{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:Q2SRU5I2BYL3WWBYWGIENCG75V","short_pith_number":"pith:Q2SRU5I2","canonical_record":{"source":{"id":"1109.1853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-08T22:23:33Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"64f7a0a7cfc6717cff5c07b3c7ffcc927adac300d1b5c88453a51d3267bfb14c","abstract_canon_sha256":"dcede005ffd58c061e05d450758a0d3a1c79432ec2824af663cb49b5761bae40"},"schema_version":"1.0"},"canonical_sha256":"86a51a751a0e17bb5838b1904688dfed4401b65edab5eeb768294da34afe65fa","source":{"kind":"arxiv","id":"1109.1853","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.1853","created_at":"2026-05-18T04:10:58Z"},{"alias_kind":"arxiv_version","alias_value":"1109.1853v1","created_at":"2026-05-18T04:10:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1853","created_at":"2026-05-18T04:10:58Z"},{"alias_kind":"pith_short_12","alias_value":"Q2SRU5I2BYL3","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"Q2SRU5I2BYL3WWBY","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"Q2SRU5I2","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:Q2SRU5I2BYL3WWBYWGIENCG75V","target":"record","payload":{"canonical_record":{"source":{"id":"1109.1853","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-08T22:23:33Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"64f7a0a7cfc6717cff5c07b3c7ffcc927adac300d1b5c88453a51d3267bfb14c","abstract_canon_sha256":"dcede005ffd58c061e05d450758a0d3a1c79432ec2824af663cb49b5761bae40"},"schema_version":"1.0"},"canonical_sha256":"86a51a751a0e17bb5838b1904688dfed4401b65edab5eeb768294da34afe65fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:10:58.346299Z","signature_b64":"7LQqDO+ROUPoZ7+nkAHmxQmF7xrvwWwMjbbOLxX6aJnEwhp/354FGSBxTJ46fJY0w/qe2idgq6c/TWmpRrhWBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86a51a751a0e17bb5838b1904688dfed4401b65edab5eeb768294da34afe65fa","last_reissued_at":"2026-05-18T04:10:58.345585Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:10:58.345585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.1853","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":"2026-05-18T04:10:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nUb6ExZLBR19+94tQD6JE356+DkVKWoVgrfnUU5Mcehvnu1wPzrPrx7GGUJMdfCFx/IY1qNXVQaUL+d080sDBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:30:20.622196Z"},"content_sha256":"201dab1e195a8f0904db58951d6fe226f5331af76e6744709bcec2e9dd61b710","schema_version":"1.0","event_id":"sha256:201dab1e195a8f0904db58951d6fe226f5331af76e6744709bcec2e9dd61b710"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:Q2SRU5I2BYL3WWBYWGIENCG75V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Engineering mesoscopic superpositions of superfluid flow","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"quant-ph","authors_text":"David W. Hallwood, Joachim Brand","submitted_at":"2011-09-08T22:23:33Z","abstract_excerpt":"Modeling strongly correlated atoms demonstrates the possibility to prepare quantum superpositions that are robust against experimental imperfections and temperature. Such superpositions of vortex states are formed by adiabatic manipulation of interacting ultracold atoms confined to a one-dimensional ring trapping potential when stirred by a barrier. Here, we discuss the influence of non-ideal experimental procedures and finite temperature. Adiabaticity conditions for changing the stirring rate reveal that superpositions of many atoms are most easily accessed in the strongly-interacting, Tonks-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1853","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":"2026-05-18T04:10:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hDKmsBoucGfeCUUt6g8ABVYfJX4zegWmRUaHXnACjdwrj6XAsxwAkTiBePMjTMmfNQIjeMgI+SEQME9Pt7ujBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T02:30:20.622726Z"},"content_sha256":"ae5c6f743cef9cd66ca91690189c301178de9e49afd2d1c0ab5ceb7cebd80ab1","schema_version":"1.0","event_id":"sha256:ae5c6f743cef9cd66ca91690189c301178de9e49afd2d1c0ab5ceb7cebd80ab1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2SRU5I2BYL3WWBYWGIENCG75V/bundle.json","state_url":"https://