Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-03T14:11:45.635963Z
Paper Citation Record · LEDGER
As of 23 August 2026, this Paper Citation Record lists 92 of 92 outbound references and 3 inbound Pith citation observations for arXiv:2512.21428.
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 2026-08-03T14:11:45.635963Z
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 2026-06-28T02:39:24.186006Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-08-05T02:28:24.338817Z
92 of 92 outbound references displayed
External citation measurements
0
arxiv_reference, observed 2026-08-05T02:28:24.338817Z
Observation 0feeb5bc-e931-4f48-947a-c7127ff71b97 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Weyers, V
Reference 1
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5c43a69f-4ae1-47d4-868d-c83a535d2e6d · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Gerginov, G
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation be69a03f-1fbc-4323-9a16-9f6dae11bbce · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Beattie, B
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e3e20411-e121-4b33-8d85-5caf5b703b3c · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 069ce43e-0c57-4618-9d34-5422304dd289 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Dimarcq, M
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 71f98bd1-f5e1-447e-b1d2-873de4ce58de · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Schioppo, J
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 22af82ac-d0ed-4ec5-9e69-fd649c2171af · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Grebing, A
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2ca89c84-0eb7-4c5f-bb56-57df3d963058 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Hachisu, F
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3d9566b0-920b-4c14-be31-7e381ab5b6ce · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 9
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8a69f3c9-913a-46b3-8a5f-d4a20ed1ee38 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation db92cc5e-aa52-4743-8ef4-c3244fe434cd · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e3944c85-aa92-4754-b53d-83ae7858eaff · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5d5ec6e1-2cc8-46b9-bff1-45dc8955adda · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 13
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 56aba0f3-eeb1-494a-8ecb-de4764995261 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d7853e7b-7c38-4e14-9861-6d7490a30b65 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Filzinger, S
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 23aacca7-e16d-4794-b7ee-9793541cb169 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Lange, N
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ce148551-22b3-49a1-978d-647eb8525fc6 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c8986b90-20d0-423d-b879-c23342410371 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Sherrill, A
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7a3025bb-e055-489c-808b-d3eefedff560 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Flury, Journal of Physics: Conference Series 723, 012051 (2016)
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6b256cca-f1fa-4e0c-b6f5-8ad96558f80d · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Grotti, I
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 464873c2-52d3-41ae-8ee0-c6530d732f92 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 21
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 40857b6f-21ff-453c-8f94-39f839a11d84 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bd519ae4-75af-4353-b08b-81c5369bf935 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Aeppli, K
Reference 23
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b0d8e0a7-98cd-4898-bcda-55af05e66938 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6dddb2a6-c0d9-4084-9951-4a0809d56649 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b41b1d94-78e9-4178-8cee-a188dc74b275 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Oelker, R
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8a2d73ee-dad0-408d-b084-95ed1552fd25 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Bressi, G
Reference 27
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6a6b61be-198e-4de7-a19b-ecb3c13a7db9 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Van Dyke, BRAN Technical Information, 2004
Reference 28
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d18f82cd-6dc6-4a34-9a0e-fc7703ed3fee · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Ye, J.-L
Reference 29
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dde44e51-ca5b-45c9-b7ff-d9f9485c8a29 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Narbonneau, M
Reference 30
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7d8f3ae1-e0ea-4407-8f24-9155b3def2eb · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3df11037-2c6d-493e-9d0c-456bb8fb9399 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 50b45e36-dd65-444c-9a6c-bcb6ffbe1cc7 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Fortier and E
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fd604eff-bda9-4d55-a66e-002cb83975d8 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Nemitz, T
Reference 34
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f0877a5b-22c2-4b94-84ae-c4d7c6c263c2 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Lindvall, M
Reference 35
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7e58711c-e9fc-4d0f-9950-3f6b3cf55ac2 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b6329d21-8c85-4296-aacc-bfe648b3c0f7 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ The 171Yb frequency would de- crease by 1.5 × 10−18 [24]
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5eaf809c-c18d-4298-8efb-cf6ee521bdca · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Bothwell, D
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dfbe642a-e9b7-40cd-a2f8-c07878673993 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Aeppli, A
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3ac0f93c-baf5-4d80-b756-fde98e738285 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 40
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fc9d21e8-5f4f-4a18-b4a7-3c3e4fc00a81 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 41
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4f47b0a7-b40a-4a27-a7d6-3d4c41dd9487 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 239ed22e-2a83-4fb1-8c96-30dace2e89ff · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Koepke, T
Reference 43
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e00a5b45-1daf-4d22-bc5d-c7ea21e92cc9 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Thompson and S
Reference 44
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 10938933-25e0-49fe-9957-c509022b88a7 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Bodnar, R
Reference 45
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1164f727-0833-4139-9315-736c482ba26c · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 46
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dadddd07-590f-499d-a628-1292ecfaf09d · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Gray and D
Reference 47
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5bdf1303-7370-4c0c-b175-fbd2b8c6f380 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ 4(b) around 104 s, where the model calculates an unphysical negative variance [47] and only an upper bound can be plotted
Reference 48
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 69856d10-0224-4b95-a234-263d9c59b4f3 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ed2e5b71-c06f-4fe9-bec2-f72df49aa2ce · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Akamatsu, M
Reference 50
