{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KMZC7IQOP3DNCZKVOIXESFM25F","short_pith_number":"pith:KMZC7IQO","canonical_record":{"source":{"id":"1801.10077","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-30T16:05:59Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"2354c2158d5cc0b7b1350dc5ac1dfc2524a0b08dc103173b93402433f99cbec9","abstract_canon_sha256":"552851ae1d6403c19f3cf444318eee7a7357faff7cd95c64bed703013e014b3f"},"schema_version":"1.0"},"canonical_sha256":"53322fa20e7ec6d16555722e49159ae9788a75b23a1a24d8642a2765317e4054","source":{"kind":"arxiv","id":"1801.10077","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.10077","created_at":"2026-05-18T00:10:03Z"},{"alias_kind":"arxiv_version","alias_value":"1801.10077v2","created_at":"2026-05-18T00:10:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.10077","created_at":"2026-05-18T00:10:03Z"},{"alias_kind":"pith_short_12","alias_value":"KMZC7IQOP3DN","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KMZC7IQOP3DNCZKV","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KMZC7IQO","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KMZC7IQOP3DNCZKVOIXESFM25F","target":"record","payload":{"canonical_record":{"source":{"id":"1801.10077","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-30T16:05:59Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"2354c2158d5cc0b7b1350dc5ac1dfc2524a0b08dc103173b93402433f99cbec9","abstract_canon_sha256":"552851ae1d6403c19f3cf444318eee7a7357faff7cd95c64bed703013e014b3f"},"schema_version":"1.0"},"canonical_sha256":"53322fa20e7ec6d16555722e49159ae9788a75b23a1a24d8642a2765317e4054","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:03.073857Z","signature_b64":"3/aIsogu2B/P4rHHn6JYKO3xrX37Uey3DpH+uGsNF2gFMamFfvNoQbt1ogb/T8F78iDjVyXV+/nP9m6NvkaZDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53322fa20e7ec6d16555722e49159ae9788a75b23a1a24d8642a2765317e4054","last_reissued_at":"2026-05-18T00:10:03.073213Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:03.073213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.10077","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:10:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4wUUeJqdq0QJ/awnoIFqrnV5IvhS1jRwlbQzR7oYB88FJnSR9cX36w8aHdrQGxAQn+e3Rc6u3UhrrFNMKY6LAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:17:16.031498Z"},"content_sha256":"08e5b85b19a933cb5e65bc9c35b078a9ee6f488e5986fe7217be0149a4b4d16d","schema_version":"1.0","event_id":"sha256:08e5b85b19a933cb5e65bc9c35b078a9ee6f488e5986fe7217be0149a4b4d16d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KMZC7IQOP3DNCZKVOIXESFM25F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Observation of density-dependent gauge fields in a Bose-Einstein condensate based on micromotion control in a shaken two-dimensional lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Anita Gaj, Brandon M. Anderson, Cheng Chin, Kathy Levin, Lei Feng, Logan W. Clark","submitted_at":"2018-01-30T16:05:59Z","abstract_excerpt":"We demonstrate a density-dependent gauge field, induced by atomic interactions, for quantum gases. The gauge field results from the synchronous coupling between the interactions and micromotion of the atoms in a modulated two-dimensional optical lattice. As a first step, we show that a coherent shaking of the lattice in two directions can couple the momentum and interactions of atoms and break the four-fold symmetry of the lattice. We then create a full interaction-induced gauge field by modulating the interaction strength in synchrony with the lattice shaking. When a condensate is loaded into"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.10077","kind":"arxiv","version":2},"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":"2026-05-18T00:10:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"As63d0hDzN/Net6r9T75kbGXM9eAQDzYT5jsEJ0l5Xn/MSglkMhI2bsofiNT7Szmdbyj9ut4RVCpM9d+Jbg5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T11:17:16.031852Z"},"content_sha256":"65e083d00fbd59a02948d03ace8bd269193964a1f1b03cbb846b203bf777a591","schema_version":"1.0","event_id":"sha256:65e083d00fbd59a02948d03ace8bd269193964a1f1b03cbb846b203bf777a591"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KMZC7IQOP3DNCZKVOIXESFM25F/bundle.json","state_url":"https://pith.science/pith/