{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:BPQZE3J6SXJ4YJSR65OB2M52VV","short_pith_number":"pith:BPQZE3J6","canonical_record":{"source":{"id":"1805.08950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-23T03:39:44Z","cross_cats_sorted":[],"title_canon_sha256":"357a5e8c098f10237b5593a7b89fbd00dd404626e6e93e5df9677fe9fbedb87b","abstract_canon_sha256":"2c42af8fc35a02f7ece414311d6dfe8b435b6798cd48c9df61211efc3225753e"},"schema_version":"1.0"},"canonical_sha256":"0be1926d3e95d3cc2651f75c1d33baad73ae734e0c8eaaba97885770502636ab","source":{"kind":"arxiv","id":"1805.08950","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.08950","created_at":"2026-05-17T23:59:08Z"},{"alias_kind":"arxiv_version","alias_value":"1805.08950v1","created_at":"2026-05-17T23:59:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.08950","created_at":"2026-05-17T23:59:08Z"},{"alias_kind":"pith_short_12","alias_value":"BPQZE3J6SXJ4","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BPQZE3J6SXJ4YJSR","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BPQZE3J6","created_at":"2026-05-18T12:32:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:BPQZE3J6SXJ4YJSR65OB2M52VV","target":"record","payload":{"canonical_record":{"source":{"id":"1805.08950","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-23T03:39:44Z","cross_cats_sorted":[],"title_canon_sha256":"357a5e8c098f10237b5593a7b89fbd00dd404626e6e93e5df9677fe9fbedb87b","abstract_canon_sha256":"2c42af8fc35a02f7ece414311d6dfe8b435b6798cd48c9df61211efc3225753e"},"schema_version":"1.0"},"canonical_sha256":"0be1926d3e95d3cc2651f75c1d33baad73ae734e0c8eaaba97885770502636ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:08.881202Z","signature_b64":"gVrota5F0vl2oQRNqy3z9Ee5niYTSJOrOz89RTDolaOEPzHby1SvoqNo6FvlMMw51Kh3GV6+bBXuB5ZaVWEqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0be1926d3e95d3cc2651f75c1d33baad73ae734e0c8eaaba97885770502636ab","last_reissued_at":"2026-05-17T23:59:08.880543Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:08.880543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.08950","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":"2026-05-17T23:59:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ig6l6MJ+zd60uHCvbvfiofhRqJH1k4xAtBxUF4fE+Rk8jD0qFqJgSg76pzX4PHHxLlPVWspx1jYduYm0i50WAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:48:57.035532Z"},"content_sha256":"06ef48118434eff075b026cb80fb728c69e1c26133e833a4a4d64a3b5a98266f","schema_version":"1.0","event_id":"sha256:06ef48118434eff075b026cb80fb728c69e1c26133e833a4a4d64a3b5a98266f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:BPQZE3J6SXJ4YJSR65OB2M52VV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Critical Vortex Shedding in a Strongly Interacting Fermionic Superfluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Bumsuk Ko, Jee Woo Park, Yong-il Shin","submitted_at":"2018-05-23T03:39:44Z","abstract_excerpt":"We study the critical vortex shedding in a strongly interacting fermionic superfluid of $^{6}$Li across the BEC-BCS crossover. By moving an optical obstacle in the sample and directly imaging the vortices after time of flight, the critical velocity $v_{{\\rm c}}$ for vortex shedding is measured as a function of the obstacle travel distance $L$. The observed $v_{\\rm c}$ increases with decreasing $L$, where the rate of increase is the highest in the unitary regime. In the deep BEC regime, an empirical dissipation model well captures the dependence of $v_{{\\rm c}}$ on $L$, characterized by a const"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.08950","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":"2026-05-17T23:59:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xkA7gvNTAQYrVp+jXFutHVQgARE/jCGuanFRiazW2LPZTCDtWHf5zfbwoXT1y4eqUG/gGiWD/h4TEScIyXidCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:48:57.036197Z"},"content_sha256":"bd82da2769fc963f2af96b485b9d02edf55ef709936080717cf69cfa19cafc3d","schema_version":"1.0","event_id":"sha256:bd82da2769fc963f2af96b485b9d02edf55ef709936080717cf69cfa19cafc3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BPQZE3J6SXJ4YJSR65OB2M52VV/bundle.json","state_url":"https://pith.science/pith/BPQZE3J6SXJ4YJSR