{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:SBS56MUEJRVUTTWNT2YHRCZFVM","short_pith_number":"pith:SBS56MUE","canonical_record":{"source":{"id":"1508.00958","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-08-05T02:35:16Z","cross_cats_sorted":[],"title_canon_sha256":"3c4ff702253ccea631c1360a3b3a6c96c8aa67a07604ccd9ea285cb3ab8eaa1b","abstract_canon_sha256":"00e56aed18279d4c71435dfb1c14547f9b96c7ea4809b1e65b932e7a7003414d"},"schema_version":"1.0"},"canonical_sha256":"9065df32844c6b49cecd9eb0788b25ab255d288950e5b714328423acac4c168f","source":{"kind":"arxiv","id":"1508.00958","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00958","created_at":"2026-05-18T01:32:28Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00958v1","created_at":"2026-05-18T01:32:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00958","created_at":"2026-05-18T01:32:28Z"},{"alias_kind":"pith_short_12","alias_value":"SBS56MUEJRVU","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"SBS56MUEJRVUTTWN","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"SBS56MUE","created_at":"2026-05-18T12:29:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:SBS56MUEJRVUTTWNT2YHRCZFVM","target":"record","payload":{"canonical_record":{"source":{"id":"1508.00958","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-08-05T02:35:16Z","cross_cats_sorted":[],"title_canon_sha256":"3c4ff702253ccea631c1360a3b3a6c96c8aa67a07604ccd9ea285cb3ab8eaa1b","abstract_canon_sha256":"00e56aed18279d4c71435dfb1c14547f9b96c7ea4809b1e65b932e7a7003414d"},"schema_version":"1.0"},"canonical_sha256":"9065df32844c6b49cecd9eb0788b25ab255d288950e5b714328423acac4c168f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:32:28.355568Z","signature_b64":"M5WQFnHcRljPGb9uUBfLdjfvcoCR+W0/tQ2aF8qrKlBVVJW7O38CrFivCilTEllS5rydrv5RV6UaVG1NrbyCAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9065df32844c6b49cecd9eb0788b25ab255d288950e5b714328423acac4c168f","last_reissued_at":"2026-05-18T01:32:28.354879Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:32:28.354879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.00958","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":"2026-05-18T01:32:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UvT0CLbw1rilCkRhupC0lPpfysNMNkxK306BKZzeMEkUiSzQ8yP1BJrgskOM987u4yQrNf2ifHjL2N/Zrx4TBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T14:19:31.942790Z"},"content_sha256":"fd46b5a035e1ac4efc3ade4bb63f85d8097443eb805114cf6f85f902896947bd","schema_version":"1.0","event_id":"sha256:fd46b5a035e1ac4efc3ade4bb63f85d8097443eb805114cf6f85f902896947bd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:SBS56MUEJRVUTTWNT2YHRCZFVM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Periodic shedding of vortex dipoles from a moving penetrable obstacle in a Bose-Einstein condensate","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Sang Won Seo, Woo Jin Kwon, Yong-il Shin","submitted_at":"2015-08-05T02:35:16Z","abstract_excerpt":"We investigate vortex shedding from a moving penetrable obstacle in a highly oblate Bose-Einstein condensate. The penetrable obstacle is formed by a repulsive Gaussian laser beam that has the potential barrier height lower than the chemical potential of the condensate. The moving obstacle periodically generates vortex dipoles and the vortex shedding frequency $f_v$ linearly increases with the obstacle velocity $v$ as $f_v=a(v-v_c)$, where $v_c$ is a critical velocity. Based on periodic shedding behavior, we demonstrate deterministic generation of a single vortex dipole by applying a short line"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00958","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":"2026-05-18T01:32:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cHpOmWsJQGdHQlFznH5tt8V4ISnM5085gEy/Ubrb4KVXKEKobW67LhPRGtVND2W31ER5P7H/yaZmSbi2ale6Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T14:19:31.943134Z"},"content_sha256":"866d271776326e51b1bb96110387a41815928897f59974cec63150adae82e76b","schema_version":"1.0","event_id":"sha256:866d271776326e51b1bb96110387a41815928897f59974cec63150adae82e76b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SBS56MUEJRVUTTWNT2YHRCZFVM/bundle.json","state_url":"https://pith.science