Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-05-07T05:46:25.548287Z
Paper Citation Record · LEDGER
As of 4 August 2026, this Paper Citation Record lists 73 of 73 outbound references and 0 inbound Pith citation observations for arXiv:2604.27963.
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 2026-05-07T05:46:25.548287Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-03T06:30:56.289259+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
73 of 73 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 30768e07-a805-45da-8f57-7baa319f1e0e · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Investissements d’Avenir
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 4b1976d5-f6ac-49d4-9bd2-7b26ae594f57 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation dd37f4cd-0052-4e2f-b3a0-8ca2f2dbae09 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Sanner, N
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation c34b23c0-b7dc-42a3-ba6b-146692e76a84 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Huang, B
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 9bc6bb9e-6468-442d-b678-01971e691661 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Aeppli, K
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 407d19a2-d1b6-4774-9771-e5fdbc811f4a · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 3cef2a05-a877-4d1a-bf2b-929141dacfe0 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Tofful, C
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation a427f188-a7fa-4148-870f-b880adf9f66b · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation bbd5e6e8-06b4-448f-82a2-2e790d1132b8 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 47bc346b-f761-4db5-8392-60c03065295d · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Lindvall, T
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 37e3e9fd-5b75-4190-9184-4f4fad6356a2 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Oelker, R
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation e2a17b99-57bf-42a6-ae20-cff92343df54 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Schioppo, R
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 86d872ed-2c04-46b2-b4ca-7f8b113fdc13 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Lange, N
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation b828b611-92a1-4723-8669-f79e9823868d · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Sherrill, A
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 72726c46-177a-4d8a-bf0a-6ebf2a2c13ab · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Takamoto, I
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 71ddf414-d517-4b6d-b98f-04dd1d25e923 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Delva, J
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 2a3f2158-da07-4a62-9a65-87c8313f51af · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 4f0365b4-568d-4bb2-a713-af804babdc79 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Grotti, S
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 9be0129e-5fb7-4d99-9169-c7bb8a67877e · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Filzinger, A
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 259eac5f-f179-4dd2-94fe-ccc2bbc89bb5 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Filzinger, S
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 94ee8711-3dba-455e-b48f-56b3ec0a0652 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Kobayashi, A
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 88ed8c84-3b02-4e7e-ac44-9134a7d3ee67 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 2aa517aa-474e-4a79-9689-a779ea3540ce · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Beloy, M
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 7c9ab93f-27f9-4e2f-959a-1093af9dd7d2 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Formichella, G
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation cfa73b9c-447d-47f8-8b35-351574d4f53c · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 2d86fec2-fc9a-4659-9f33-fd6f4709cad4 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Hachisu, F
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 020d3aae-e1e6-41df-b39f-72c9e7afcfbd · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Ushijima, M
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 5359ca67-0762-485d-acd0-4a40d3f0cdb5 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Zhiqiang, K
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 9bbee04f-e316-488b-b3c6-7c30423b1a43 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network D¨ orscher, N
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation fb960f61-b88b-48cd-9537-779666c108fd · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Ohmae, F
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 2d19d5b7-306b-458b-aba9-0547b86e584c · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Ohtsubo, Y
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 5e727e66-5e13-4b36-8cc4-349273e6df4b · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Nemitz, T
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 320b9590-cea0-42c0-b5bb-8edc560f1ae1 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Rosenband, D
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation d27b3b33-fa31-48b2-b4c7-68585b844934 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Clivati, M
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 946992c7-1915-4d12-a8ff-5d91e581d956 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Riedel, A
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation ea2ed385-76cc-4641-a44a-230ad3dca782 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Fujieda, S
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 0d8a996d-ec38-4e98-91b5-8e8efb3f93a5 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Hachisu, M
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 390dce2e-ace1-43e8-a2f2-294a5e25b048 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Pizzocaro, M
