26.945217Z"},"content_sha256":"4a1470b55e70863d9f4875fddf0500df61a5a6a2ae51b1d403bcd959c6d5d9bb","schema_version":"1.0","event_id":"sha256:4a1470b55e70863d9f4875fddf0500df61a5a6a2ae51b1d403bcd959c6d5d9bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R4RJFLC4B3QLDKVRUP45P3OX5R/bundle.json","state_url":"https://pith.science/pith/R4RJFLC4B3QLDKVRUP45P3OX5R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R4RJFLC4B3QLDKVRUP45P3OX5R/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":"2026-06-10T22:26:26Z","links":{"resolver":"https://pith.science/pith/R4RJFLC4B3QLDKVRUP45P3OX5R","bundle":"https://pith.science/pith/R4RJFLC4B3QLDKVRUP45P3OX5R/bundle.json","state":"https://pith.science/pith/R4RJFLC4B3QLDKVRUP45P3OX5R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R4RJFLC4B3QLDKVRUP45P3OX5R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:R4RJFLC4B3QLDKVRUP45P3OX5R","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":"6dfff011c03ecb0b90e4cbfb5e5bb4e4e380c8ee1112bd4966d35ecf49e90973","cross_cats_sorted":["cond-mat.quant-gas","nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-01T12:52:11Z","title_canon_sha256":"7eb0ae819664ded953696b4e1aa5b0b818c7b42ab3689ebbfa91a0cfd090b82f"},"schema_version":"1.0","source":{"id":"1408.0158","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.0158","created_at":"2026-05-18T02:34:44Z"},{"alias_kind":"arxiv_version","alias_value":"1408.0158v1","created_at":"2026-05-18T02:34:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.0158","created_at":"2026-05-18T02:34:44Z"},{"alias_kind":"pith_short_12","alias_value":"R4RJFLC4B3QL","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_16","alias_value":"R4RJFLC4B3QLDKVR","created_at":"2026-05-18T12:28:46Z"},{"alias_kind":"pith_short_8","alias_value":"R4RJFLC4","created_at":"2026-05-18T12:28:46Z"}],"graph_snapshots":[{"event_id":"sha256:4a1470b55e70863d9f4875fddf0500df61a5a6a2ae51b1d403bcd959c6d5d9bb","target":"graph","created_at":"2026-05-18T02:34:44Z","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":"We discuss the possibility of realizing a non-Hermitian, i.e. an open two-well system of ultra-cold atoms by enclosing it with additional time-dependent wells that serve as particle reservoirs. With the appropriate design of the additional wells PT-symmetric currents can be induced to and from the inner wells, which support stable solutions. We show that interaction in the mean-field limit does not destroy this property. As a first method we use a simplified variational ansatz leading to a discrete nonlinear Schr\\\"odinger equation. A more accurate and more general variational ansatz is then us","authors_text":"G\\\"unter Wunner, Holger Cartarius, J\\\"org Main, Manuel Kreibich","cross_cats":["cond-mat.quant-gas","nlin.CD"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-01T12:52:11Z","title":"Realizing PT-symmetric non-Hermiticity with ultra-cold atoms and Hermitian multi-well potentials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.0158","kind":"arxiv","version":1},"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:a006c4d8d6a68c5f564d75ce8d58f399d4deec8b5a43a56a1d67b080daaaebc1","target":"record","created_at":"2026-05-18T02:34:44Z","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":"6dfff011c03ecb0b90e4cbfb5e5bb4e4e380c8ee1112bd4966d35ecf49e90973","cross_cats_sorted":["cond-mat.quant-gas","nlin.CD"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-08-01T12:52:11Z","title_canon_sha256":"7eb0ae819664ded953696b4e1aa5b0b818c7b42ab3689ebbfa91a0cfd090b82f"},"schema_version":"1.0","source":{"id":"1408.0158","kind":"arxiv","version":1}},"canonical_sha256":"8f2292ac5c0ee0b1aab1a3f9d7edd7ec4668f7b4080ba7b1046a73382491ab0b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8f2292ac5c0ee0b1aab1a3f9d7edd7ec4668f7b4080ba7b1046a73382491ab0b","first_computed_at":"2026-05-18T02:34:44.765032Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:34:44.765032Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nIBU5MsaSe4BbLcnNy82CvNlGdMVoNM/vYNZVIXbLp9+oZhWlr1Yq3KyXO7as5XeJMi6AO4aWxD6PBtg9W4wBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:34:44.765437Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.0158","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a006c4d8d6a68c5f564d75ce8d58f399d4deec8b5a43a56a1d67b080daaaebc1","sha256:4a1470b55e70863d9f4875fddf0500df61a5a6a2ae51b1d403bcd959c6d5d9bb"],"state_sha256":"decc7801660ccf0b8ef7436dad6ae5cc7d7c92402416544284a10620d0a71ce0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gcKZBrvcnaMIRiM00e9GDmgamftll1e6iPgFaHNcmcOhQzJzSmT3BeJS6Ujz57HehRQ4gyf7GleB2+3SQEGoBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T22:26:26.949546Z","bundle_sha256":"99319f4b7857bc35f529e95461dce52172d1f7c54dc4eb7adfb2c8e2dc9d7e29"}}