{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:T7HL7LVNWD24N4KAMVCHKNFDMG","short_pith_number":"pith:T7HL7LVN","canonical_record":{"source":{"id":"1812.00840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-03T15:35:17Z","cross_cats_sorted":[],"title_canon_sha256":"020e4b7a06f394f9cef0dc7f4a4bdcc247735384fda0f527a616cdd3a49000be","abstract_canon_sha256":"c39ce82d58ee6de2e24cb82a9c7379b2c4740bcf833fe2f9b9b057083c454447"},"schema_version":"1.0"},"canonical_sha256":"9fcebfaeadb0f5c6f14065447534a3618fa9a9e545aaccb7dca2ed1e6f350aa6","source":{"kind":"arxiv","id":"1812.00840","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.00840","created_at":"2026-05-17T23:44:12Z"},{"alias_kind":"arxiv_version","alias_value":"1812.00840v1","created_at":"2026-05-17T23:44:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.00840","created_at":"2026-05-17T23:44:12Z"},{"alias_kind":"pith_short_12","alias_value":"T7HL7LVNWD24","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T7HL7LVNWD24N4KA","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T7HL7LVN","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:T7HL7LVNWD24N4KAMVCHKNFDMG","target":"record","payload":{"canonical_record":{"source":{"id":"1812.00840","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-03T15:35:17Z","cross_cats_sorted":[],"title_canon_sha256":"020e4b7a06f394f9cef0dc7f4a4bdcc247735384fda0f527a616cdd3a49000be","abstract_canon_sha256":"c39ce82d58ee6de2e24cb82a9c7379b2c4740bcf833fe2f9b9b057083c454447"},"schema_version":"1.0"},"canonical_sha256":"9fcebfaeadb0f5c6f14065447534a3618fa9a9e545aaccb7dca2ed1e6f350aa6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:44:12.748829Z","signature_b64":"Ggc8TQkw0Lvl17Vd7AX4dgKiwu4p+bkPVyAZkvSwC0wdKgkY3Dn7cGx34fD9k+BA14QKcCr7wiz7SCwpPWKtDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fcebfaeadb0f5c6f14065447534a3618fa9a9e545aaccb7dca2ed1e6f350aa6","last_reissued_at":"2026-05-17T23:44:12.748295Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:44:12.748295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1812.00840","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":"2026-05-17T23:44:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z26fitwl9cFtndW8tFqpGZD1S6WDUCu/8KkyGma5ld6LVxHDilPHJ7mXqQaOQA7ZLaIJzjbXmAwDzlfUecKNDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T16:24:21.908622Z"},"content_sha256":"68a4e3717bf04722193dc12b42deb60d1c8ccf0f38f257bc043c7011c1b85c86","schema_version":"1.0","event_id":"sha256:68a4e3717bf04722193dc12b42deb60d1c8ccf0f38f257bc043c7011c1b85c86"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:T7HL7LVNWD24N4KAMVCHKNFDMG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Collective Dynamics and Atom Loss in Bright Soliton Matter Waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Daniel Longenecker, Erich J. Mueller","submitted_at":"2018-12-03T15:35:17Z","abstract_excerpt":"Motivated by recent experiments, we model the dynamics of bright solitons formed by cold gases in quasi-1D traps. A dynamical variational ansatz captures the far-from equilibrium excitations of these solitons. Due to a separation of scales, the radial and axial modes decouple, allowing for closed-form approximations for the dynamics. We explore how soliton dynamics influence atom loss, and find that the time-averaged loss is largely insensitive to the degree of excitation. The variational approach enables us to perform high precision calculations of the critical atom number (ie. the maximum nu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.00840","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":"2026-05-17T23:44:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"emm14zUEFxbEubvG6kNRr4rqNpASwuu6zXzR+yh9N/SocR+2BL6NeGkQ2rptQnzQau/ZWyOdLu2blP7S5d4FAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T16:24:21.908969Z"},"content_sha256":"1ec85b19c5deb5c6654fbe7b8aeed3c3865f62fd633a7808ec1ce8b987eeab1a","schema_version":"1.0","event_id":"sha256:1ec85b19c5deb5c6654fbe7b8aeed3c3865f62fd633a7808ec1ce8b987eeab1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T7HL7LVNWD24N4KAMVCHKNFDMG/bundle.json","state_url":"https://pith.science/pith/T7HL7