Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-05T10:57:51.788718Z
Paper Citation Record · LEDGER
As of 7 August 2026, this Paper Citation Record lists 72 of 72 outbound references and 0 inbound Pith citation observations for arXiv:2509.03455.
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 2026-08-05T10:57:51.788718Z
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-07T06:34:17.273281+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
72 of 72 outbound references displayed
External citation measurements
No source-named external measurement is stored.
Observation e2efad11-ac0c-4ae1-b2b2-a5d8b308b94d · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 1
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation f2a89343-68e7-499c-b299-b93fc597bd10 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b S., Glocer A., Gronoff G., Hebrard E., Danchi W., 2016, @doi [Nature Geoscience] 10.1038/ngeo2719
Reference 2
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5a10c4e1-f106-4a13-822f-5435ec5e8b98 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b M., Grevesse N., 2021, @doi [Astronomy & Astrophysics] 10.1051/0004-6361/202140445 , 653, A141
Reference 3
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 3463faab-246b-43d6-a131-e81b6ddab308 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Kinetic and photochemical disequilibrium in the potentially carbon-rich atmosphere of the warm-Jupiter WASP-69b
Reference 4
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 83ad6fe4-0da9-405c-9fd8-d4ffad2bca2b · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b B., Colón K
Reference 5
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c8823d33-a390-4f25-a8b0-9222aa8d8433 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 6
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e4d5b8fc-25f5-4e6d-a267-f6c424e137a3 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 7
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation dadb6838-7a4c-4f06-a32f-b49bef5bdc40 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b D., Mandell A
Reference 8
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 6fc77e04-3966-413c-9152-8283be522adb · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 9
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation dc80c259-7b10-4e3f-a69a-9580498b1235 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b C., Aldrich E
Reference 10
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation a54b3825-7434-4f14-828f-1caac2e86c62 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 11
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 511e9c0c-5f3c-4665-beca-e55129e77ae1 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b B., Rimmer P
Reference 12
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation d3bfc057-2f19-4788-8f7b-e0fd8bdcdeb3 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b et al., 2017, @doi [A&A] 10.1051/0004-6361/201731558 , 608, A35
Reference 13
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d44c9e8d-eb20-4e3e-b8a9-371d16fe1d7b · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b et al., 2019, @doi [A&A] 10.1051/0004-6361/201833995 , 621
Reference 14
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2445af63-4777-47fa-a03a-95aa22e0a08e · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Considerations for Photochemical Modeling of Possible Hycean Worlds
Reference 15
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c0b8d309-b335-4ae6-bc7b-c161cb6d2fa0 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b D., Meadows V
Reference 16
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4f6d84ab-e7cf-43cd-92e0-5d43c13e64b1 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b S., Mayne N
Reference 17
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d59daba9-af59-4384-9292-8ee92f8c77c5 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 18
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9b418b4b-b203-41dc-b3ff-30473847cb75 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 19
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8badfdfc-4cd0-4e3c-a421-2a327c11df3e · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b J., McLean A
Reference 20
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation fd82ccb0-2519-4faa-ab8d-d8bab4ef1e21 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 21
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation cda3337a-4dc5-4238-bfc6-d2d7cb175ec4 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b B., Shorttle O., Madhusudhan N., 2021, @doi [Monthly Notices of the Royal Astronomical Society] 10.1093/mnras/stab1839 , 506, 3186–3204
Reference 22
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 068dfd0c-2176-4a55-8801-28d448b3df70 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 23
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2a4598fe-e1a8-4939-bf53-de5a1788f0bb · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 24
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c69cd256-ef22-4012-b163-7f68c9cac8ba · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b A water-rich interior in the temperate sub-Neptune K2-18 b revealed by JWST
Reference 25
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8df2a401-f018-4a62-a621-2a73306323d1 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b J., Ranjan S., Zhan Z., 2022, @doi [Astrobiology] 10.1089/ast.2020.2358 , 22, 171
Reference 26
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 13444bf4-7302-488b-91a8-0d53aebb5c46 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b T., 2023, @doi [The Astrophysical Journal] 10.3847/1538-4357/ace346 , 953, 168
Reference 27
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 8e932866-3266-4e92-bdb9-01e30eadba6b · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 28
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 9d272d55-9a79-4d94-a8bd-7584c6970b5f · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 29
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 1db29200-45df-4f4e-8646-e410be67c664 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b S., Ford E
Reference 30
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 1f5393f6-e855-4493-a707-9a1b4412c9da · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b A., 2014, @doi [Icarus] https://doi.org/10.1016/j.icarus.2014.03.041 , 236, 83
Reference 31
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b2a55567-748e-47d2-9734-5d9b5a6aee00 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 32
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 5e7f9073-3a2d-436e-8bd7-47592440ba50 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b T., Steinrueck M
Reference 33
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 76e5985b-2395-476f-9850-3cca4870252b · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b R., Deming D., Burrows A., Fortney J
Reference 34
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 26aab8ac-7e1a-4cdf-bea9-6c860fe881f3 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 35