/pith/SBS56MUEJRVUTTWNT2YHRCZFVM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SBS56MUEJRVUTTWNT2YHRCZFVM/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":"2026-05-20T14:19:31Z","links":{"resolver":"https://pith.science/pith/SBS56MUEJRVUTTWNT2YHRCZFVM","bundle":"https://pith.science/pith/SBS56MUEJRVUTTWNT2YHRCZFVM/bundle.json","state":"https://pith.science/pith/SBS56MUEJRVUTTWNT2YHRCZFVM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SBS56MUEJRVUTTWNT2YHRCZFVM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:SBS56MUEJRVUTTWNT2YHRCZFVM","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":"00e56aed18279d4c71435dfb1c14547f9b96c7ea4809b1e65b932e7a7003414d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-08-05T02:35:16Z","title_canon_sha256":"3c4ff702253ccea631c1360a3b3a6c96c8aa67a07604ccd9ea285cb3ab8eaa1b"},"schema_version":"1.0","source":{"id":"1508.00958","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00958","created_at":"2026-05-18T01:32:28Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00958v1","created_at":"2026-05-18T01:32:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00958","created_at":"2026-05-18T01:32:28Z"},{"alias_kind":"pith_short_12","alias_value":"SBS56MUEJRVU","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_16","alias_value":"SBS56MUEJRVUTTWN","created_at":"2026-05-18T12:29:39Z"},{"alias_kind":"pith_short_8","alias_value":"SBS56MUE","created_at":"2026-05-18T12:29:39Z"}],"graph_snapshots":[{"event_id":"sha256:866d271776326e51b1bb96110387a41815928897f59974cec63150adae82e76b","target":"graph","created_at":"2026-05-18T01:32:28Z","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 investigate vortex shedding from a moving penetrable obstacle in a highly oblate Bose-Einstein condensate. The penetrable obstacle is formed by a repulsive Gaussian laser beam that has the potential barrier height lower than the chemical potential of the condensate. The moving obstacle periodically generates vortex dipoles and the vortex shedding frequency $f_v$ linearly increases with the obstacle velocity $v$ as $f_v=a(v-v_c)$, where $v_c$ is a critical velocity. Based on periodic shedding behavior, we demonstrate deterministic generation of a single vortex dipole by applying a short line","authors_text":"Sang Won Seo, 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":"2015-08-05T02:35:16Z","title":"Periodic shedding of vortex dipoles from a moving penetrable obstacle in a Bose-Einstein condensate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00958","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:fd46b5a035e1ac4efc3ade4bb63f85d8097443eb805114cf6f85f902896947bd","target":"record","created_at":"2026-05-18T01:32:28Z","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":"00e56aed18279d4c71435dfb1c14547f9b96c7ea4809b1e65b932e7a7003414d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2015-08-05T02:35:16Z","title_canon_sha256":"3c4ff702253ccea631c1360a3b3a6c96c8aa67a07604ccd9ea285cb3ab8eaa1b"},"schema_version":"1.0","source":{"id":"1508.00958","kind":"arxiv","version":1}},"canonical_sha256":"9065df32844c6b49cecd9eb0788b25ab255d288950e5b714328423acac4c168f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9065df32844c6b49cecd9eb0788b25ab255d288950e5b714328423acac4c168f","first_computed_at":"2026-05-18T01:32:28.354879Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:32:28.354879Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"M5WQFnHcRljPGb9uUBfLdjfvcoCR+W0/tQ2aF8qrKlBVVJW7O38CrFivCilTEllS5rydrv5RV6UaVG1NrbyCAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:32:28.355568Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.00958","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fd46b5a035e1ac4efc3ade4bb63f85d8097443eb805114cf6f85f902896947bd","sha256:866d271776326e51b1bb96110387a41815928897f59974cec63150adae82e76b"],"state_sha256":"089a26b07390ce33c0a49e5e36f33d7b9b0bd89454906dcf05486eda1d2843d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nz2pQWyvyWWoqvgC6zMFmRHa5zYyBbXvp+bfiFgfFAKxqvWhKStQftcJgP5hJSdS/8PdbmOGy3gUjyG5JkCNCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T14:19:31.945106Z","bundle_sha256":"a9cf1b09025b503885c96dcbf9fd0552fa12a577c7e4a496bda036436856b66f"}}