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cff08bcf-dddb-4e1d-a58d-e8d837bd2b0e · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4392a73e-5813-49b4-b70c-5a8d3421e814 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Grotti, S
Reference 52
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2b063c38-994c-46e5-9e81-c246281460fc · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Hachisu, G
Reference 53
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 609ec810-dd68-410c-bb86-cd8751036ae4 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Kim, M.-S
Reference 54
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 66f4f1d9-6fc3-461c-bd50-3659fe8abc05 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Lemke, A
Reference 55
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 95fd64de-5170-4187-8954-10ab24ecceda · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Lodewyck, S
Reference 56
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a2762d01-15cf-4d04-83e6-01bb834184f1 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 57
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 42a351b9-a1b9-4732-a951-62ec8ff3a248 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Pizzocaro, P
Reference 58
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c637d1d5-53ad-41b4-8b2d-c23f80e402c5 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Rosenband, D
Reference 59
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 80e8aa6f-fde5-4c6c-8de0-208723e4978f · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Takamoto, I
Reference 60
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5ae2c583-91f4-46c0-a119-b29ff383bd98 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Fujieda, S.-H
Reference 61
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4cf226fc-78a9-4de2-ab44-f5546a9142fb · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Hisai, D
Reference 62
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9b0db0d1-7110-49a3-9227-3dc9f6806f73 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Pizzocaro, M
Reference 63
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 42b6dc57-1169-4711-b38f-201b9de5e69e · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Riehle, P
Reference 64
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 53d6d83d-9869-4c3f-87e6-d10d66b8caf3 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ van Westrum, NOAA Technical Memorandum NOS NGS 77 (2019)
Reference 65
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f46b2717-87c3-46f6-a28e-09b9a865b953 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 66
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 74b77127-b099-4348-8a26-20c72ea83def · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ van Westrum and K
Reference 67
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 77f63f86-d13e-4363-a8d3-1da996dd0d23 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ frep is set by the comb lock to the Si cavity; f0 is controlled to a set value; and m and fos are set experimentally by each clock
Reference 68
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 732b062d-81b1-44bd-9569-5002670d004a · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Margolis and M
Reference 69
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ae351f6d-3f7d-4890-b2d0-4f6ef3dce41f · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ D¨ orscher, N
Reference 70
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 90184363-938b-45dc-8520-0210283f94ae · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Mandel and R
Reference 71
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6c0d66ed-14f2-4b26-ac57-9f651017c538 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Langan, J
Reference 72
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4b26ea71-2a95-4945-a55e-9fbfc71b6bbe · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Merkatas, B
Reference 73
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6bb1a8b0-ca44-4b7f-8474-d5c1928a905f · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Possolo, Statistical Science 38, 655 (2023)
Reference 74
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5260cd45-7bc5-430f-85f4-84b4ae9dbbd3 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 75
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 27fa8a7e-3c80-4cd9-99f0-4c7dee3ab5d0 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Bothwell, C
Reference 76
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 08d9d67a-0344-4b87-990f-d6bbe59dd9c9 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Lisdat, S
Reference 77
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1aaf4b76-48c5-4349-bdb5-19a3a738578c · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Blatt, J
Reference 78
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 397114bc-1622-4f58-83c4-47eb905d7186 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Shi, J.-L
Reference 79
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 19a49c7e-d8aa-4015-a164-efcd5e8261ec · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Ushijima, M
Reference 80
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 78317f61-2c28-4577-ae3e-096c0d496c17 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 81
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 78ea7c8e-bbce-4dab-b574-8e2f9572bf57 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 82
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1ed57c94-6241-4cf9-b4aa-0069b824b4a1 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Keller, H
Reference 83
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cac0025b-5b94-4cde-a439-a331ae47b3d2 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Nemitz, A
Reference 84
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 23251eb6-33f4-4937-8332-3084b36dc1fe · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Bothwell, B
Reference 85
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 68c1122a-9fe6-4d69-b25a-dbc5dbb32e10 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 86
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 282183bb-f558-486d-9182-617cbaed3e3a · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 87
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0047cc98-cfbc-44e7-9281-4e43cf44686b · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Beloy, N
Reference 88
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1fa72d6b-d06a-46d9-b4d2-b4aad30ec238 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Unresolved cited work
Reference 89
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 90e8c36a-fe60-427e-b6cc-a7498f05cc2f · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ Fractional ratio uncertainties due to systematic effects (geopotential σG and network σN )
Reference 90
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation df4f6886-842a-4276-9425-9afa37c4d896 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ dark uncertainty
Reference 91
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4d1abc50-7041-47c2-872d-094116f7ffd8 · outbound
Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$ high accuracy
Reference 92
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 10c6b153-4b8e-4842-a552-91a813952f44 · inbound
International Optical Clock Comparison Using the European Optical Fiber Network Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$
Reference 65
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 59428569-0c06-4554-99fa-3bd5ab8cfb11 · inbound
A thorium-229 optical nuclear clock with feedback loop Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$
Reference 57
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 9831e8ea-ec29-40d8-b00a-8f281946a893 · inbound
An Al$^+$ clock with $1.6\times10^{-18}$ systematic uncertainty and its frequency ratios Atomic clock frequency ratios with fractional uncertainty $\leq 3.2 \times 10^{-18}$
Reference 45
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.