{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:ATATW2OICYCKRCE5VYY424ZPWF","short_pith_number":"pith:ATATW2OI","schema_version":"1.0","canonical_sha256":"04c13b69c81604a8889dae31cd732fb172b6aebf7376e1e8d9047e4104b0da75","source":{"kind":"arxiv","id":"1106.0520","version":1},"attestation_state":"computed","paper":{"title":"Frequency-stabilization to 6x10^-16 via spectral-hole burning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Lars Rippe, Matthew S. Kirchner, Michael J. Thorpe, Tara M. Fortier, Till Rosenband","submitted_at":"2011-06-02T21:38:07Z","abstract_excerpt":"We demonstrate two-stage laser stabilization based on a combination of Fabry- Perot and spectral-hole burning techniques. The laser is first pre-stabilized by the Fabry-Perot cavity to a fractional-frequency stability of sigma_y(tau) < 10^-13. A pattern of spectral holes written in the absorption spectrum of Eu3+:Y2SiO5 serves to further stabilize the laser to sigma_y(tau) = 6x10^-16 for 2 s < tau < 8 s. Measurements characterizing the frequency sensitivity of Eu3+:Y2SiO5 spectral holes to environmental perturbations suggest that they can be more frequency stable than Fabry-Perot cavities."},"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":"1106.0520","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-06-02T21:38:07Z","cross_cats_sorted":[],"title_canon_sha256":"d252056168bb672ade0d5c1a3155b489b2f1c44ac31e187a266387a4280dddd0","abstract_canon_sha256":"29087e5ea4cdc7686de2d2bb0aa41768bbd9671dbe63ce516b7aa89bdbd212d2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:44.206751Z","signature_b64":"HwBr3mRGR+JOzS0cqo6FlhIqEf6aDYM5+xxl/obBKNevL8EhyDTAbUUbPD7R4sv5rhhZhPCCH87ampNRWjpwDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"04c13b69c81604a8889dae31cd732fb172b6aebf7376e1e8d9047e4104b0da75","last_reissued_at":"2026-05-18T02:01:44.206025Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:44.206025Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Frequency-stabilization to 6x10^-16 via spectral-hole burning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.atom-ph","authors_text":"Lars Rippe, Matthew S. Kirchner, Michael J. Thorpe, Tara M. Fortier, Till Rosenband","submitted_at":"2011-06-02T21:38:07Z","abstract_excerpt":"We demonstrate two-stage laser stabilization based on a combination of Fabry- Perot and spectral-hole burning techniques. The laser is first pre-stabilized by the Fabry-Perot cavity to a fractional-frequency stability of sigma_y(tau) < 10^-13. A pattern of spectral holes written in the absorption spectrum of Eu3+:Y2SiO5 serves to further stabilize the laser to sigma_y(tau) = 6x10^-16 for 2 s < tau < 8 s. Measurements characterizing the frequency sensitivity of Eu3+:Y2SiO5 spectral holes to environmental perturbations suggest that they can be more frequency stable than Fabry-Perot cavities."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.0520","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":"1106.0520","created_at":"2026-05-18T02:01:44.206146+00:00"},{"alias_kind":"arxiv_version","alias_value":"1106.0520v1","created_at":"2026-05-18T02:01:44.206146+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.0520","created_at":"2026-05-18T02:01:44.206146+00:00"},{"alias_kind":"pith_short_12","alias_value":"ATATW2OICYCK","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_16","alias_value":"ATATW2OICYCKRCE5","created_at":"2026-05-18T12:26:24.575870+00:00"},{"alias_kind":"pith_short_8","alias_value":"ATATW2OI","created_at":"2026-05-18T12:26:24.575870+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/ATATW2OICYCKRCE5VYY424ZPWF","json":"https://pith.science/pith/ATATW2OICYCKRCE5VYY424ZPWF.json","graph_json":"https://pith.science/api/pith-number/ATATW2OICYCKRCE5VYY424ZPWF/graph.json","events_json":"https://pith.science/api/pith-number/ATATW2OICYCKRCE5VYY424ZPWF/events.json","paper":"https://pith.science/paper/ATATW2OI"},"agent_actions":{"view_html":"https://pith.science/pith/ATATW2OICYCKRCE5VYY424ZPWF","download_json":"https://pith.science/pith/ATATW2OICYCKRCE5VYY424ZPWF.json","view_paper":"https://pith.science/paper/ATATW2OI","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1106.0520&json=true","fetch_graph":"https://pith.science/api/pith-number/ATATW2OICYCKRCE5VYY424ZPWF/graph.json","fetch_events":"https://pith.science/api/pith-number/ATATW2OICYCKRCE5VYY424ZPWF/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ATATW2OICYCKRCE5VYY424ZPWF/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ATATW2OICYCKRCE5VYY424ZPWF/action/storage_attestation","attest_author":"https://pith.science/pith/ATATW2OICYCKRCE5VYY424ZPWF/action/author_attestation","sign_citation":"https://pith.science/pith/ATATW2OICYCKRCE5VYY424ZPWF/action/citation_signature","submit_replication":"https://pith.science/pith/ATATW2OICYCKRCE5VYY424ZPWF/action/replication_record"}},"created_at":"2026-05-18T02:01:44.206146+00:00","updated_at":"2026-05-18T02:01:44.206146+00:00"}