KMZC7IQOP3DNCZKVOIXESFM25F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KMZC7IQOP3DNCZKVOIXESFM25F/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":"2026-05-27T11:17:16Z","links":{"resolver":"https://pith.science/pith/KMZC7IQOP3DNCZKVOIXESFM25F","bundle":"https://pith.science/pith/KMZC7IQOP3DNCZKVOIXESFM25F/bundle.json","state":"https://pith.science/pith/KMZC7IQOP3DNCZKVOIXESFM25F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KMZC7IQOP3DNCZKVOIXESFM25F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KMZC7IQOP3DNCZKVOIXESFM25F","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":"552851ae1d6403c19f3cf444318eee7a7357faff7cd95c64bed703013e014b3f","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-30T16:05:59Z","title_canon_sha256":"2354c2158d5cc0b7b1350dc5ac1dfc2524a0b08dc103173b93402433f99cbec9"},"schema_version":"1.0","source":{"id":"1801.10077","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.10077","created_at":"2026-05-18T00:10:03Z"},{"alias_kind":"arxiv_version","alias_value":"1801.10077v2","created_at":"2026-05-18T00:10:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.10077","created_at":"2026-05-18T00:10:03Z"},{"alias_kind":"pith_short_12","alias_value":"KMZC7IQOP3DN","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KMZC7IQOP3DNCZKV","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KMZC7IQO","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:65e083d00fbd59a02948d03ace8bd269193964a1f1b03cbb846b203bf777a591","target":"graph","created_at":"2026-05-18T00:10:03Z","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 demonstrate a density-dependent gauge field, induced by atomic interactions, for quantum gases. The gauge field results from the synchronous coupling between the interactions and micromotion of the atoms in a modulated two-dimensional optical lattice. As a first step, we show that a coherent shaking of the lattice in two directions can couple the momentum and interactions of atoms and break the four-fold symmetry of the lattice. We then create a full interaction-induced gauge field by modulating the interaction strength in synchrony with the lattice shaking. When a condensate is loaded into","authors_text":"Anita Gaj, Brandon M. Anderson, Cheng Chin, Kathy Levin, Lei Feng, Logan W. Clark","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-30T16:05:59Z","title":"Observation of density-dependent gauge fields in a Bose-Einstein condensate based on micromotion control in a shaken two-dimensional lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.10077","kind":"arxiv","version":2},"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":"sha256:08e5b85b19a933cb5e65bc9c35b078a9ee6f488e5986fe7217be0149a4b4d16d","target":"record","created_at":"2026-05-18T00:10:03Z","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":"552851ae1d6403c19f3cf444318eee7a7357faff7cd95c64bed703013e014b3f","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2018-01-30T16:05:59Z","title_canon_sha256":"2354c2158d5cc0b7b1350dc5ac1dfc2524a0b08dc103173b93402433f99cbec9"},"schema_version":"1.0","source":{"id":"1801.10077","kind":"arxiv","version":2}},"canonical_sha256":"53322fa20e7ec6d16555722e49159ae9788a75b23a1a24d8642a2765317e4054","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53322fa20e7ec6d16555722e49159ae9788a75b23a1a24d8642a2765317e4054","first_computed_at":"2026-05-18T00:10:03.073213Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:03.073213Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3/aIsogu2B/P4rHHn6JYKO3xrX37Uey3DpH+uGsNF2gFMamFfvNoQbt1ogb/T8F78iDjVyXV+/nP9m6NvkaZDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:03.073857Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.10077","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08e5b85b19a933cb5e65bc9c35b078a9ee6f488e5986fe7217be0149a4b4d16d","sha256:65e083d00fbd59a02948d03ace8bd269193964a1f1b03cbb846b203bf777a591"],"state_sha256":"821f62431aaf35f4dd38ba080a9dd821f3598cb9e99cd924f417e9d70e952967"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ENm1DAMTlCwp4WbR20cHf0+r0uCfiDGvUgTnBZHunhw/hZZxX6kXOUsXpuX1NJQ2FBhXED9OGMEqw4ul0P77BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T11:17:16.033963Z","bundle_sha256":"0bdb5c25eeebc3a12cf4c1242a09ede1cfc28a0f7f8393baf0b2c5d0b93067c9"}}