Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T10:11:56.635191Z
Paper Citation Record · LEDGER
As of 22 August 2026, this Paper Citation Record lists 55 of 55 outbound references and 0 inbound Pith citation observations for arXiv:1908.11697.
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 2026-08-14T10:11:56.635191Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-21T06:32:19.484+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
55 of 55 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 18027d2a-cdf0-4bb6-967f-214190071cc1 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Altamimi, X
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 251d274d-4492-40ce-9315-5a2b5ebe16a6 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Altamimi, P
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6d6c981f-4434-4c7b-92d3-b9cca8b9095c · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Bachmann and D
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 978ce550-129e-4c64-959a-8bc1a8e93b45 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Combining the orbits of the igs analysis centers
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ddd7dfee-27cb-472a-9fb4-b3b422112704 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems B \"o ckmann, T
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation c60ecdf2-b48b-4f00-8b4c-4bc9be8a0498 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Artz, and A
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation e8f1b2cb-090b-4e96-a253-6e161c25545a · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems o hm, S. B \
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 67b527b6-cbac-44bd-add8-fbe9849cb43a · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation e3acfd54-5045-46be-a131-87f7c3145529 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation e32b4b95-7502-46de-96c2-a8718e63264b · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems The Third Realization of the International Celestial Reference Frame by Very Long Baseline Interferometry
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 62ce61f7-b0c2-450a-a3b8-3b28968d6b4a · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems u r Kartographie und Geod \
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 5d980e91-a4fc-4687-968a-ede90736b55b · outbound
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 8fbf9029-4843-41c9-9566-5cde7d761ef6 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Feissel-Vernier, C
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 43dc82df-9e5e-4984-a324-4b7706b8959f · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 19278857-5b4b-435e-98c4-d620357f9510 · outbound
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation edd2113d-d7c0-4b90-b406-3ff2ebe5248a · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems a hrling , H. Jahrei , S. R \
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation d496b5cf-edde-469f-99c2-ca755549747f · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 862a1001-ac9a-4c80-938b-c177702ef0c4 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 67ee41b8-f78a-487b-b127-3222d97f7b81 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Grafarend and F Sanso
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 847dddb1-ca13-4706-af6b-98d2d8350b72 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 93dc9367-47aa-40c7-a6c8-56bdee8f7788 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 69d81e42-b320-40b3-a8f2-58a66cb6ee90 · outbound
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 8ae07393-54d4-43dc-a0f5-2b7784396ad6 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Jacobs, M.B
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 5f450ec0-6db2-45d3-8eef-5563f701da99 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Jacobs, J.E
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation cbf88d6c-0285-4211-886a-bb8c932db336 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Comparison of vlbi radio source catalogs
Reference 25
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 41875416-0e86-4d18-8965-2debd15436e4 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Lestrade , D
Reference 26
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation b070c06a-034b-4910-a221-5dc75d18994f · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Lindegren , Lammers, U
Reference 27
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0a42af50-9b83-4bc4-afc4-067e5ca2c3bb · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Lindegren , J
Reference 28
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 781b8895-4688-443a-837a-91f2eee31f2c · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation a1083bba-b65b-4be5-999f-913e48ebf4c1 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 3f260345-1260-42a2-af50-56b2590e3641 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation d61f0751-943f-40ea-8cb2-c5366936276f · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Tensor Spherical Harmonics
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation bc6aa82b-ffe9-46b9-a086-ff8bcf42f084 · outbound
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation fadfbf50-295f-4809-9894-34c39b8db753 · outbound
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 8315adc4-179c-4146-91ed-3a24ce8fa758 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems McCallum, J
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation f39a637c-1b42-437a-a646-ab8fb62bc9d9 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Mignard and S
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e29191d1-be51-4628-bac2-445104d7551f · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems , Klioner, S
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5f92bfb0-e87a-41e6-8a15-3d62cd618a43 · outbound
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation be81d123-f7fd-4312-af7e-2d13a2d47159 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Nothnagel, T
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 35f8c5bb-b2c6-4185-9dbb-6b6da99a16b0 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation ff547ec2-0729-40ee-aec7-a2b26f3440c0 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Petit and B
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation a8529bea-bfbe-449c-b06d-888c3198e27b · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 42
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation bb74865b-a93a-4fe3-af0f-15c02ee273cf · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Petrov and Y.Y
Reference 43
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4d25c199-ee45-4641-aaf7-36a294659d11 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Petrov , Y.Y
Reference 44
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7a4ca86e-9b06-45cb-8a36-53a1ca410fba · outbound
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 53f80c6a-8ff2-4283-a9bf-c409bcc8cc2a · outbound
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation cf824bcb-b9cc-461a-966a-fab65a4444e9 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 47
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 40253ef9-c519-44b8-9511-b53c4044b8c3 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Titov and S
Reference 48
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bff5c0de-f054-48f3-89bd-ea09c488d90f · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 49
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation 24599789-6454-47aa-8757-2a40991bc2e6 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
Observation ace61de0-291c-41f9-8f44-bda3d04d7fb5 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems , " * write output.state after.block = add.period write newline
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 79cd270c-27f1-4c93-922a-f1bc0848de46 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems write newline
Reference 52
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5f2b7839-6603-49e2-9f4a-a0c87f4e651c · outbound
Reference 53
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7c77c078-f37a-4626-83e7-dac0aabe8d32 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems Unresolved cited work
Reference 54
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5d9054ca-65fb-4060-b02f-f8e6ee1f2657 · outbound
Realization of a multifrequency celestial reference frame through a combination of normal equation systems ڬ [ x s#]Y'NoNwdG hnlMNN o6 W+ mHvbݍ xE? : `duwt#;X @utc s V^ Q[jw wqs ەu (tGv ;HNh?
Reference 55
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.
No inbound Pith citation observations are available.