pith.science/pith/Q2SRU5I2BYL3WWBYWGIENCG75V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2SRU5I2BYL3WWBYWGIENCG75V/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":"2026-05-27T02:30:20Z","links":{"resolver":"https://pith.science/pith/Q2SRU5I2BYL3WWBYWGIENCG75V","bundle":"https://pith.science/pith/Q2SRU5I2BYL3WWBYWGIENCG75V/bundle.json","state":"https://pith.science/pith/Q2SRU5I2BYL3WWBYWGIENCG75V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2SRU5I2BYL3WWBYWGIENCG75V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:Q2SRU5I2BYL3WWBYWGIENCG75V","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":"dcede005ffd58c061e05d450758a0d3a1c79432ec2824af663cb49b5761bae40","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-08T22:23:33Z","title_canon_sha256":"64f7a0a7cfc6717cff5c07b3c7ffcc927adac300d1b5c88453a51d3267bfb14c"},"schema_version":"1.0","source":{"id":"1109.1853","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.1853","created_at":"2026-05-18T04:10:58Z"},{"alias_kind":"arxiv_version","alias_value":"1109.1853v1","created_at":"2026-05-18T04:10:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.1853","created_at":"2026-05-18T04:10:58Z"},{"alias_kind":"pith_short_12","alias_value":"Q2SRU5I2BYL3","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"Q2SRU5I2BYL3WWBY","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"Q2SRU5I2","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:ae5c6f743cef9cd66ca91690189c301178de9e49afd2d1c0ab5ceb7cebd80ab1","target":"graph","created_at":"2026-05-18T04:10:58Z","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":"Modeling strongly correlated atoms demonstrates the possibility to prepare quantum superpositions that are robust against experimental imperfections and temperature. Such superpositions of vortex states are formed by adiabatic manipulation of interacting ultracold atoms confined to a one-dimensional ring trapping potential when stirred by a barrier. Here, we discuss the influence of non-ideal experimental procedures and finite temperature. Adiabaticity conditions for changing the stirring rate reveal that superpositions of many atoms are most easily accessed in the strongly-interacting, Tonks-","authors_text":"David W. Hallwood, Joachim Brand","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-08T22:23:33Z","title":"Engineering mesoscopic superpositions of superfluid flow"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.1853","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":"sha256:201dab1e195a8f0904db58951d6fe226f5331af76e6744709bcec2e9dd61b710","target":"record","created_at":"2026-05-18T04:10:58Z","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":"dcede005ffd58c061e05d450758a0d3a1c79432ec2824af663cb49b5761bae40","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-09-08T22:23:33Z","title_canon_sha256":"64f7a0a7cfc6717cff5c07b3c7ffcc927adac300d1b5c88453a51d3267bfb14c"},"schema_version":"1.0","source":{"id":"1109.1853","kind":"arxiv","version":1}},"canonical_sha256":"86a51a751a0e17bb5838b1904688dfed4401b65edab5eeb768294da34afe65fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86a51a751a0e17bb5838b1904688dfed4401b65edab5eeb768294da34afe65fa","first_computed_at":"2026-05-18T04:10:58.345585Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:10:58.345585Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7LQqDO+ROUPoZ7+nkAHmxQmF7xrvwWwMjbbOLxX6aJnEwhp/354FGSBxTJ46fJY0w/qe2idgq6c/TWmpRrhWBg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:10:58.346299Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.1853","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:201dab1e195a8f0904db58951d6fe226f5331af76e6744709bcec2e9dd61b710","sha256:ae5c6f743cef9cd66ca91690189c301178de9e49afd2d1c0ab5ceb7cebd80ab1"],"state_sha256":"1241a02ec60581f4275ded1f112a01c330b87d6197bf922b215a0eff340a12cd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G5jJRwByWNUb8BM5HHHJrfPkpcAbnWeYwPVFWH3mmmotBrKqR8P3dY4lXQDnCmAyc8sQnB12NyVZ0R5RJtLDCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T02:30:20.625256Z","bundle_sha256":"5e23cbc7d27c8170fc668ecef5c5f5abec5b45b74d5770db5746783d52ff1a30"}}