{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:DAHS6JAJDSKL4VASUJ3JVHX43B","short_pith_number":"pith:DAHS6JAJ","schema_version":"1.0","canonical_sha256":"180f2f24091c94be5412a2769a9efcd8603cc240bbb12fc0f3c99b354064d0b0","source":{"kind":"arxiv","id":"1902.02741","version":1},"attestation_state":"computed","paper":{"title":"Optical clock intercomparison with $6\\times 10^{-19}$ precision in one hour","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"A. Goban, C. J. Kennedy, C. Sanner, D. G. Matei, D. Kedar, E. Oelker, F. Riehle, G. E. Marti, J. M. Robinson, J. Ye, L. Sonderhouse, M. Giunta, R. B. Hutson, R. Holzwarth, T. Bothwell, T. Legero, U. Sterr","submitted_at":"2019-02-07T17:30:50Z","abstract_excerpt":"Improvements in atom-light coherence are foundational to progress in quantum information science, quantum optics, and precision metrology. Optical atomic clocks require local oscillators with exceptional optical coherence due to the challenge of performing spectroscopy on their ultra-narrow linewidth clock transitions. Advances in laser stabilization have thus enabled rapid progress in clock precision. A new class of ultrastable lasers based on cryogenic silicon reference cavities has recently demonstrated the longest optical coherence times to date. In this work we utilize such a local oscill"},"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":"1902.02741","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2019-02-07T17:30:50Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"54be5404d62ed592ee0c18eae97047d78f528e6dfee8fff3f9c2488ec248b616","abstract_canon_sha256":"cdf9f79c2c46dc1dbdf6210d8d85c18fefc74945a8c727107015a78c8986dcf7"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:06:06.187835Z","signature_b64":"84YJTYt0QAHDFYt86+A/YAh/q5X88h+vWPsNlHTPADycsLvitu5E2qj9EV6+1aeneAoR30M/sEzaOkFYf7Q+CQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"180f2f24091c94be5412a2769a9efcd8603cc240bbb12fc0f3c99b354064d0b0","last_reissued_at":"2026-07-05T00:06:06.187395Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:06:06.187395Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Optical clock intercomparison with $6\\times 10^{-19}$ precision in one hour","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"physics.atom-ph","authors_text":"A. Goban, C. J. Kennedy, C. Sanner, D. G. Matei, D. Kedar, E. Oelker, F. Riehle, G. E. Marti, J. M. Robinson, J. Ye, L. Sonderhouse, M. Giunta, R. B. Hutson, R. Holzwarth, T. Bothwell, T. Legero, U. Sterr","submitted_at":"2019-02-07T17:30:50Z","abstract_excerpt":"Improvements in atom-light coherence are foundational to progress in quantum information science, quantum optics, and precision metrology. Optical atomic clocks require local oscillators with exceptional optical coherence due to the challenge of performing spectroscopy on their ultra-narrow linewidth clock transitions. Advances in laser stabilization have thus enabled rapid progress in clock precision. A new class of ultrastable lasers based on cryogenic silicon reference cavities has recently demonstrated the longest optical coherence times to date. In this work we utilize such a local oscill"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.02741","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/1902.02741/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":"1902.02741","created_at":"2026-07-05T00:06:06.187452+00:00"},{"alias_kind":"arxiv_version","alias_value":"1902.02741v1","created_at":"2026-07-05T00:06:06.187452+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.02741","created_at":"2026-07-05T00:06:06.187452+00:00"},{"alias_kind":"pith_short_12","alias_value":"DAHS6JAJDSKL","created_at":"2026-07-05T00:06:06.187452+00:00"},{"alias_kind":"pith_short_16","alias_value":"DAHS6JAJDSKL4VAS","created_at":"2026-07-05T00:06:06.187452+00:00"},{"alias_kind":"pith_short_8","alias_value":"DAHS6JAJ","created_at":"2026-07-05T00:06:06.187452+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2605.10222","citing_title":"Thermal Deformation Reduction in High-Power Interferometry with Higher-Order Laser Modes","ref_index":10,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DAHS6JAJDSKL4VASUJ3JVHX43B","json":"https://pith.science/pith/DAHS6JAJDSKL4VASUJ3JVHX43B.json","graph_json":"https://pith.science/api/pith-number/DAHS6JAJDSKL4VASUJ3JVHX43B/graph.json","events_json":"https://pith.science/api/pith-number/DAHS6JAJDSKL4VASUJ3JVHX43B/events.json","paper":"https://pith.science/paper/DAHS6JAJ"},"agent_actions":{"view_html":"https://pith.science/pith/DAHS6JAJDSKL4VASUJ3JVHX43B","download_json":"https://pith.science/pith/DAHS6JAJDSKL4VASUJ3JVHX43B.json","view_paper":"https://pith.science/paper/DAHS6JAJ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1902.02741&json=true","fetch_graph":"https://pith.science/api/pith-number/DAHS6JAJDSKL4VASUJ3JVHX43B/graph.json","fetch_events":"https://pith.science/api/pith-number/DAHS6JAJDSKL4VASUJ3JVHX43B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DAHS6JAJDSKL4VASUJ3JVHX43B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DAHS6JAJDSKL4VASUJ3JVHX43B/action/storage_attestation","attest_author":"https://pith.science/pith/DAHS6JAJDSKL4VASUJ3JVHX43B/action/author_attestation","sign_citation":"https://pith.science/pith/DAHS6JAJDSKL4VASUJ3JVHX43B/action/citation_signature","submit_replication":"https://pith.science/pith/DAHS6JAJDSKL4VASUJ3JVHX43B/action/replication_record"}},"created_at":"2026-07-05T00:06:06.187452+00:00","updated_at":"2026-07-05T00:06:06.187452+00:00"}