{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:UDNYCITPGGHH7VFTI2Y46VNPZE","short_pith_number":"pith:UDNYCITP","schema_version":"1.0","canonical_sha256":"a0db81226f318e7fd4b346b1cf55afc92322b0e267fcfca756cbe64a7fbf6f5a","source":{"kind":"arxiv","id":"1501.02509","version":1},"attestation_state":"computed","paper":{"title":"Demonstration of a Near-IR Laser Comb for Precision Radial Velocity Measurements in Astronomy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"astro-ph.IM","authors_text":"C. Beichman, E. Furlan, E. Martin, G. Doppmann, G. Vasisht, G. Ycas, J. Gagne, J. Sandhu, K. Vahala, M. Bottom, M. Fitzgerald, P. Chen, P. Gao, P. Plavchan, S.Diddams, S. Leifer, X. Yi","submitted_at":"2015-01-11T23:30:33Z","abstract_excerpt":"We describe a successful effort to produce a laser comb around 1.55 $\\mu$m in the astronomical H band using a method based on a line-referenced, electro-optical-modulation frequency comb. We discuss the experimental setup, laboratory results, and proof of concept demonstrations at the NASA Infrared Telescope Facility (IRTF) and the Keck-II telescope. The laser comb has a demonstrated stability of $<$ 200 kHz, corresponding to a Doppler precision of ~0.3 m/s. This technology, when coupled with a high spectral resolution spectrograph, offers the promise of $<$1 m/s radial velocity precision suit"},"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":"1501.02509","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2015-01-11T23:30:33Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"b1006f7afb6d57f7838cc846bb188ee5fa14ae182836f400ebab1a2de63aa58c","abstract_canon_sha256":"926dd1a3df587db0bc3668293ac8674a5611a3290274fa2b3d75aac573025979"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:50.006757Z","signature_b64":"b42UOqweNf/zd03O1thTPNwGjORAhHQBpZTqEXwyIE0/6gCAtiNfyZ/yrWU8WkZ3EYDRG7h5W1Uwi4R6jRl4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a0db81226f318e7fd4b346b1cf55afc92322b0e267fcfca756cbe64a7fbf6f5a","last_reissued_at":"2026-05-18T01:12:50.006404Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:50.006404Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Demonstration of a Near-IR Laser Comb for Precision Radial Velocity Measurements in Astronomy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"astro-ph.IM","authors_text":"C. Beichman, E. Furlan, E. Martin, G. Doppmann, G. Vasisht, G. Ycas, J. Gagne, J. Sandhu, K. Vahala, M. Bottom, M. Fitzgerald, P. Chen, P. Gao, P. Plavchan, S.Diddams, S. Leifer, X. Yi","submitted_at":"2015-01-11T23:30:33Z","abstract_excerpt":"We describe a successful effort to produce a laser comb around 1.55 $\\mu$m in the astronomical H band using a method based on a line-referenced, electro-optical-modulation frequency comb. We discuss the experimental setup, laboratory results, and proof of concept demonstrations at the NASA Infrared Telescope Facility (IRTF) and the Keck-II telescope. The laser comb has a demonstrated stability of $<$ 200 kHz, corresponding to a Doppler precision of ~0.3 m/s. This technology, when coupled with a high spectral resolution spectrograph, offers the promise of $<$1 m/s radial velocity precision suit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.02509","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":"1501.02509","created_at":"2026-05-18T01:12:50.006459+00:00"},{"alias_kind":"arxiv_version","alias_value":"1501.02509v1","created_at":"2026-05-18T01:12:50.006459+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.02509","created_at":"2026-05-18T01:12:50.006459+00:00"},{"alias_kind":"pith_short_12","alias_value":"UDNYCITPGGHH","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_16","alias_value":"UDNYCITPGGHH7VFT","created_at":"2026-05-18T12:29:44.643036+00:00"},{"alias_kind":"pith_short_8","alias_value":"UDNYCITP","created_at":"2026-05-18T12:29:44.643036+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/UDNYCITPGGHH7VFTI2Y46VNPZE","json":"https://pith.science/pith/UDNYCITPGGHH7VFTI2Y46VNPZE.json","graph_json":"https://pith.science/api/pith-number/UDNYCITPGGHH7VFTI2Y46VNPZE/graph.json","events_json":"https://pith.science/api/pith-number/UDNYCITPGGHH7VFTI2Y46VNPZE/events.json","paper":"https://pith.science/paper/UDNYCITP"},"agent_actions":{"view_html":"https://pith.science/pith/UDNYCITPGGHH7VFTI2Y46VNPZE","download_json":"https://pith.science/pith/UDNYCITPGGHH7VFTI2Y46VNPZE.json","view_paper":"https://pith.science/paper/UDNYCITP","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1501.02509&json=true","fetch_graph":"https://pith.science/api/pith-number/UDNYCITPGGHH7VFTI2Y46VNPZE/graph.json","fetch_events":"https://pith.science/api/pith-number/UDNYCITPGGHH7VFTI2Y46VNPZE/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UDNYCITPGGHH7VFTI2Y46VNPZE/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UDNYCITPGGHH7VFTI2Y46VNPZE/action/storage_attestation","attest_author":"https://pith.science/pith/UDNYCITPGGHH7VFTI2Y46VNPZE/action/author_attestation","sign_citation":"https://pith.science/pith/UDNYCITPGGHH7VFTI2Y46VNPZE/action/citation_signature","submit_replication":"https://pith.science/pith/UDNYCITPGGHH7VFTI2Y46VNPZE/action/replication_record"}},"created_at":"2026-05-18T01:12:50.006459+00:00","updated_at":"2026-05-18T01:12:50.006459+00:00"}