{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2018:VGJMBGMBYTBZIZZBH272D26DJU","short_pith_number":"pith:VGJMBGMB","schema_version":"1.0","canonical_sha256":"a992c09981c4c39467213ebfa1ebc34d151b62507f9f194023c6eb76aeea5cdf","source":{"kind":"arxiv","id":"1812.01703","version":1},"attestation_state":"computed","paper":{"title":"Ramsey Spectroscopy with Displaced Frequency Jumps","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"A. V. Taichenachev, E. A. Donley, J. Kitching, J. W. Pollock, M. Shuker, R. Boudot, V. I. Yudin","submitted_at":"2018-12-04T21:44:29Z","abstract_excerpt":"Sophisticated Ramsey-based interrogation protocols using composite laser pulse sequences have been recently proposed to provide next-generation high-precision atomic clocks with a near perfect elimination of frequency shifts induced during the atom-probing field interaction. We propose here a simple alternative approach to the auto-balanced Ramsey (ABR) interrogation protocol and demonstrate its application to a cold-atom microwave clock based on coherent population trapping. The main originality of the method, based on two consecutive Ramsey sequences with different dark periods, is to sample"},"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":"1812.01703","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2018-12-04T21:44:29Z","cross_cats_sorted":[],"title_canon_sha256":"1f0bae4ed3c1f4c0c79644807d7a19343b3a3e84ba2157da8d8e057aad3bd936","abstract_canon_sha256":"c61a5eb6f5d99714e55927711e546840546497bcc17a2679420738a7f2c47880"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:50:09.396486Z","signature_b64":"Tx7iRaoJWydvsNmsq56hiWMZRidsB8vPO01DgoHHwmwaYtUjNp5jrv+F2QX31ljxv0HGm016KekK4ms4tzCxBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a992c09981c4c39467213ebfa1ebc34d151b62507f9f194023c6eb76aeea5cdf","last_reissued_at":"2026-05-17T23:50:09.396028Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:50:09.396028Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ramsey Spectroscopy with Displaced Frequency Jumps","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"A. V. Taichenachev, E. A. Donley, J. Kitching, J. W. Pollock, M. Shuker, R. Boudot, V. I. Yudin","submitted_at":"2018-12-04T21:44:29Z","abstract_excerpt":"Sophisticated Ramsey-based interrogation protocols using composite laser pulse sequences have been recently proposed to provide next-generation high-precision atomic clocks with a near perfect elimination of frequency shifts induced during the atom-probing field interaction. We propose here a simple alternative approach to the auto-balanced Ramsey (ABR) interrogation protocol and demonstrate its application to a cold-atom microwave clock based on coherent population trapping. The main originality of the method, based on two consecutive Ramsey sequences with different dark periods, is to sample"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1812.01703","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1812.01703","created_at":"2026-05-17T23:50:09.396094+00:00"},{"alias_kind":"arxiv_version","alias_value":"1812.01703v1","created_at":"2026-05-17T23:50:09.396094+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1812.01703","created_at":"2026-05-17T23:50:09.396094+00:00"},{"alias_kind":"pith_short_12","alias_value":"VGJMBGMBYTBZ","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_16","alias_value":"VGJMBGMBYTBZIZZB","created_at":"2026-05-18T12:32:59.047623+00:00"},{"alias_kind":"pith_short_8","alias_value":"VGJMBGMB","created_at":"2026-05-18T12:32:59.047623+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VGJMBGMBYTBZIZZBH272D26DJU","json":"https://pith.science/pith/VGJMBGMBYTBZIZZBH272D26DJU.json","graph_json":"https://pith.science/api/pith-number/VGJMBGMBYTBZIZZBH272D26DJU/graph.json","events_json":"https://pith.science/api/pith-number/VGJMBGMBYTBZIZZBH272D26DJU/events.json","paper":"https://pith.science/paper/VGJMBGMB"},"agent_actions":{"view_html":"https://pith.science/pith/VGJMBGMBYTBZIZZBH272D26DJU","download_json":"https://pith.science/pith/VGJMBGMBYTBZIZZBH272D26DJU.json","view_paper":"https://pith.science/paper/VGJMBGMB","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1812.01703&json=true","fetch_graph":"https://pith.science/api/pith-number/VGJMBGMBYTBZIZZBH272D26DJU/graph.json","fetch_events":"https://pith.science/api/pith-number/VGJMBGMBYTBZIZZBH272D26DJU/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VGJMBGMBYTBZIZZBH272D26DJU/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VGJMBGMBYTBZIZZBH272D26DJU/action/storage_attestation","attest_author":"https://pith.science/pith/VGJMBGMBYTBZIZZBH272D26DJU/action/author_attestation","sign_citation":"https://pith.science/pith/VGJMBGMBYTBZIZZBH272D26DJU/action/citation_signature","submit_replication":"https://pith.science/pith/VGJMBGMBYTBZIZZBH272D26DJU/action/replication_record"}},"created_at":"2026-05-17T23:50:09.396094+00:00","updated_at":"2026-05-17T23:50:09.396094+00:00"}