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f53b1d22-568c-4136-9b1f-ff211b0d7f54 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Springer International Publishing, p
Reference 36
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 90f189c6-e29d-43e3-ab43-6e4af52e61ef · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b C., Welbanks L., Piette A
Reference 37
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 37a5a9f9-2806-4937-9bc6-53929b5f2198 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 38
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 27d6e4f2-a7cc-40d5-a648-adaaf30c51e9 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Carbon-bearing Molecules in a Possible Hycean Atmosphere
Reference 39
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6c303211-262e-430a-8b46-7bc6b5d0fba3 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b I., Rigby F., Barrier E., 2023b, @doi [Faraday Discuss.] 10.1039/D3FD00075C , 245, 80
Reference 40
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 66702c9d-55d9-445a-ab33-9834b2b4d61c · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 41
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 83f8ddac-dc50-468d-9cbd-1f3fd3f87fc3 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 42
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 65bf26a7-daec-494a-a842-cec7e2534c7a · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b T., et al., 2015, @doi [The Astrophysical Journal] 10.1088/0004-637X/809/1/25 , 809, 25
Reference 43
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a36131c5-d866-478f-96a4-fb73b321e613 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b I., et al., 2011, @doi [ ] 10.1088/0004-637X/737/1/15 , https://ui.adsabs.harvard.edu/abs/2011ApJ...737...15M 737, 15
Reference 44
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2bba89c8-32f7-460d-8359-08818fa72f5a · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b I., et al., 2016, @doi [ ] 10.3847/0004-637X/829/2/66 , https://ui.adsabs.harvard.edu/abs/2016ApJ...829...66M 829, 66
Reference 45
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4f2fccd5-b290-49e8-9edb-7cb5d8c1df05 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 46
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 988a1a33-7e83-46d2-b50d-7628ee8c7d36 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b A Systematic Search for Trace Molecules in the Atmosphere of Exoplanet K2-18 b
Reference 47
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9648cf46-335c-46f2-8fdf-5fac5cbf6374 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 48
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 5e9f3ea3-a089-48fc-86a3-665ac4454136 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b B., Helling C., 2016, @doi [The Astrophysical Journal Supplement Series] 10.3847/0067-0049/224/1/9 , 224, 9
Reference 49
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation f66eba96-8117-4d4a-8d17-ef7105ccd9f8 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 50
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation b2d6a6da-1cac-4553-bca5-19ed0107dd86 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b B., Xu J., Thompson S
Reference 51
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 9c1800ab-633d-47c7-960e-67364f959e2f · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Hydroxide salts in the clouds of Venus: their effect on the sulfur cycle and cloud droplet pH
Reference 52
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 660b9c26-3846-4925-ad55-24124bc63dec · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 53
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 11887753-dd36-4f14-8a6a-d3e417f9ae82 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b B., Majumdar L., Priyadarshi A., Wright S., Yurchenko S
Reference 54
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 51980445-4947-4b4c-a115-e5f4e093ce75 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 55
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 16dda24b-9e44-42c1-bdee-8b0a177a9014 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 56
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 6e34275d-e995-46b4-a34c-4b889d0e79ab · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Princeton University Press
Reference 57
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 34c0d7ae-b4f2-4811-a7f8-e057e81a3586 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 58
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 43aacfb0-b05c-42ce-8f7a-73490ed8fd20 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 59
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c576116f-e167-4dd2-8a71-bb46c5544268 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b J., 2024, @doi [ ] 10.3847/2041-8213/ad206e , https://ui.adsabs.harvard.edu/abs/2024ApJ...962L...8S 962, L8
Reference 60
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 643a2255-6ca3-4408-abbb-3d2a12e7ab24 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 61
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 52a8b054-26e3-4ef1-ab89-8f3ad74be67f · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b R., Helling C., Diver D
Reference 62
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.
Observation 7b53eaa5-9767-46a8-815f-23aeb792a130 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b W., Kitzmann D., Patzer A
Reference 63
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 72e1cbd1-0ddc-4da7-9576-e403d4d90de4 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 64
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation be45866d-b463-4f63-a8b6-7e4f1cf82a65 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Hébrard, E
Reference 65
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 719aa54e-33f1-4cb6-af54-8f06b7da954d · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 66
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 2a4fd084-45c3-4745-ae22-c9c646cd30e3 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b F., Batalha N
Reference 67
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d1b3527a-dff0-4705-8211-cd87eb1418ee · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 68
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 4ae33711-0fa9-4abf-acaa-0fa3929d421b · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b Unresolved cited work
Reference 69
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 045244b3-54fb-4c46-a3a4-52f84c5bc3e2 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b I., Fortney J
Reference 70
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation faf0d849-74d8-4ab3-8dcb-2f5f2ed11627 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b L., Allen M., Pinto J
Reference 71
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation c6fe8c1f-d97a-4bf1-b325-402b98f2a0b3 · outbound
Nitrogen chemistry of hycean worlds on the example of K2-18b write newline
Reference 72
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
No inbound Pith citation observations are available.