{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:TFOWPLQ24XVORVWF2QAIOKWYE4","short_pith_number":"pith:TFOWPLQ2","canonical_record":{"source":{"id":"1401.1352","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T11:59:02Z","cross_cats_sorted":[],"title_canon_sha256":"8e90dc0b768ae2ad4df5d5b46162d16fa59bd9721d0119ae9153c3dee8f8ac81","abstract_canon_sha256":"1d3333082946f8405ce2990df267ca3afedb4ab6e647bcb3fc87bc0e1d9ff0a5"},"schema_version":"1.0"},"canonical_sha256":"995d67ae1ae5eae8d6c5d400872ad8271b3da25709facefdccde6d27453aeb2d","source":{"kind":"arxiv","id":"1401.1352","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.1352","created_at":"2026-05-18T01:45:33Z"},{"alias_kind":"arxiv_version","alias_value":"1401.1352v1","created_at":"2026-05-18T01:45:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1352","created_at":"2026-05-18T01:45:33Z"},{"alias_kind":"pith_short_12","alias_value":"TFOWPLQ24XVO","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TFOWPLQ24XVORVWF","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TFOWPLQ2","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:TFOWPLQ24XVORVWF2QAIOKWYE4","target":"record","payload":{"canonical_record":{"source":{"id":"1401.1352","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T11:59:02Z","cross_cats_sorted":[],"title_canon_sha256":"8e90dc0b768ae2ad4df5d5b46162d16fa59bd9721d0119ae9153c3dee8f8ac81","abstract_canon_sha256":"1d3333082946f8405ce2990df267ca3afedb4ab6e647bcb3fc87bc0e1d9ff0a5"},"schema_version":"1.0"},"canonical_sha256":"995d67ae1ae5eae8d6c5d400872ad8271b3da25709facefdccde6d27453aeb2d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:45:33.266891Z","signature_b64":"ERSloYdDHyXACQxIHFrt8HM+EMTa1ibt6Kj5K/cqb4YuSWlMCsi5i7UtrQDUKybVlLeY1hlnbvTAxR0oTqZPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"995d67ae1ae5eae8d6c5d400872ad8271b3da25709facefdccde6d27453aeb2d","last_reissued_at":"2026-05-18T01:45:33.266303Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:45:33.266303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1401.1352","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":"2026-05-18T01:45:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WPVft7OONNCP2YAsmsLidog1wx2UQ/Q1reK4jGYBoafKCWHUfVm4C1aQZ1efYjHlzf1FqqhaYh3NsgfAJU7FAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:46.062022Z"},"content_sha256":"e5fa85895906efd46a33704b5b5da616b4803526b94695766665d70967d5a663","schema_version":"1.0","event_id":"sha256:e5fa85895906efd46a33704b5b5da616b4803526b94695766665d70967d5a663"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:TFOWPLQ24XVORVWF2QAIOKWYE4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fast transitionless expansions of Gaussian anharmonic traps for cold atoms: bang-singular-bang control","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"J. Alonso, J. G. Muga, Xiao-Jing Lu, Xi Chen","submitted_at":"2014-01-07T11:59:02Z","abstract_excerpt":"Combining invariant-based inverse engineering, perturbation theory, and Optimal Control Theory, we design fast, transitionless expansions of cold neutral atoms or ions in Gaussian anharmonic traps. Bounding the possible trap frequencies and using a \"bang-singular-bang\" control we find fast processes for a continuum of durations up to a minimum time that corresponds to a purely bang-bang (stepwise frequency constant) control."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1352","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":"2026-05-18T01:45:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"82MHgwpFR6uBgoyCmeTXtiSIwDrGAjgkFsS/dVATYjizKADxOS11C01G1mIreY00d1t7h58jdXOF25Gzi3L1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:46.062705Z"},"content_sha256":"b061880f2bdb2a3b52d25c46e04323b76b674d6116e19255c2fd680faea9fcc4","schema_version":"1.0","event_id":"sha256:b061880f2bdb2a3b52d25c46e04323b76b674d6116e19255c2fd680faea9fcc4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TFOWPLQ24XVORVWF2QAIOKWYE4/bundle.json","state_url":"https://pith.science/pith/TFOWPLQ24XVORVWF2QAIOKWYE4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TFOWPLQ24XVORVWF2QAIOKWYE4/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":"2026-05-28T20:48:46Z","links":{"resolver":"https://pith.science/pith/TFOWPLQ24XVORVWF2QAIOKWYE4","bundle":"https://pith.science/pith/TFOWPLQ24XVORVWF2QAIOKWYE4/bundle.json","state":"https://pith.science/pith/TFOWPLQ24XVORVWF2QAIOKWYE4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TFOWPLQ24XVORVWF2QAIOKWYE4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:TFOWPLQ24XVORVWF2QAIOKWYE4","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":"1d3333082946f8405ce2990df267ca3afedb4ab6e647bcb3fc87bc0e1d9ff0a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T11:59:02Z","title_canon_sha256":"8e90dc0b768ae2ad4df5d5b46162d16fa59bd9721d0119ae9153c3dee8f8ac81"},"schema_version":"1.0","source":{"id":"1401.1352","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1401.1352","created_at":"2026-05-18T01:45:33Z"},{"alias_kind":"arxiv_version","alias_value":"1401.1352v1","created_at":"2026-05-18T01:45:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1401.1352","created_at":"2026-05-18T01:45:33Z"},{"alias_kind":"pith_short_12","alias_value":"TFOWPLQ24XVO","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"TFOWPLQ24XVORVWF","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"TFOWPLQ2","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:b061880f2bdb2a3b52d25c46e04323b76b674d6116e19255c2fd680faea9fcc4","target":"graph","created_at":"2026-05-18T01:45:33Z","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":"Combining invariant-based inverse engineering, perturbation theory, and Optimal Control Theory, we design fast, transitionless expansions of cold neutral atoms or ions in Gaussian anharmonic traps. Bounding the possible trap frequencies and using a \"bang-singular-bang\" control we find fast processes for a continuum of durations up to a minimum time that corresponds to a purely bang-bang (stepwise frequency constant) control.","authors_text":"J. Alonso, J. G. Muga, Xiao-Jing Lu, Xi Chen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T11:59:02Z","title":"Fast transitionless expansions of Gaussian anharmonic traps for cold atoms: bang-singular-bang control"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1401.1352","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:e5fa85895906efd46a33704b5b5da616b4803526b94695766665d70967d5a663","target":"record","created_at":"2026-05-18T01:45:33Z","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":"1d3333082946f8405ce2990df267ca3afedb4ab6e647bcb3fc87bc0e1d9ff0a5","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-01-07T11:59:02Z","title_canon_sha256":"8e90dc0b768ae2ad4df5d5b46162d16fa59bd9721d0119ae9153c3dee8f8ac81"},"schema_version":"1.0","source":{"id":"1401.1352","kind":"arxiv","version":1}},"canonical_sha256":"995d67ae1ae5eae8d6c5d400872ad8271b3da25709facefdccde6d27453aeb2d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"995d67ae1ae5eae8d6c5d400872ad8271b3da25709facefdccde6d27453aeb2d","first_computed_at":"2026-05-18T01:45:33.266303Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:45:33.266303Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ERSloYdDHyXACQxIHFrt8HM+EMTa1ibt6Kj5K/cqb4YuSWlMCsi5i7UtrQDUKybVlLeY1hlnbvTAxR0oTqZPDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:45:33.266891Z","signed_message":"canonical_sha256_bytes"},"source_id":"1401.1352","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5fa85895906efd46a33704b5b5da616b4803526b94695766665d70967d5a663","sha256:b061880f2bdb2a3b52d25c46e04323b76b674d6116e19255c2fd680faea9fcc4"],"state_sha256":"519655f35a63e9b49dcf431c1faa8e04cd0655632b4a1976a9ed4e620ca8848f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GV5w1kw/2mP1JeypbSukmybzYFQCF0fJiJETpLbXgpb8qBRHTf4oIaSDsAuToRVQWsWCWlNocQUFHUzEuthzDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:48:46.066286Z","bundle_sha256":"db7afad4b428d9aceef45dfa6275a6cf78383faa27a8e421ee72e46a80fe4f88"}}