Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-14T13:04:01.008479Z
Paper Citation Record · LEDGER
As of 16 August 2026, this Paper Citation Record lists 24 of 24 outbound references and 0 inbound Pith citation observations for arXiv:1908.08940.
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 2026-08-14T13:04:01.008479Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+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
24 of 24 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 1097ec03-2203-46b4-b253-033f21469f63 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 1a16fd76-e49e-4dac-8442-fe9b58235c54 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation e2b0cbdc-a1e6-4d4c-b27a-f494399579d2 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions u hn , P. Micke , R. Steinbr \
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 26b36691-9e4e-4bf7-b9c0-624c703748b0 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 304e65c2-2a10-4300-9ed6-e7e2765f48ab · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f5cf7cef-9934-4482-89d9-2f9cdb50888f · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 6
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 6c9badf2-05c7-45bb-b019-f3a02a73dc27 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 8669f980-9006-42d6-93c7-26695b6657d3 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f7884c41-3e75-430d-8a39-d37afdbe40e0 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 79030512-5e90-4c01-aa3b-c3080b977810 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 281373fc-518a-4592-b365-229772fb7eca · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation fb5558b8-336a-4344-bcda-7de7bfc16a27 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Shabaev, I
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation d6ff5196-036b-4803-8929-dd9683c5db41 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Shabaev, I
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 82195fbe-6c22-49a3-9b97-cf75ef35cc87 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation bafee566-49ac-460b-bef0-7b257385e415 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Angeli and K
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 731dac29-d330-4927-a1c2-81ecb9db26bd · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 190686bc-3110-42c7-a804-b02817b784d0 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Engstr\"om, P
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 3c7f584b-dbb5-4198-a87c-226d1950a824 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Engstr\"om and U
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation d6c495c9-20f4-4bd6-80f5-4df8b0782f14 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Beiersdorfer, M
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 52378322-27c2-424b-9994-53e0c249b67d · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation db3d4c92-4067-4cd7-869b-dbf3e3088863 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Indelicato, O
Reference 21
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 96992d9b-5a5f-4e96-9a92-e19767ca7985 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Czarnecki and R
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation f6716406-f897-496e-9616-82307cd3d5cf · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
Observation 7a1fac18-907b-49eb-84f0-c4605d16b304 · outbound
Theoretical energy levels of $1sns$ and $1snp$ states of helium-like ions Unresolved cited work
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.
No inbound Pith citation observations are available.