{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2021:VY6KJUH33L5RKWBB4BN2USBHSP","short_pith_number":"pith:VY6KJUH3","schema_version":"1.0","canonical_sha256":"ae3ca4d0fbdafb155821e05baa482793ddfdb075c13e3bccbc070b2aac19d325","source":{"kind":"arxiv","id":"2107.03709","version":1},"attestation_state":"computed","paper":{"title":"Bose-Einstein condensates in microgravity and fundamental tests of gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Albert Roura, Christian Ufrecht, Wolfgang P. Schleich","submitted_at":"2021-07-08T09:37:42Z","abstract_excerpt":"Light-pulse atom interferometers are highly sensitive to inertial and gravitational effects. As such they are promising candidates for tests of gravitational physics. In this article the state-of-the-art and proposals for fundamental tests of gravity are reviewed. They include the measurement of the gravitational constant $G$, tests of the weak equivalence principle, direct searches of dark energy and gravitational-wave detection. Particular emphasis is put on long-time interferometry in microgravity environments accompanied by an enormous increase of sensitivity. In addition, advantages as we"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2107.03709","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2021-07-08T09:37:42Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"b9b430550ce135685044270711c87fa434407f5190311f966a2722be893133e2","abstract_canon_sha256":"13f276796e036d98aed08628d455ad314628361138b403565b02e11c33bc58d3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:56:18.647568Z","signature_b64":"z+H9TNec/IBX7Cwi5idFKlmRqnv/yspiP7l5bi4mmL8cOJc+hC1JOpkfb249nx7Nbitqd0rddQ+ssjy4rrgyCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae3ca4d0fbdafb155821e05baa482793ddfdb075c13e3bccbc070b2aac19d325","last_reissued_at":"2026-07-05T02:56:18.647203Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:56:18.647203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Bose-Einstein condensates in microgravity and fundamental tests of gravity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Albert Roura, Christian Ufrecht, Wolfgang P. Schleich","submitted_at":"2021-07-08T09:37:42Z","abstract_excerpt":"Light-pulse atom interferometers are highly sensitive to inertial and gravitational effects. As such they are promising candidates for tests of gravitational physics. In this article the state-of-the-art and proposals for fundamental tests of gravity are reviewed. They include the measurement of the gravitational constant $G$, tests of the weak equivalence principle, direct searches of dark energy and gravitational-wave detection. Particular emphasis is put on long-time interferometry in microgravity environments accompanied by an enormous increase of sensitivity. In addition, advantages as we"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.03709","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2107.03709/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2107.03709","created_at":"2026-07-05T02:56:18.647262+00:00"},{"alias_kind":"arxiv_version","alias_value":"2107.03709v1","created_at":"2026-07-05T02:56:18.647262+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.03709","created_at":"2026-07-05T02:56:18.647262+00:00"},{"alias_kind":"pith_short_12","alias_value":"VY6KJUH33L5R","created_at":"2026-07-05T02:56:18.647262+00:00"},{"alias_kind":"pith_short_16","alias_value":"VY6KJUH33L5RKWBB","created_at":"2026-07-05T02:56:18.647262+00:00"},{"alias_kind":"pith_short_8","alias_value":"VY6KJUH3","created_at":"2026-07-05T02:56:18.647262+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":2,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.21702","citing_title":"Journey in quantum metrology and sensing from foundations to applications: a review","ref_index":94,"is_internal_anchor":false},{"citing_arxiv_id":"2605.21702","citing_title":"Journey in quantum metrology and sensing from foundations to applications: a review","ref_index":96,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VY6KJUH33L5RKWBB4BN2USBHSP","json":"https://pith.science/pith/VY6KJUH33L5RKWBB4BN2USBHSP.json","graph_json":"https://pith.science/api/pith-number/VY6KJUH33L5RKWBB4BN2USBHSP/graph.json","events_json":"https://pith.science/api/pith-number/VY6KJUH33L5RKWBB4BN2USBHSP/events.json","paper":"https://pith.science/paper/VY6KJUH3"},"agent_actions":{"view_html":"https://pith.science/pith/VY6KJUH33L5RKWBB4BN2USBHSP","download_json":"https://pith.science/pith/VY6KJUH33L5RKWBB4BN2USBHSP.json","view_paper":"https://pith.science/paper/VY6KJUH3","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2107.03709&json=true","fetch_graph":"https://pith.science/api/pith-number/VY6KJUH33L5RKWBB4BN2USBHSP/graph.json","fetch_events":"https://pith.science/api/pith-number/VY6KJUH33L5RKWBB4BN2USBHSP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VY6KJUH33L5RKWBB4BN2USBHSP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VY6KJUH33L5RKWBB4BN2USBHSP/action/storage_attestation","attest_author":"https://pith.science/pith/VY6KJUH33L5RKWBB4BN2USBHSP/action/author_attestation","sign_citation":"https://pith.science/pith/VY6KJUH33L5RKWBB4BN2USBHSP/action/citation_signature","submit_replication":"https://pith.science/pith/VY6KJUH33L5RKWBB4BN2USBHSP/action/replication_record"}},"created_at":"2026-07-05T02:56:18.647262+00:00","updated_at":"2026-07-05T02:56:18.647262+00:00"}