LVNWD24N4KAMVCHKNFDMG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T7HL7LVNWD24N4KAMVCHKNFDMG/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":"2026-06-01T16:24:21Z","links":{"resolver":"https://pith.science/pith/T7HL7LVNWD24N4KAMVCHKNFDMG","bundle":"https://pith.science/pith/T7HL7LVNWD24N4KAMVCHKNFDMG/bundle.json","state":"https://pith.science/pith/T7HL7LVNWD24N4KAMVCHKNFDMG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T7HL7LVNWD24N4KAMVCHKNFDMG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:T7HL7LVNWD24N4KAMVCHKNFDMG","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":"c39ce82d58ee6de2e24cb82a9c7379b2c4740bcf833fe2f9b9b057083c454447","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-03T15:35:17Z","title_canon_sha256":"020e4b7a06f394f9cef0dc7f4a4bdcc247735384fda0f527a616cdd3a49000be"},"schema_version":"1.0","source":{"id":"1812.00840","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1812.00840","created_at":"2026-05-17T23:44:12Z"},{"alias_kind":"arxiv_version","alias_value":"1812.00840v1","created_at":"2026-05-17T23:44:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.00840","created_at":"2026-05-17T23:44:12Z"},{"alias_kind":"pith_short_12","alias_value":"T7HL7LVNWD24","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"T7HL7LVNWD24N4KA","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"T7HL7LVN","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:1ec85b19c5deb5c6654fbe7b8aeed3c3865f62fd633a7808ec1ce8b987eeab1a","target":"graph","created_at":"2026-05-17T23:44:12Z","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":"Motivated by recent experiments, we model the dynamics of bright solitons formed by cold gases in quasi-1D traps. A dynamical variational ansatz captures the far-from equilibrium excitations of these solitons. Due to a separation of scales, the radial and axial modes decouple, allowing for closed-form approximations for the dynamics. We explore how soliton dynamics influence atom loss, and find that the time-averaged loss is largely insensitive to the degree of excitation. The variational approach enables us to perform high precision calculations of the critical atom number (ie. the maximum nu","authors_text":"Daniel Longenecker, Erich J. Mueller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-03T15:35:17Z","title":"Collective Dynamics and Atom Loss in Bright Soliton Matter Waves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.00840","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":"sha256:68a4e3717bf04722193dc12b42deb60d1c8ccf0f38f257bc043c7011c1b85c86","target":"record","created_at":"2026-05-17T23:44:12Z","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":"c39ce82d58ee6de2e24cb82a9c7379b2c4740bcf833fe2f9b9b057083c454447","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-12-03T15:35:17Z","title_canon_sha256":"020e4b7a06f394f9cef0dc7f4a4bdcc247735384fda0f527a616cdd3a49000be"},"schema_version":"1.0","source":{"id":"1812.00840","kind":"arxiv","version":1}},"canonical_sha256":"9fcebfaeadb0f5c6f14065447534a3618fa9a9e545aaccb7dca2ed1e6f350aa6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9fcebfaeadb0f5c6f14065447534a3618fa9a9e545aaccb7dca2ed1e6f350aa6","first_computed_at":"2026-05-17T23:44:12.748295Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:44:12.748295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ggc8TQkw0Lvl17Vd7AX4dgKiwu4p+bkPVyAZkvSwC0wdKgkY3Dn7cGx34fD9k+BA14QKcCr7wiz7SCwpPWKtDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:44:12.748829Z","signed_message":"canonical_sha256_bytes"},"source_id":"1812.00840","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:68a4e3717bf04722193dc12b42deb60d1c8ccf0f38f257bc043c7011c1b85c86","sha256:1ec85b19c5deb5c6654fbe7b8aeed3c3865f62fd633a7808ec1ce8b987eeab1a"],"state_sha256":"b8071fcd287ce2bcfef50cea5ccf538ee37961b9a207f85bed0ee7c8a2169153"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hmCtDqrkzJIOPmUuOUMXCCObYZXF4T1L6twZSr4Rd3W/oIqz1KhUDBrMPnaN0zaSCF2iYAZbr2DDcJKAtqKQCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T16:24:21.910880Z","bundle_sha256":"95869d916bd1b6374e5292e8130347c002dc60d76ea7255ec8de7b84b39117d9"}}