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation b1bc7749-e4e8-4de6-8b26-9f367d0db7e6 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Negusini, M.-S
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 297c2640-2064-4690-a4e5-728524ff9a72 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Pizzocaro, F
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 04a35f5f-7062-4e28-8550-92fdccc05dd6 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 85b5be4a-675a-4b2b-8079-1ea749df11c1 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Dimarcq, M
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation e50e0b24-20ac-4590-9fb5-4b4cc5071a02 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Lodewyck, R
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation fc5a8346-3bc6-48df-97ab-15649a20933c · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Therefore, the clocks and comparison campaigns conducted at LNE-OP are labeled with the “SYRTE” prefix
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 3a33dc7f-93a1-4015-9613-23610454facb · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Schioppo, J
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 1dd60ecc-7b44-4a5c-ac99-3facc5bf5636 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Cantin, M
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 74804a13-fc26-4030-9b1b-074dd56e5712 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Lisdat, G
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 3f5f90a2-8ae6-4486-b40b-9a8615225d3a · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Lindvall, M
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 365acf4e-3c9d-4c7f-bd36-351b78b1b8e8 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network International comparison of optical frequencies with transportable optical lattice clocks
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 2b3ea7e5-dd13-45fe-960e-97d428a49a9d · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Nosske, C
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 44c8ca97-79a3-4c44-aec1-d5cfa2ef3264 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Ohmae, M
Reference 51
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation d6ce916d-44f2-4a1a-acea-efb8c76b6132 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Klose, K
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation a8da4f70-f323-436e-8711-5258fa0f3f63 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Tyumenev, M
Reference 53
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 3f56b498-be7a-4eb2-a6be-14c56a1b3fe8 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 54
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation b10d007b-e5a4-46ac-99c3-d2dc6799bb15 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Hobson, W
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 67fdf23a-b3de-4365-826e-79c2523c679e · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Schwarz,A cryogenic strontium lattice clock, Ph.D
Reference 56
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 8adff236-900a-469d-b5f3-833aa0987ad3 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Denker, L
Reference 57
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation f995da98-4fdc-4eea-85c0-e816012789dd · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 58
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 41d55600-0a5d-48a3-8476-61ff92175bfb · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 59
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation bfcf2103-054d-4e88-861e-107abdb4e2fa · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Tiesinga, P
Reference 60
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 1c5e1202-4b8e-4fcf-bcd9-cdb8f47a0f47 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 61
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 24ce58d0-ae71-47b1-908a-4cd393f28ab7 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Yamanaka, N
Reference 62
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation a752c025-a7ea-4c21-a4f7-05de4a345c8c · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Zyskind,An optical lattice clock with a bosonic isotope of mercury, Ph.D
Reference 63
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation d62093d7-5f08-4ac9-9359-50a0d02757a4 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Takamoto, I
Reference 64
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 10c6b153-4b8e-4842-a552-91a813952f44 · outbound
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 2026-08-03T06:30:56.289259+00:00.
Observation ff00319a-0e7d-45db-9c82-18d8784ef0d0 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Bondarescu, A
Reference 66
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 15c76dc6-d642-4ea3-a723-a17440b1a635 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 67
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 12ceab33-23b9-4366-88f7-c2007c75f11b · outbound
International Optical Clock Comparison Using the European Optical Fiber Network M¨ uller, D
Reference 68
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 70d1e412-c6b2-4165-a894-c73d1e6be38f · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Clivati, A
Reference 69
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 6c9a7ded-9af9-4aba-8ff1-16e80f91a131 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Clivati, R
Reference 70
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation 1497db48-9024-4c41-85b1-434afc56d31c · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Pizzocaro and et al., DOI reserved on Zenodo doi:10.5281/zenodo.16539534 (2025)
Reference 71
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation dc3d2d08-38c6-4d61-8efa-84fdda4670fb · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 72
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
Observation ec93d21b-17c8-487a-b57c-3bdb86ffa439 · outbound
International Optical Clock Comparison Using the European Optical Fiber Network Unresolved cited work
Reference 73
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-03T06:30:56.289259+00:00.
No inbound Pith citation observations are available.