65OB2M52VV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BPQZE3J6SXJ4YJSR65OB2M52VV/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":"2026-06-06T08:48:57Z","links":{"resolver":"https://pith.science/pith/BPQZE3J6SXJ4YJSR65OB2M52VV","bundle":"https://pith.science/pith/BPQZE3J6SXJ4YJSR65OB2M52VV/bundle.json","state":"https://pith.science/pith/BPQZE3J6SXJ4YJSR65OB2M52VV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BPQZE3J6SXJ4YJSR65OB2M52VV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:BPQZE3J6SXJ4YJSR65OB2M52VV","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":"2c42af8fc35a02f7ece414311d6dfe8b435b6798cd48c9df61211efc3225753e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-23T03:39:44Z","title_canon_sha256":"357a5e8c098f10237b5593a7b89fbd00dd404626e6e93e5df9677fe9fbedb87b"},"schema_version":"1.0","source":{"id":"1805.08950","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.08950","created_at":"2026-05-17T23:59:08Z"},{"alias_kind":"arxiv_version","alias_value":"1805.08950v1","created_at":"2026-05-17T23:59:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.08950","created_at":"2026-05-17T23:59:08Z"},{"alias_kind":"pith_short_12","alias_value":"BPQZE3J6SXJ4","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_16","alias_value":"BPQZE3J6SXJ4YJSR","created_at":"2026-05-18T12:32:16Z"},{"alias_kind":"pith_short_8","alias_value":"BPQZE3J6","created_at":"2026-05-18T12:32:16Z"}],"graph_snapshots":[{"event_id":"sha256:bd82da2769fc963f2af96b485b9d02edf55ef709936080717cf69cfa19cafc3d","target":"graph","created_at":"2026-05-17T23:59:08Z","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 study the critical vortex shedding in a strongly interacting fermionic superfluid of $^{6}$Li across the BEC-BCS crossover. By moving an optical obstacle in the sample and directly imaging the vortices after time of flight, the critical velocity $v_{{\\rm c}}$ for vortex shedding is measured as a function of the obstacle travel distance $L$. The observed $v_{\\rm c}$ increases with decreasing $L$, where the rate of increase is the highest in the unitary regime. In the deep BEC regime, an empirical dissipation model well captures the dependence of $v_{{\\rm c}}$ on $L$, characterized by a const","authors_text":"Bumsuk Ko, Jee Woo Park, Yong-il Shin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-23T03:39:44Z","title":"Critical Vortex Shedding in a Strongly Interacting Fermionic Superfluid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.08950","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":"sha256:06ef48118434eff075b026cb80fb728c69e1c26133e833a4a4d64a3b5a98266f","target":"record","created_at":"2026-05-17T23:59:08Z","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":"2c42af8fc35a02f7ece414311d6dfe8b435b6798cd48c9df61211efc3225753e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-05-23T03:39:44Z","title_canon_sha256":"357a5e8c098f10237b5593a7b89fbd00dd404626e6e93e5df9677fe9fbedb87b"},"schema_version":"1.0","source":{"id":"1805.08950","kind":"arxiv","version":1}},"canonical_sha256":"0be1926d3e95d3cc2651f75c1d33baad73ae734e0c8eaaba97885770502636ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0be1926d3e95d3cc2651f75c1d33baad73ae734e0c8eaaba97885770502636ab","first_computed_at":"2026-05-17T23:59:08.880543Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:08.880543Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gVrota5F0vl2oQRNqy3z9Ee5niYTSJOrOz89RTDolaOEPzHby1SvoqNo6FvlMMw51Kh3GV6+bBXuB5ZaVWEqCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:08.881202Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.08950","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:06ef48118434eff075b026cb80fb728c69e1c26133e833a4a4d64a3b5a98266f","sha256:bd82da2769fc963f2af96b485b9d02edf55ef709936080717cf69cfa19cafc3d"],"state_sha256":"59511fcf93dd0f5f3ca9916eb51ea9fced66ffc2642db6c1d1037181cb04b154"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GUd04sy6ujXnA4JOX3VZFBwtIy6DczjmYmWhBpw9kRtv0lHMQKxJpSkjmfneW6pyrJxfb4ehlLObD1fbcWeCCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T08:48:57.039707Z","bundle_sha256":"4279ee0f4f41bba1a25efbbf4d61c369f311a24943b0a97892e0c745dd9c747a"}}