Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-06T20:47:46.994507Z
Paper Citation Record · LEDGER
As of 12 August 2026, this Paper Citation Record lists 76 of 76 outbound references and 4 inbound Pith citation observations for arXiv:2507.01934.
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 2026-08-06T20:47:46.994507Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-11T06:34:44.6726+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-03T17:55:03.370155Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-05-16T11:47:49.390506Z
76 of 76 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation abe42091-1b4f-4736-971c-15a0e9d68ba2 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Hopkins, K
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 8acc9355-ec83-454c-ba6f-083dc04d02f9 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems D’Urso, B
Reference 2
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 6630d92b-23f4-47f2-b2db-c4ec0c5645f3 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 3
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 7edf92af-0a10-4571-9a78-21e900b080b2 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Bushev, D
Reference 4
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation f76d8609-365a-46b4-9c6b-e46e574eac09 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Jacobs, H
Reference 5
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 1e6bc354-28f3-400e-8b69-88e86e1802c8 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Frimmer, J
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation eaf07ff3-2d75-4a87-8b7a-6651a843eb8f · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 7
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 9c8f302e-1589-457d-8c41-01bf9e7dcde4 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Buffoni, A
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 2db7cb2a-54d4-4b9c-96ca-ff85e52eb202 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation f24187f5-dda7-4e1e-b4b4-1e8793875b9c · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems De Sousa, P
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 8b5d16cb-d127-4d41-9d27-fddab8207443 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Sarovar, C
Reference 11
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 53405922-afff-4974-8ed6-c4b6776ce881 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Marcos, A
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 20d4fd3d-1473-4719-8b79-ee3f46ae93e3 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Rist `e, M
Reference 13
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation f32db2b4-3c43-4e99-9df6-46dcc263ca38 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 14
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 7d25a713-fe4b-43d6-820a-b17a427fbfb4 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 15
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation f4eeaefc-38f6-4f98-ac8b-92df0b0e0e7e · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Barker, M
Reference 16
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 4a7c09bb-9f4c-487e-8b1d-689c14532405 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 17
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 0994edcf-3f88-4d53-9cf3-53247a505331 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Vijay, C
Reference 18
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 58607b98-d95e-48bc-970e-281fa26a08d0 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Rist `e, C
Reference 19
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 7fe88055-5cd2-4dac-a699-4d71bb8d6b9e · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Campagne-Ibarcq, E
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation ed2ad765-f969-454a-b3e7-d9fdc15ca2ef · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 21
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1d489b24-1a9a-4a47-a0fd-9062aed9d56a · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 22
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 29fe2311-e1e8-4f06-b994-6d7b756cd0d1 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Naghiloo, J
Reference 23
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 0622c425-54a5-48e5-8124-5bfc1b5adc8b · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Ribezzi-Crivellari and F
Reference 24
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 268a9509-5266-4835-b533-ae244ea0dc15 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Sagawa and M
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b87e1f4c-4bbb-4883-8bca-b8004fcb9288 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Sagawa and M
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation df7fd415-fce7-4b2f-8ab3-5085a4d36395 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 27
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation dd60bc21-d934-4f2a-bd2a-2d5c4d25f29f · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Tilloy, SciPost Phys.17, 083 (2024)
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation b20b31a3-1ac9-424d-b8b4-285bb8598947 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Annby-Andersson, F
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 90f2b479-471a-40d9-b7ee-872be8669c3d · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 30
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 90230429-bd27-4293-b0ea-19f088b4829e · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 31
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation b9df9ff2-8827-4b85-a14d-fb1494d0d56c · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 77332809-f7f7-4197-86c9-69fa7190957d · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Jacobs and D
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f8393c1a-3454-4def-bb5e-65e8ff83a254 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 34
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 790a3bd5-617b-41b6-9f23-03bc7314d29f · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 35
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 037208f8-c578-46ec-91a7-e11b02a4ee5d · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 36
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 25bcd71d-d106-428e-9695-77a56a7aa877 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 37
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 5afa9e12-db00-4741-a95a-42b6d94db730 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 38
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 3f3258e8-5148-488d-822a-01d8e3d82687 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 39
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation a074872d-ca50-4143-a940-7d185e61a920 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Jacobs,Quantum Measurement Theory and Its Applications (Cambridge University Press, 2014)
Reference 40
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation be6ab4be-2a03-4ae1-863a-fc85f478746c · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Zhang, Y .-X
Reference 41
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation c7c92b0f-a052-43c5-8bf3-be0f9d6b4667 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Sayrin, I
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b22d07a9-ace0-489e-8611-83a7eb49e9a9 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Catching and Reversing a Quantum Jump Mid-Flight
