{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:CH4AO7VEYA6FQ4MP4YA4QCGSLQ","short_pith_number":"pith:CH4AO7VE","canonical_record":{"source":{"id":"cond-mat/0004449","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2000-04-26T18:07:14Z","cross_cats_sorted":[],"title_canon_sha256":"2c401469cb567f2c1f08a13e5b2997ddea069a8ea0d467481a21cdc1ad3c3296","abstract_canon_sha256":"e347b22a48dc95660a0963069bd4d92be4b5e90beea4c46af14bf3be26df13fc"},"schema_version":"1.0"},"canonical_sha256":"11f8077ea4c03c58718fe601c808d25c3f802628c13e626089f493e66350b29a","source":{"kind":"arxiv","id":"cond-mat/0004449","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0004449","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0004449v1","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0004449","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"pith_short_12","alias_value":"CH4AO7VEYA6F","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"CH4AO7VEYA6FQ4MP","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"CH4AO7VE","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:CH4AO7VEYA6FQ4MP4YA4QCGSLQ","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0004449","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2000-04-26T18:07:14Z","cross_cats_sorted":[],"title_canon_sha256":"2c401469cb567f2c1f08a13e5b2997ddea069a8ea0d467481a21cdc1ad3c3296","abstract_canon_sha256":"e347b22a48dc95660a0963069bd4d92be4b5e90beea4c46af14bf3be26df13fc"},"schema_version":"1.0"},"canonical_sha256":"11f8077ea4c03c58718fe601c808d25c3f802628c13e626089f493e66350b29a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:13.202226Z","signature_b64":"jq7ZzO0wE+BVSyS0OdOZ9ErvbiKgnG2DZG1F5/LAibp6ovwrRu1qqCI6RWftqWbLpYDIdvJ3w6JDyG4aKc74BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"11f8077ea4c03c58718fe601c808d25c3f802628c13e626089f493e66350b29a","last_reissued_at":"2026-05-18T01:07:13.201600Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:13.201600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0004449","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":"2026-05-18T01:07:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UKeOIluR6LWws80MDA0VfkKYsWuRZKmmSdLZhjauVma3u+f7tr8eOUXrnnBWFHnjJyKD0KHRNx6uxBE+9rQJAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T19:11:54.672442Z"},"content_sha256":"24c1565ee1b7b617ad63d41f567de4d2f3ef225861ce52d675a1480eea8236c1","schema_version":"1.0","event_id":"sha256:24c1565ee1b7b617ad63d41f567de4d2f3ef225861ce52d675a1480eea8236c1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:CH4AO7VEYA6FQ4MP4YA4QCGSLQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dark soliton states of Bose-Einstein condensates in anisotropic traps","license":"","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"B.I. Schneider, C.W. Clark, D.L. Feder, L.A. Collins, M.S. Pindzola","submitted_at":"2000-04-26T18:07:14Z","abstract_excerpt":"Dark soliton states of Bose-Einstein condensates in harmonic traps are studied both analytically and computationally by the direct solution of the Gross-Pitaevskii equation in three dimensions. The ground and self-consistent excited states are found numerically by relaxation in imaginary time. The energy of a stationary soliton in a harmonic trap is shown to be independent of density and geometry for large numbers of atoms. Large amplitude field modulation at a frequency resonant with the energy of a dark soliton is found to give rise to a state with multiple vortices. The Bogoliubov excitatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0004449","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":"2026-05-18T01:07:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UxdXY705fIT+SW6eRaDhNM/jOJhfJZ/W0Qo+crPSvM5UNAPAKu9a79IDnu7E6L4vLxiJgcxGqkfsQfP7AVDEDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T19:11:54.672798Z"},"content_sha256":"2d5800c59969f3f1a61ab0eed8337107f67acc65efc1c9c7e5331ee6d5a08b9c","schema_version":"1.0","event_id":"sha256:2d5800c59969f3f1a61ab0eed8337107f67acc65efc1c9c7e5331ee6d5a08b9c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CH4AO7VEYA6FQ4MP4YA4QCGSLQ/bundle.json","state_url":"https://pith.science/pith/CH4AO7VEYA6FQ4MP4YA4QCGSLQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CH4AO7VEYA6FQ4MP4YA4QCGSLQ/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":"2026-06-20T19:11:54Z","links":{"resolver":"https://pith.science/pith/CH4AO7VEYA6FQ4MP4YA4QCGSLQ","bundle":"https://pith.science/pith/CH4AO7VEYA6FQ4MP4YA4QCGSLQ/bundle.json","state":"https://pith.science/pith/CH4AO7VEYA6FQ4MP4YA4QCGSLQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CH4AO7VEYA6FQ4MP4YA4QCGSLQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:CH4AO7VEYA6FQ4MP4YA4QCGSLQ","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":"e347b22a48dc95660a0963069bd4d92be4b5e90beea4c46af14bf3be26df13fc","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2000-04-26T18:07:14Z","title_canon_sha256":"2c401469cb567f2c1f08a13e5b2997ddea069a8ea0d467481a21cdc1ad3c3296"},"schema_version":"1.0","source":{"id":"cond-mat/0004449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0004449","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0004449v1","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0004449","created_at":"2026-05-18T01:07:13Z"},{"alias_kind":"pith_short_12","alias_value":"CH4AO7VEYA6F","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"CH4AO7VEYA6FQ4MP","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"CH4AO7VE","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:2d5800c59969f3f1a61ab0eed8337107f67acc65efc1c9c7e5331ee6d5a08b9c","target":"graph","created_at":"2026-05-18T01:07:13Z","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"},"paper":{"abstract_excerpt":"Dark soliton states of Bose-Einstein condensates in harmonic traps are studied both analytically and computationally by the direct solution of the Gross-Pitaevskii equation in three dimensions. The ground and self-consistent excited states are found numerically by relaxation in imaginary time. The energy of a stationary soliton in a harmonic trap is shown to be independent of density and geometry for large numbers of atoms. Large amplitude field modulation at a frequency resonant with the energy of a dark soliton is found to give rise to a state with multiple vortices. The Bogoliubov excitatio","authors_text":"B.I. Schneider, C.W. Clark, D.L. Feder, L.A. Collins, M.S. Pindzola","cross_cats":[],"headline":"","license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2000-04-26T18:07:14Z","title":"Dark soliton states of Bose-Einstein condensates in anisotropic traps"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0004449","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":"sha256:24c1565ee1b7b617ad63d41f567de4d2f3ef225861ce52d675a1480eea8236c1","target":"record","created_at":"2026-05-18T01:07:13Z","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":"e347b22a48dc95660a0963069bd4d92be4b5e90beea4c46af14bf3be26df13fc","cross_cats_sorted":[],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2000-04-26T18:07:14Z","title_canon_sha256":"2c401469cb567f2c1f08a13e5b2997ddea069a8ea0d467481a21cdc1ad3c3296"},"schema_version":"1.0","source":{"id":"cond-mat/0004449","kind":"arxiv","version":1}},"canonical_sha256":"11f8077ea4c03c58718fe601c808d25c3f802628c13e626089f493e66350b29a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"11f8077ea4c03c58718fe601c808d25c3f802628c13e626089f493e66350b29a","first_computed_at":"2026-05-18T01:07:13.201600Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:13.201600Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jq7ZzO0wE+BVSyS0OdOZ9ErvbiKgnG2DZG1F5/LAibp6ovwrRu1qqCI6RWftqWbLpYDIdvJ3w6JDyG4aKc74BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:13.202226Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0004449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:24c1565ee1b7b617ad63d41f567de4d2f3ef225861ce52d675a1480eea8236c1","sha256:2d5800c59969f3f1a61ab0eed8337107f67acc65efc1c9c7e5331ee6d5a08b9c"],"state_sha256":"f3ae8425c7b4a4fe787eef391b1f42e5f342fbe73778a4257de48c7f3165df63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZVqPgrUkeepZCYS5aUoBhSuFpemu6erTbmCgDTRRdOYdEOTOclSNELiEevHc0WLQmS/vIkm/8zon7wSiPuRAAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T19:11:54.674744Z","bundle_sha256":"0847f711c8410c596d68a817fb3a7d44007317c8ff9dc2ba0a69281ebecb6c1d"}}