Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-11T00:08:59.157969Z
Paper Citation Record · LEDGER
As of 21 August 2026, this Paper Citation Record lists 81 of 81 outbound references and 2 inbound Pith citation observations for arXiv:2412.19701.
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 2026-08-11T00:08:59.157969Z
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, observed 2026-07-12T04:17:05.392304Z
A source-named dated measurement, never combined with another source.
Source: arxiv_reference, observed 2026-07-03T14:58:33.625025Z
81 of 81 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation 0bb194e4-dd1a-4124-bf97-0965d9649c3f · outbound
Magnetic fields on different spatial scales of the L328 cloud write newline
Reference 1
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5ee13f90-a320-4664-8349-a0cae9597a34 · outbound
Magnetic fields on different spatial scales of the L328 cloud H., 2003, @doi [ ] 10.1086/379243 , http://adsabs.harvard.edu/abs/2003ApJ...599..363A 599, 363
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a1acab27-e46d-4f97-975f-d969e66470ba · outbound
Magnetic fields on different spatial scales of the L328 cloud O., Frau P., Girart J
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 15a7d0aa-241d-43b3-a100-28a1de5c027d · outbound
Magnetic fields on different spatial scales of the L328 cloud G., Lazarian A., Vaillancourt J
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ff3069b4-11a0-4320-8620-105f506887a4 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 0336c86d-9062-447d-b2cc-5ac3af811cab · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 47bbf352-bdad-424f-a7cf-2aff1060a710 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2d3cca4b-f971-4563-a036-ea2ef5caacd7 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 8
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8d6c555d-f078-4f12-abff-1423932cf27f · outbound
Magnetic fields on different spatial scales of the L328 cloud 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 554d9d02-51ef-425e-b1a2-3dfa2d78f071 · outbound
Magnetic fields on different spatial scales of the L328 cloud L., et al., 2006, @doi [ ] 10.1086/508161 , http://adsabs.harvard.edu/abs/2006ApJ...649L..37B 649, L37
Reference 10
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5a3c4034-58cb-49f0-b1fb-00c59d61c427 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b940637d-9b1d-45cd-ae8a-5eaf130ba539 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 12
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 51c52260-448f-4fb5-aaf1-3ed07c51229b · outbound
Magnetic fields on different spatial scales of the L328 cloud L., Berry D
Reference 13
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4978ca42-6b68-4d50-adbc-02b43ed3d443 · outbound
Magnetic fields on different spatial scales of the L328 cloud M., Myers P
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ce9b0212-fa58-4a05-addc-d28028762576 · outbound
Magnetic fields on different spatial scales of the L328 cloud M., 2004, @doi [ ] 10.1023/B:ASTR.0000045021.42255.95 , https://ui.adsabs.harvard.edu/abs/2004Ap&SS.292..225C 292, 225
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a73e6236-b512-4fd8-9582-1b6e90d0bfbd · outbound
Magnetic fields on different spatial scales of the L328 cloud M., 2012, @doi [ ] 10.1146/annurev-astro-081811-125514 , https://ui.adsabs.harvard.edu/abs/2012ARA&A..50...29C 50, 29
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 067b004e-997a-4a54-a88f-85bc90555c99 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
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 7b858ea0-ca3c-40d8-86d8-01edaee7318a · outbound
Magnetic fields on different spatial scales of the L328 cloud M., Troland T
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8929d4a4-e8d4-4db5-a86a-31ab48a04371 · outbound
Magnetic fields on different spatial scales of the L328 cloud M., Nutter D
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fc32cf94-6130-4f5c-90c3-56c913572a73 · outbound
Magnetic fields on different spatial scales of the L328 cloud J., Berry D
Reference 20
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 ff197ed6-a303-4a6e-b1db-adeda8e5ad59 · outbound
Magnetic fields on different spatial scales of the L328 cloud P., Huber K
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 57582faa-a932-4608-be63-a05aa847dd33 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation aca3e3fc-bb36-453d-ade0-4b3e51535185 · outbound
Magnetic fields on different spatial scales of the L328 cloud Z., Mitrofanov I
Reference 23
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 14662bb3-391e-4b9d-aec9-37b908e51985 · outbound
Magnetic fields on different spatial scales of the L328 cloud T., Weingartner J
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 52829bf8-7645-48b9-8694-3ec5c3a1f1ec · outbound
Magnetic fields on different spatial scales of the L328 cloud F., Pattle K., 2016, POL-2: a polarimeter for the James-Clerk-Maxwell telescope
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3bf051f3-58cb-4998-b3c9-128229c48f38 · outbound
Magnetic fields on different spatial scales of the L328 cloud S., Tomisaka K., Machida M
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cb6abfbf-0e1c-41a6-bcb7-575ffef7e946 · outbound
Magnetic fields on different spatial scales of the L328 cloud A., Jones T
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 cb9132f9-99c9-4b7e-8832-3646375d082e · outbound
Magnetic fields on different spatial scales of the L328 cloud S., 1949, @doi [Science] 10.1126/science.109.2825.166 , http://adsabs.harvard.edu/abs/1949Sci...109..166H 109, 166
Reference 28
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e218a347-8228-4729-a662-a2f98bc3acba · outbound
Magnetic fields on different spatial scales of the L328 cloud R., et al., 2020, @doi [Nature] 10.1038/s41586-020-2649-2 , 585, 357
Reference 29
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c6b7ecc2-5b95-4a80-9189-e656d3eaad98 · outbound
Magnetic fields on different spatial scales of the L328 cloud A., 1949, @doi [ ] 10.1086/145151 , http://adsabs.harvard.edu/abs/1949ApJ...109..471H 109, 471
Reference 30
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5ab8e5a2-6a86-4518-9b52-0d5f051cb87f · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b85870fa-5f16-4f8f-8f49-6c16372ec8d7 · outbound
Magnetic fields on different spatial scales of the L328 cloud S., et al., 2013, @doi [ ] 10.1093/mnras/sts612 , https://ui.adsabs.harvard.edu/abs/2013MNRAS.430.2513H 430, 2513
Reference 32
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 581a6520-2545-4669-b3aa-f1e6403ec9e4 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cf8c6b74-7c55-4bac-b511-a96d46fcff6e · outbound
Magnetic fields on different spatial scales of the L328 cloud E., Lee C
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 5135d430-6809-4f20-8a93-2132b3670a62 · outbound
Magnetic fields on different spatial scales of the L328 cloud W., Dunham M
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 aa46995d-f0f7-467e-aa97-74d6bef4e7dc · outbound
Magnetic fields on different spatial scales of the L328 cloud M., Tang Y.-W., Ho P
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation fbd86144-5c26-4480-a153-0fb9ed12b6bc · outbound
Magnetic fields on different spatial scales of the L328 cloud R., McKee C
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 7fe5ad23-4270-46a2-9f01-36b575421733 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ba7ebb84-9537-43ef-ba09-1457e3bbf66a · outbound
Magnetic fields on different spatial scales of the L328 cloud M., Girart J
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 16418b7e-41ad-4bad-8671-11e453c5d29d · outbound
Magnetic fields on different spatial scales of the L328 cloud 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 92adc5f3-94d2-498f-8e5a-c6d9f43ad31f · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 41
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 314887df-b421-40dc-b15d-91ff8bb41c88 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8d543909-0894-4a97-b4d7-118ec7118ed1 · outbound
Magnetic fields on different spatial scales of the L328 cloud T., 1999, @doi [ ] 10.1086/307233 , http://adsabs.harvard.edu/abs/1999ApJ...517..700L 517, 700
Reference 43
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3b504cd2-d2d6-4bc7-b815-43622b4832c8 · outbound
Magnetic fields on different spatial scales of the L328 cloud W., et al., 2009a, @doi [ ] 10.1088/0004-637X/693/2/1290 , https://ui.adsabs.harvard.edu/abs/2009ApJ...693.1290L 693, 1290
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 d0a6459b-4383-4408-aab0-7200824f59e6 · outbound
Magnetic fields on different spatial scales of the L328 cloud W., Kim M.-R., Kim G., Saito M., Myers P
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 f29bfac4-c63d-4863-b27b-4b58956504c8 · outbound
Magnetic fields on different spatial scales of the L328 cloud W., et al., 2018, @doi [The Astrophysical Journal] 10.3847/1538-4357/aadcf6 , 865, 131
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 afc6ab5f-1cbe-4515-ad39-d22c4fb9320c · outbound
Magnetic fields on different spatial scales of the L328 cloud 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 9cfdfd07-2e3c-4ff3-a8a1-d276fdbe0425 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation edeb51dc-3ea9-4faa-8afc-28a240f2163a · outbound
Magnetic fields on different spatial scales of the L328 cloud W., Dib S., 2011, @doi [Astronomy & Astrophysics] 10.1051/0004-6361/201116438 , 536, A99
Reference 50
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e188a833-6a35-4100-ae17-f688e1e42293 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 93487b54-9982-43ea-9406-702db132cdb9 · outbound
Magnetic fields on different spatial scales of the L328 cloud C., Wilson C
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 4ad516db-c3a0-4e8b-8479-842e716ed7b2 · outbound
Magnetic fields on different spatial scales of the L328 cloud F., Zweibel E
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 a130072a-a15b-4a22-90c3-e2adcd5c91f5 · outbound
Magnetic fields on different spatial scales of the L328 cloud P., Guillet V., 2015, @doi [ ] 10.1051/0004-6361/201424451 , https://ui.adsabs.harvard.edu/abs/2015A&A...574A.136M 574, A136
Reference 54
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9818341f-1b69-4ab9-b384-a56e6e546c89 · outbound
Magnetic fields on different spatial scales of the L328 cloud C., Ciolek G
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 e216dd13-f8b1-4e40-9076-660e7e698dc3 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
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 591ce6cd-fa41-4464-b884-4d476c549f51 · outbound
Magnetic fields on different spatial scales of the L328 cloud C., Stone J
Reference 57
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5737eb81-3874-44ec-9fb7-6dcb2432b44a · outbound
Magnetic fields on different spatial scales of the L328 cloud E., et al., 2011, @doi [ ] 10.1088/0004-637X/743/2/201 , http://adsabs.harvard.edu/abs/2011ApJ...743..201P 743, 201
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.