Reference 43
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 4e4f4361-3756-463b-a0cf-f1755282b16e · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Hofmann, V
Reference 44
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation ccaba4ec-5d8c-4846-9f72-ead2f4a1ba53 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 45
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 9722631b-2e69-4b5c-8a9b-2ec7daad5798 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 5c8e9f38-24cf-4247-8026-c4c50d8a6e4a · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 47
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 4e40db3a-5d64-44bd-87a6-4c4abb9f4e7a · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Deterministic Equations for Feedback Control of Open Quantum Systems II: Properties of the memory function
Reference 48
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 4bcf367b-bc6d-4739-9837-3786e5798b73 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Deterministic Equations for Feedback Control of Open Quantum Systems III: Full counting statistics for jump-based feedback
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a195c012-7d38-4213-9608-420e1cdb2933 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 50
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 15fc0608-4ec5-42d6-be0a-1f141ab89847 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Milz and K
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b37ae7cd-adf7-492c-a196-17a4c69b9b76 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Layton, J
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 97e91d9f-c020-4c80-a943-0671e6997792 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Di ´osi, Phys
Reference 53
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 6d534fc1-580e-4cc1-9a0e-914e5a3a05a7 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Oppenheim, C
Reference 54
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation f51b3e80-725a-48fd-85f8-8e39b58329b3 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Oppenheim, Phys
Reference 55
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dd53f37f-0168-4996-bc90-87a504329cf3 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 56
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 244234af-b57e-45ba-82c4-5ff9bab98c69 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Blanchard and A
Reference 57
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 46b1b780-8e89-4462-8ed9-52a74b9b3a72 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Hofheinz, E
Reference 58
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 81c712b8-1ac1-4d17-9470-2154286a6d6d · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Maring, A
Reference 59
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation bafd9efb-a3b2-465a-9922-c107d22a4e2f · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 60
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 5631c145-ce57-497e-ac18-104c3c392a54 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Sauter, W
Reference 61
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation f22d8e40-fc5c-4aff-891c-adc635813fcc · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Nagourney, J
Reference 62
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation a5ab4e36-27c3-46a3-8fa3-efe2c0342f38 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 63
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation a598b47c-dc5f-49f5-beef-f8493f7ee199 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Annby-Andersson, P
Reference 64
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 747ec4e3-1b51-457b-955e-f6b30bb7f03c · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 65
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 06b17c61-2c3b-44ea-9809-c61e35be0375 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Instruments and Quantum Measurements 4 C
Reference 66
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 0259f953-d584-4b24-8b83-1f5d3c5d3c31 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 67
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 317b6bcb-21a0-4838-826f-61be708bd246 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Matrix equations: generators and steady state of feedback dynamics 8 2 S.IV
Reference 68
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 9399a47f-2fd4-4070-a791-b3ea44e703ce · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Charge-based feedback 19 S.I
Reference 69
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 004e71fc-ee7a-4201-aa53-5d7dda03834a · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems As a simple example, let us consider a projective measurement ofσ z on a two-level system (qubit)
Reference 70
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation faf5ec19-0ea9-4c76-ac6c-c8289cdabdf5 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 71
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 9fbb03a6-a1a7-4ee0-896e-ac84f2bc8d36 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 72
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 04a6e3e5-7eea-43b8-84bf-df4b9f492153 · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Importantly, this result also holds when more than one memory is considered, i.e
Reference 73
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation f532232e-c68a-4364-ba9d-8760165e62aa · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems The corresponding memory-resolved state is obtained by marginalizing over the time variable:ϱ t(k) = R t 0 dτ ϱt(k, τ)
Reference 74
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 46f1303c-89b3-4132-b332-83c4e0ed793d · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Unresolved cited work
Reference 75
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 49afa365-f63f-4b66-80f6-271977dca5ab · outbound
Deterministic Equations for Feedback Control of Open Quantum Systems Considering a weak continuous Gaussian measurement of an hermitian observableAdescribed by the Kraus operators Kz [Eq
Reference 76
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation d24e8af6-0e2c-4208-9220-1cf441739e1a · inbound
Deterministic Equations for Feedback Control of Open Quantum Systems II: Properties of the memory function Deterministic Equations for Feedback Control of Open Quantum Systems
Reference 35
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 76052007-1f2d-4c37-9dec-28015336fcec · inbound
Deterministic Equations for Feedback Control of Open Quantum Systems III: Full counting statistics for jump-based feedback Deterministic Equations for Feedback Control of Open Quantum Systems
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 07b0e3fe-d6e9-4ef1-b49a-0f460419759b · inbound
An operational continuum limit of quantum combs Deterministic Equations for Feedback Control of Open Quantum Systems
Reference 62
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-11T06:34:44.6726+00:00.
Observation 2b376377-5fa0-4cd6-8451-a573367c04e6 · inbound
Deterministic quantum master equation for non-Markovian signal processing Deterministic Equations for Feedback Control of Open Quantum Systems
Reference 23
Source-reported events for the cited work
Unavailable: canonical work link unavailable.