{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:3S6ASWNK4CUIPWDEWC5UXD3CLZ","short_pith_number":"pith:3S6ASWNK","canonical_record":{"source":{"id":"1303.0640","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-03-04T08:36:45Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"4692bcb48f390ccdbc2d21514ae3ceab1b5cf6d15cc14a15667cad4594515aa1","abstract_canon_sha256":"cb53266b4058f8510bf3318f817682282527335eaf907d928323ffa368556910"},"schema_version":"1.0"},"canonical_sha256":"dcbc0959aae0a887d864b0bb4b8f625e5d99fdca935a3771dc573603c186e4b4","source":{"kind":"arxiv","id":"1303.0640","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0640","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0640v3","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0640","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"pith_short_12","alias_value":"3S6ASWNK4CUI","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3S6ASWNK4CUIPWDE","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3S6ASWNK","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:3S6ASWNK4CUIPWDEWC5UXD3CLZ","target":"record","payload":{"canonical_record":{"source":{"id":"1303.0640","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-03-04T08:36:45Z","cross_cats_sorted":["physics.flu-dyn"],"title_canon_sha256":"4692bcb48f390ccdbc2d21514ae3ceab1b5cf6d15cc14a15667cad4594515aa1","abstract_canon_sha256":"cb53266b4058f8510bf3318f817682282527335eaf907d928323ffa368556910"},"schema_version":"1.0"},"canonical_sha256":"dcbc0959aae0a887d864b0bb4b8f625e5d99fdca935a3771dc573603c186e4b4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:17.535036Z","signature_b64":"KRM4FSd10B3tFL1J73DStuBOEvzkVF0vOPDxJB5gdqyuAX2xXnz06n3LcaPehiuepr8S9QeptR+0mczR4E65CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dcbc0959aae0a887d864b0bb4b8f625e5d99fdca935a3771dc573603c186e4b4","last_reissued_at":"2026-05-18T01:51:17.534455Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:17.534455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.0640","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:51:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yW5SX29+R74t1wNwos7aY0UEE+v69ecgP0o8670fCD2WmrDNWlGzopX3g8OKB5elN4oYTtNViT2aJ8e8bOwrDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T16:48:22.384954Z"},"content_sha256":"bc50b2fa6143291941bed9cef929c224f417826190f867d2f061fa60f5291553","schema_version":"1.0","event_id":"sha256:bc50b2fa6143291941bed9cef929c224f417826190f867d2f061fa60f5291553"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:3S6ASWNK4CUIPWDEWC5UXD3CLZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Topological stirring of two-dimensional atomic Bose-Einstein condensates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.flu-dyn"],"primary_cat":"cond-mat.quant-gas","authors_text":"Angela White, Carlo Barenghi, Nick Proukakis","submitted_at":"2013-03-04T08:36:45Z","abstract_excerpt":"We stir vortices into a trapped quasi two-dimensional atomic Bose-Einstein condensate by moving three laser stirrers. We apply stirring protocols introduced by Boyland et. al. (2000) that efficiently build in topological chaos in classical fluids and are classified as Pseudo-Anosov stirring protocols. These are compared to their inefficient mixing counterparts, finite-order stirring protocols. We investigate if inefficient stirring protocols result in a more clustered distribution of vortices. The efficiency with which vortices are 'mixed' or distributed in a condensate is important for invest"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0640","kind":"arxiv","version":3},"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":"2026-05-18T01:51:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lZx2wXMGyB9TF7QnPd1vNafPOztJhu+2kowmQkLIh/OWmtyqLkKUCWWgjSDoFZFiMi+nP1mVUZnAILmR4CLPCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-25T16:48:22.385306Z"},"content_sha256":"765bf4e63338b70a89222619aaaf4e9654ef5c6f36c78eb478b4698b0dfc2de4","schema_version":"1.0","event_id":"sha256:765bf4e63338b70a89222619aaaf4e9654ef5c6f36c78eb478b4698b0dfc2de4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3S6ASWNK4CUIPWDEWC5UXD3CLZ/bundle.json","state_url":"https://pith.science/pith/3S6ASWNK4CUIPWDEWC5UXD3CLZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3S6ASWNK4CUIPWDEWC5UXD3CLZ/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":"2026-06-25T16:48:22Z","links":{"resolver":"https://pith.science/pith/3S6ASWNK4CUIPWDEWC5UXD3CLZ","bundle":"https://pith.science/pith/3S6ASWNK4CUIPWDEWC5UXD3CLZ/bundle.json","state":"https://pith.science/pith/3S6ASWNK4CUIPWDEWC5UXD3CLZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3S6ASWNK4CUIPWDEWC5UXD3CLZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3S6ASWNK4CUIPWDEWC5UXD3CLZ","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":"cb53266b4058f8510bf3318f817682282527335eaf907d928323ffa368556910","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-03-04T08:36:45Z","title_canon_sha256":"4692bcb48f390ccdbc2d21514ae3ceab1b5cf6d15cc14a15667cad4594515aa1"},"schema_version":"1.0","source":{"id":"1303.0640","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.0640","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"arxiv_version","alias_value":"1303.0640v3","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.0640","created_at":"2026-05-18T01:51:17Z"},{"alias_kind":"pith_short_12","alias_value":"3S6ASWNK4CUI","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3S6ASWNK4CUIPWDE","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3S6ASWNK","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:765bf4e63338b70a89222619aaaf4e9654ef5c6f36c78eb478b4698b0dfc2de4","target":"graph","created_at":"2026-05-18T01:51:17Z","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 stir vortices into a trapped quasi two-dimensional atomic Bose-Einstein condensate by moving three laser stirrers. We apply stirring protocols introduced by Boyland et. al. (2000) that efficiently build in topological chaos in classical fluids and are classified as Pseudo-Anosov stirring protocols. These are compared to their inefficient mixing counterparts, finite-order stirring protocols. We investigate if inefficient stirring protocols result in a more clustered distribution of vortices. The efficiency with which vortices are 'mixed' or distributed in a condensate is important for invest","authors_text":"Angela White, Carlo Barenghi, Nick Proukakis","cross_cats":["physics.flu-dyn"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-03-04T08:36:45Z","title":"Topological stirring of two-dimensional atomic Bose-Einstein condensates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.0640","kind":"arxiv","version":3},"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:bc50b2fa6143291941bed9cef929c224f417826190f867d2f061fa60f5291553","target":"record","created_at":"2026-05-18T01:51:17Z","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":"cb53266b4058f8510bf3318f817682282527335eaf907d928323ffa368556910","cross_cats_sorted":["physics.flu-dyn"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2013-03-04T08:36:45Z","title_canon_sha256":"4692bcb48f390ccdbc2d21514ae3ceab1b5cf6d15cc14a15667cad4594515aa1"},"schema_version":"1.0","source":{"id":"1303.0640","kind":"arxiv","version":3}},"canonical_sha256":"dcbc0959aae0a887d864b0bb4b8f625e5d99fdca935a3771dc573603c186e4b4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dcbc0959aae0a887d864b0bb4b8f625e5d99fdca935a3771dc573603c186e4b4","first_computed_at":"2026-05-18T01:51:17.534455Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:17.534455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KRM4FSd10B3tFL1J73DStuBOEvzkVF0vOPDxJB5gdqyuAX2xXnz06n3LcaPehiuepr8S9QeptR+0mczR4E65CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:17.535036Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.0640","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc50b2fa6143291941bed9cef929c224f417826190f867d2f061fa60f5291553","sha256:765bf4e63338b70a89222619aaaf4e9654ef5c6f36c78eb478b4698b0dfc2de4"],"state_sha256":"0bad9b3687f865295c90d5b29b5b74786f3213327526bb09a9518ea118757b53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+7R94IdZx9anGxzicVbtDQwIcxWG2eqfNpjhJTtGsrtQWz0wxPZswe4DcEkBtxwWIcpIz7a3G5l7CJJSy4xUCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-25T16:48:22.387293Z","bundle_sha256":"dd4a1e8ca37345742af0ff819818a034fa08720f499d1dc78080ce38a62deb6e"}}