Observation bae12178-8aee-482a-b0ad-a1af5ec71f42 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 59
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 901c943c-5aa4-4bf4-9f36-0a2f01f5cc2d · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 60
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 72be4c2e-1801-4e3f-917b-84b23019d473 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 61
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b6a8037b-eb77-42f9-8dd7-d3cb66d871ff · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 62
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation bff34cf4-8ae0-43eb-9169-e57ad06bceb5 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 63
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 11819224-6c66-486e-a5c4-b64535d1225e · outbound
Magnetic fields on different spatial scales of the L328 cloud H., Adams F
Reference 64
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f31ed650-abcf-4be1-93ae-319ee8cb43df · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 65
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 36553af7-9b5f-4434-a3eb-06ab8e2b4a53 · outbound
Magnetic fields on different spatial scales of the L328 cloud W., Dib S., Bhatt H
Reference 66
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 9939c11f-1570-45f5-8baa-7a2a62b60b72 · outbound
Magnetic fields on different spatial scales of the L328 cloud W., 2015b, @doi [The Astrophysical Journal Letters] 10.1088/2041-8205/803/2/L20 , 803, L20
Reference 67
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 5f6e394b-9424-4d5a-b7fc-6569cb14bc3d · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 68
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 76976d64-4aab-45c9-8b95-eee71f0bc1d7 · outbound
Magnetic fields on different spatial scales of the L328 cloud G., Acosta-Pulido J., Fern \'a ndez L \'o pez M., Vaillancourt J
Reference 69
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d9ba018b-3062-46b6-8d39-8290ed5f5103 · outbound
Magnetic fields on different spatial scales of the L328 cloud H., Fissel L
Reference 70
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c9dc83af-f029-4d4f-9180-043e4f2863aa · outbound
Magnetic fields on different spatial scales of the L328 cloud M., Arce H
Reference 71
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 2b2d93f6-e74d-4475-9b8e-3a00790c741b · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 72
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 b87086c3-8c32-41f3-97cc-c6ed1346f8bc · outbound
Magnetic fields on different spatial scales of the L328 cloud pp 212--216
Reference 73
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 0c5da863-da7e-4c23-bfe8-bffe3e0fdbad · outbound
Magnetic fields on different spatial scales of the L328 cloud H., Hayashi S
Reference 74
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 20663339-be87-4d6b-82ae-fe75964ed0b6 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 75
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b9f34fb1-137f-42d5-957c-37b21b11f479 · outbound
Magnetic fields on different spatial scales of the L328 cloud N., Hoang T., 2022, @doi [Frontiers in Astronomy and Space Sciences] 10.3389/fspas.2022.923927 , https://ui.adsabs.harvard.edu/abs/2022FrASS...9.3927T 9, 923927
Reference 76
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6c581ba8-7827-48b4-804d-5a7467fb3e9e · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 77
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f9da3186-6c79-425a-b572-bd9eefc90dde · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 78
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation ca21cbad-66ee-41c3-ab67-7996964d9672 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 79
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation aa5e5f31-84fa-4891-94a8-6ac5e95b24ae · outbound
Magnetic fields on different spatial scales of the L328 cloud K., Kirk J
Reference 80
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f4a3a866-2fae-4280-a5cc-9202d6b8f862 · outbound
Magnetic fields on different spatial scales of the L328 cloud Unresolved cited work
Reference 81
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 04341338-48b1-41ef-8cf3-4925aac972f0 · outbound
Magnetic fields on different spatial scales of the L328 cloud M., Evans II N
Reference 82
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 3d69133c-844a-4142-bf7c-f1e227fec627 · inbound
Grain alignment and dust evolution physics with polarisation (GRADE-POL). II. On the physical basis of Serkowski and super-Serkowski polarisation spectra Magnetic fields on different spatial scales of the L328 cloud
Reference 4
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 1ecd633c-2f68-46ed-963c-d5f7b5f96804 · inbound
DHARA: Data Handling and Automated Reduction pipeline for AIMPOL Magnetic fields on different spatial scales of the L328 cloud
Reference 91
Source-reported events for the cited work
Unavailable: canonical work link unavailable.