{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:CFXYQ7PFCP5OQJ3DXGGBPBUWSF","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":"9579f8234c6066e01de34feb9acc7b35e8d115a1571f8c69cef3e5621af37d8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-10-18T00:54:11Z","title_canon_sha256":"ab2836017177a54fd33cd18c7f569b95d196779ce84e4ca42404f8b3afaba552"},"schema_version":"1.0","source":{"id":"1110.3858","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.3858","created_at":"2026-05-18T03:58:12Z"},{"alias_kind":"arxiv_version","alias_value":"1110.3858v2","created_at":"2026-05-18T03:58:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.3858","created_at":"2026-05-18T03:58:12Z"},{"alias_kind":"pith_short_12","alias_value":"CFXYQ7PFCP5O","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CFXYQ7PFCP5OQJ3D","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CFXYQ7PF","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:c30caa3f08cb8924ae9bd32c64d4a7bb0e22632e6aa7ed0f70af91686e81f0b6","target":"graph","created_at":"2026-05-18T03:58:12Z","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":"We present the creation and time evolution of two-dimensional Skyrmion excitations in an antiferromagnetic spinor Bose-Einstein condensate. Using a spin rotation method, the Skyrmion spin textures were imprinted on a sodium condensate in a polar phase, where the two-dimensional Skyrmion is topologically protected. The Skyrmion was observed to be stable on a short time scale of a few tens of ms but to have dynamical instability to deform its shape and eventually decay to a uniform spin texture. The deformed spin textures reveal that the decay dynamics involves breaking the polar phase inside th","authors_text":"Jae-yoon Choi, Woo Jin Kwon, Yong-il Shin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-10-18T00:54:11Z","title":"Observation of Topologically Stable 2D Skyrmions in an Antiferromagnetic Spinor Bose-Einstein Condensate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.3858","kind":"arxiv","version":2},"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:f63312abcb1accbfc5fd994bf08cd73df413feef22cd0861940aeaf58d2aa9d4","target":"record","created_at":"2026-05-18T03:58:12Z","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":"9579f8234c6066e01de34feb9acc7b35e8d115a1571f8c69cef3e5621af37d8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-10-18T00:54:11Z","title_canon_sha256":"ab2836017177a54fd33cd18c7f569b95d196779ce84e4ca42404f8b3afaba552"},"schema_version":"1.0","source":{"id":"1110.3858","kind":"arxiv","version":2}},"canonical_sha256":"116f887de513fae82763b98c178696914823ceab952cbfd4aadad0bbfd578262","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"116f887de513fae82763b98c178696914823ceab952cbfd4aadad0bbfd578262","first_computed_at":"2026-05-18T03:58:12.561417Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:58:12.561417Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kaRTneGEpLhe8jpzTWz6dAi9vBVioJ1FLTlGf3LBnEu6E5YxIBwZ5rVoatF9ylJU0IXbm3sfHo4T+LnOcH03BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:58:12.561936Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.3858","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f63312abcb1accbfc5fd994bf08cd73df413feef22cd0861940aeaf58d2aa9d4","sha256:c30caa3f08cb8924ae9bd32c64d4a7bb0e22632e6aa7ed0f70af91686e81f0b6"],"state_sha256":"eccc6a234e1c4bba15352d0e062e41fd28b9439bfe58f629f1867a9f60caaf79"}