Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-10T22:23:21.211467Z
Paper Citation Record · LEDGER
As of 23 August 2026, this Paper Citation Record lists 34 of 34 outbound references and 1 inbound Pith citation observation for arXiv:2501.01826.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-10T22:23:21.211467Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-23T06:30:58.430688+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-10T13:46:29.476671Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-08-10T13:46:29.593153Z
34 of 34 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 32f3b916-7406-4935-ab85-5dc98ef5e164 · outbound
Compact 780 nm Rb Optical Clock Coherent optical clock down-conversionformicrowavefrequencieswith10-18instability
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 0912457f-4315-4a6a-aa24-fe9a69d6ba57 · outbound
Compact 780 nm Rb Optical Clock Geodesy and metrology with a transportable optical clock
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation bebcb92a-9708-4291-ad84-46170fd5c1cc · outbound
Compact 780 nm Rb Optical Clock Atomicclockperformanceenabling geodesybelowthecentimetrelevel
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation a9dc40e0-e386-4db1-99c1-10272e99341a · outbound
Compact 780 nm Rb Optical Clock Direct frequency comb spectroscopy in the extremeultraviolet,
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 8dbde283-7390-4c2c-955b-f3910aa0da4e · outbound
Compact 780 nm Rb Optical Clock 27Al + Quantum-Logic Clock with a Systematic Uncertainty Below 10−18
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 2968be87-4b9f-4f4b-ae03-569e3f4325a2 · outbound
Compact 780 nm Rb Optical Clock FrequencyRatioofTwoOpticalClockTransitionsin 171Yb+ and Constraints on the Time Variation of Fundamental Constants
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 6191c007-2bfa-4294-a796-6c3a509828aa · outbound
Compact 780 nm Rb Optical Clock Cryogenic optical lattice clocks
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 5dcabb82-e0a0-4579-b189-177a37865583 · outbound
Compact 780 nm Rb Optical Clock A Fermi-degenerate three-dimensional optical lattice clock
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation f63f4d92-4a44-4126-94e3-d201bdaf5b60 · outbound
Compact 780 nm Rb Optical Clock An opticallatticeclock withaccuracyand stabilityat the10−18 level
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation edd459c6-474c-4994-ac4e-58569706ad71 · outbound
Compact 780 nm Rb Optical Clock Opticalatomicclocks
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation e2022b28-f5eb-4df1-9a9c-ed6004d6002a · outbound
Compact 780 nm Rb Optical Clock Transportable optical lattice clock with 7× 10-17 uncertainty
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation da3f62d0-4108-4c5b-ac60-496abd18545a · outbound
Compact 780 nm Rb Optical Clock Architecture for the photonic integration of an optical atomic clock
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 9dd8964f-ec3a-4ba7-baaa-03c6be5cc90d · outbound
Compact 780 nm Rb Optical Clock Transportable optical lattice clock with 7×10-17 uncertainty
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation ad2d8df8-c018-4961-9092-e515c05fc73f · outbound
Compact 780 nm Rb Optical Clock Test of general relativity by a pair of transportable optical lattice clocks,
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 35c89dec-6084-49c7-a7a3-5527c44cffea · outbound
Compact 780 nm Rb Optical Clock Atransportablestrontiumopticallatticeclock,
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 72a4607a-3ec9-4eb5-900d-7c30e0dace1e · outbound
Compact 780 nm Rb Optical Clock Towards an optical clock for space: Compact,high-performance opticallattice clock basedon bosonic atoms,
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 4ca6495f-07ee-4e16-b6c4-d248165005d0 · outbound
Compact 780 nm Rb Optical Clock Miniaturized optical frequency reference for next-generation portable optical clocks,
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 13b5e928-dca4-476b-86b0-9eb354e35f3f · outbound
Compact 780 nm Rb Optical Clock Optical clocks at sea,
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 83d51f78-ff4e-44e4-892d-25bece86d7d3 · outbound
Compact 780 nm Rb Optical Clock Unresolved cited work
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 233d3eac-e230-40a3-8fd8-5090fa526d3b · outbound
Compact 780 nm Rb Optical Clock Laser frequencystabilizationinthe10-14rangeviaoptimizedmodulation transfer spectroscopy on the 87 Rb D2 line,
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 9a2842bd-157d-4e50-ad5f-f9909ea3546f · outbound
Compact 780 nm Rb Optical Clock Prototypeof acompactrubidium-based opticalfrequencyreferenceforoperationonnanosatellites,
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 9d056dd5-19ad-417b-afc1-c44cc1cc263b · outbound
Compact 780 nm Rb Optical Clock Dichroic two-photon rubidium frequency standard,
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 58b3a6f5-5f75-4ace-8278-7d8ce9b6cb59 · outbound
Compact 780 nm Rb Optical Clock High-performance, compact optical standard
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 8905adea-38e2-409e-ab2d-37c26e4a7ebb · outbound
Compact 780 nm Rb Optical Clock Stabilizing diode laserto1Hz − level Allandeviation withatomic spectroscopyfor Rb four-level active optical frequency standard
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 0648114a-48c6-4a79-87e8-48af303677b2 · outbound
Compact 780 nm Rb Optical Clock Laser with 10−13 short term instability for compact optically pumped cesium beam atomic clock
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation d4c4703c-48ec-4be8-b37e-9f6876833659 · outbound
Compact 780 nm Rb Optical Clock Frequency-stabilized Faraday laser with 10−14 short-term instabilityforatomicclocks
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 82925e50-8b26-4e10-9743-1ca2f2cf5ade · outbound
Compact 780 nm Rb Optical Clock Cs microcell optical reference with frequency stability in the low 10−13 range at 1 s
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation e2f159a1-7f21-47a2-ae21-020df445d560 · outbound
Compact 780 nm Rb Optical Clock Short-termstabilityofCsmicrocell-stabilizedlasersusing dual-frequency sub-Doppler spectroscopy,
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 213ce569-8af6-4337-9e3f-1027b00fc769 · outbound
Compact 780 nm Rb Optical Clock Modulationtransferprocessesinopticalheterodyne saturationspectroscopy
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 076c87db-7f59-4417-b86e-fab69431d959 · outbound
Compact 780 nm Rb Optical Clock Modulationtransferprocessesinopticalheterodyne saturationspectroscopy,
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 2d44636c-7265-4f13-b30f-43689eaf280e · outbound
Compact 780 nm Rb Optical Clock Laser frequency stabilization by combining modulation transfer and frequency modulation spectroscopy
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 58a6e366-ed7f-4610-8245-805160fcdc53 · outbound
Compact 780 nm Rb Optical Clock Wideband laser locking to an atomic reference with modulation transfer spectroscopy
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 1f4c8ec6-205d-472c-a0c5-03f065263a76 · outbound
Compact 780 nm Rb Optical Clock Modulation transfer spectroscopy for D1 transition lineofrubidium
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation b2049f69-afd5-406e-893c-0f186d21ed4c · outbound
Compact 780 nm Rb Optical Clock Improved limit on a temporal variation of mp/me from comparisons of Yb+ and Cs atomic clocks
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.
Observation 1fa79bcc-e2ed-4d8f-a54a-411129c54921 · inbound
Velocity-comb modulation transfer spectroscopy Compact 780 nm Rb Optical Clock
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.