Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-10T14:13:17.452084Z
Paper Citation Record · LEDGER
As of 22 August 2026, this Paper Citation Record lists 58 of 58 outbound references and 0 inbound Pith citation observations for arXiv:2501.15669.
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 2026-08-10T14:13:17.452084Z
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
58 of 58 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation e6080987-d383-4743-bec9-9b144727eb2a · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field It is assumed that the transition |1⟩ ↔ |1(m)⟩ is a clock transition with frequency ω 0 (ω 0=2π × 2020
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 d6c128cc-5500-4ead-93f8-6215dd6f2e96 · outbound
Reference 2
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 86201b84-db6f-4a43-9f3f-dc7b6d52f4be · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field The electronic states and nuclear states must have in pairs the same parity, and their angular momenta can differ no more than one: |J − J ′| ≤ 1, |I − I ′| ≤ 1
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 559ff094-1b8e-4c6c-ae1f-310ebb7bbddb · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 81fada65-ba59-429f-aa68-23ec232a5d2b · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
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 6ae3731f-ca9e-410b-913e-ae151fa48a0e · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
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 5dedf467-20f9-4f00-896b-94a8be3c3e29 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 7
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 f284134e-e774-45a6-b8d5-2d93305889c7 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field 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 d31a8062-31cf-48d2-807a-4278dbd8fed4 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field 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 c03975c3-3d17-41a8-a09b-e81fc682a62f · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field 61µ N, µ 3/ 2, 3/ 2 = −1
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 9541e420-ee01-42e5-948d-82021a4773e8 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Moreover, such states with the nuclear spin I=5/2, which are relatively close to the upper clock level [I=3/2, (5f 6d) 3H 4], are quite numerous
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 063d2ce7-4a0d-4164-b7ef-7bac606a5b35 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field they also contribute to the elec- tronic bridge together with the magnetic contribution
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 6a9eaf35-e90a-4b8d-9cf9-ab9d9f6fc298 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
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 9cc33adb-1e52-4e52-a6e7-7cc44fb89dae · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field In the ion 229Th2+, there are also several such states, similar to the intermediate isomeric state |ξ(m)⟩ in Fig
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 a2b9f67d-947f-476d-ba06-1a3d3eff8829 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Riehle, Frequency Standards: Basics and Applications (Wiley-VCH, Weinheim, 2005)
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 7ca9e60f-6ed4-4ed1-b475-2fabb2a1348d · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Huntemann, C
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8d0f3e27-239f-4086-801c-2a7da6d49ee1 · outbound
Reference 17
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 f7b6e7de-84ad-4227-b51d-febd4f64cc62 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 18
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 d77dd8f6-5496-4aa0-ad0e-c90eb3ff6b47 · outbound
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 43e1b79e-ff81-4f73-ae14-0ab2c08a49d0 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 20
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cc6a2a69-fb03-4be6-aaa3-543237c5053f · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field In addition, as another level, which is similar to the state |β ⟩ in Fig
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 abf1bea6-92ec-4637-97ab-41d0326e4f4d · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
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 8027a1c7-2891-4b02-8cab-48d0d8d87cc3 · outbound
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 939b42be-f4a6-4745-b6fd-f011f1b3a50c · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e38be131-3f10-483d-a144-1a1725c21c7c · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6efa1c03-8aef-4568-a81e-ed5eb5d69474 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
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 4ce46e37-c141-427b-b21a-edd4149fe287 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 27
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 219f8ad7-81ba-4478-a3b9-6a046a435e3f · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 28
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e5156203-1738-4151-b1af-f7cc92391ce3 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field 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 66a5f2de-be35-4327-bfbe-e41cf1bc9b39 · outbound
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 64a5dc4d-e03d-41ff-9a2e-87e476bda860 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Yamaguchi, H
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 ad23ce10-d391-4ab8-a36c-4f6d71e28e23 · outbound
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 b423e426-349e-4458-bd06-fe3a0df31cc9 · 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 37c67a91-0c12-4b92-8810-cee5ec93fe60 · 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 f782a874-9f8b-4d9a-b5c5-901ddfa51187 · outbound
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 e9e60b98-621d-492e-b2b0-89a94412152a · outbound
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cb371137-b2cd-488b-9b85-c541ff6caf2c · outbound
Reference 37
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 eac4f6f0-50b5-4e4f-871e-1f7d65fae8a2 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
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 16786e80-3e0b-4204-8240-d64e72a781cb · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 39
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 0e974431-a2ea-4acc-8fb0-7c0cf523adab · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field 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 7d75f3e1-03eb-4499-b9b4-12c649f7db9e · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
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 6318a2c6-d67b-4858-8bac-525b9e491e3f · outbound
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 3f9fd856-59b0-40b4-bc9f-8e5b56095221 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 43
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 a43e4e10-4e6a-44c2-9236-058431536e4c · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 44
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 d70a0e39-22d6-4e82-9b54-971977f98f0d · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Hinneburg, M
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 7deee3aa-db46-42ab-a531-ff5296bdf573 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Hinneburg, Z
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 0070813c-4d58-44b6-8d1c-8a5b099ce856 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 47
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 f74ca30b-05a4-4389-abb2-697e49ba5d5e · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 48
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 44051ac3-5407-442d-9692-fe0d11bd9971 · outbound
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 06cc329a-e44f-43c7-9aaf-44f5a7186fa4 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Yamaguchi, Y
Reference 50
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 91de2e2d-0c9b-4faf-992d-bd5694679983 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 564623d3-bfcf-456d-ad70-db7af7b0dfe9 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 52
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 a4672d03-e9a5-4801-8768-c2b98c8751cd · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Huntemann, B
Reference 53
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 0c0d21d4-11e8-4c52-89ba-6e0531385f9e · outbound
Reference 54
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 4e902c66-fd69-4d46-a6d2-047445a05485 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Zanon-Willette, R
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.
Observation c14a1504-3f96-4b7f-8a97-203548661e30 · outbound
Reference 56
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 800154df-fa96-4d6f-9111-353af8dc40cf · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 57
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 272c3d86-6074-4ab3-8e23-33dc0dcf8087 · outbound
Optical clock based on two-photon spectroscopy of the nuclear transition in ion $^{229}$Th in a monochromatic field Unresolved cited work
Reference 58
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.