Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-16T00:55:53.052722Z
Paper Citation Record · LEDGER
Jet shape modification in a transport calculation
As of 20 August 2026, this Paper Citation Record lists 58 of 58 outbound references and 0 inbound Pith citation observations for arXiv:2505.02436.
A citation records a reference. It does not transfer a finding from one paper to another.
Coverage vector
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-20T06:33:59.587034+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
Reference resolution
58 of 58 outbound references displayed
- verified exact0
- verified fuzzy40
- unresolved18
- parse uncertain0
- malformed identifier0
- metadata mismatch0
External citation measurements
No source-named external measurement is stored.
Outbound references
Observation 39f6921e-af2a-4614-b9cc-380218863b3e · outbound
This paper cites The string-melting AMPT with these parameter values agrees very well with hadron multiplicity and flow harmonics data at LHC energies.
Jet shape modification in a transport calculation The string-melting AMPT with these parameter values agrees very well with hadron multiplicity and flow harmonics data at LHC energies
Reference 1
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.946426Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 0c5e97c1-0ed7-48b4-b010-580647209a8d · outbound
This paper cites Adler et al.
Jet shape modification in a transport calculation Adler et al
Reference 2
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.885179Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 3005ba0e-45a4-49e1-9c24-1da56d9b243d · outbound
This paper cites This can be traced to (i) a smaller and more real- istic minijet production in HIJING 2.0 initial conditions as discussed in Sec.
Jet shape modification in a transport calculation This can be traced to (i) a smaller and more real- istic minijet production in HIJING 2.0 initial conditions as discussed in Sec
Reference 3
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.915848Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 5d69014c-3351-4e7e-b38a-2086cba7df42 · outbound
This paper cites Adcox et al.
Jet shape modification in a transport calculation Adcox et al
Reference 4
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.899631Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 7238900a-379c-4635-9412-d28ce8781225 · outbound
This paper cites 5 mb and collisional plus radiative energy loss for σ el gg = 1.
Jet shape modification in a transport calculation 5 mb and collisional plus radiative energy loss for σ el gg = 1
Reference 5
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.931021Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation fcbc6be1-7a6d-4938-bb5d-5eb1c917b3d2 · outbound
This paper cites Adam et al.
Jet shape modification in a transport calculation Adam et al
Reference 6
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.870568Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 2c23114c-731f-47d8-bda6-dc2735867934 · outbound
This paper cites Khachatryan et al.
Jet shape modification in a transport calculation Khachatryan et al
Reference 7
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.856175Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation d9aa4b77-42eb-4002-81d4-d9af65e7a9cc · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 8
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.841825Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation d46b3c29-47bf-4400-803b-827b88ee82da · outbound
This paper cites Aaboud et al.
Jet shape modification in a transport calculation Aaboud et al
Reference 9
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.825839Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 80c0398d-9308-4cf2-80c2-8d28a22b234e · outbound
This paper cites Aad et al.
Reference 10
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.810895Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation af9ed57e-d389-41e1-9bda-761b4a4c64fe · outbound
This paper cites Acharya et al.
Jet shape modification in a transport calculation Acharya et al
Reference 11
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.795878Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 53de4c2a-ff98-4017-b33a-d539cbbb2bbd · outbound
This paper cites Acharya et al.
Jet shape modification in a transport calculation Acharya et al
Reference 12
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.780181Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation f8833621-decf-458f-ab94-9605592cef4c · outbound
This paper cites Abelev et al.
Jet shape modification in a transport calculation Abelev et al
Reference 13
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.765003Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation e71798cd-2ccd-4a73-92ea-0d52b898d6dc · outbound
This paper cites Aad et al.
Reference 14
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.749718Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 862fb2b0-4972-4b98-8a23-368fed0bd11c · outbound
This paper cites Mehtar-Tani, J.
Jet shape modification in a transport calculation Mehtar-Tani, J
Reference 15
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.734283Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation e770244d-d32a-43ee-bc7f-4ce2523a6d61 · outbound
This paper cites Majumder and M.
Jet shape modification in a transport calculation Majumder and M
Reference 16
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.719838Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 68f1b48f-24c6-4efc-afab-9d57db2ee4ef · outbound
This paper cites Cunqueiro and A.
Jet shape modification in a transport calculation Cunqueiro and A
Reference 17
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.705250Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 6b89eda4-3905-430c-9352-4ff9de7361c5 · outbound
This paper cites Majumder, Phys.
Jet shape modification in a transport calculation Majumder, Phys
Reference 18
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.690755Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation c037f17e-5a27-45d5-8a21-cb0e7551cb6d · outbound
This paper cites Cao and A.
Reference 19
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.675687Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 012e3d87-723c-4c36-a838-d9ee805f39a2 · outbound
This paper cites Pal and S.
Reference 20
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.660523Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation ea5fea1e-0576-4d08-b7d9-e63462e05b51 · outbound
This paper cites Tachibana and T.
Jet shape modification in a transport calculation Tachibana and T
Reference 21
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.645709Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 24d9c29d-2c0f-4ed3-a47f-75d8e84af090 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 22
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.630152Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 1493ebaf-bf83-4b41-8442-b3f879b3a7f0 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 23
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.615132Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 0ea81226-9d5e-408f-9c29-141b788e47ef · outbound
This paper cites Schenke, C.
Jet shape modification in a transport calculation Schenke, C
Reference 24
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.600548Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation cb71e370-e4e9-449a-9757-df20499ba85d · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 25
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.585539Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 20628359-0073-45f4-a2fa-7dadaf684657 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 26
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.571063Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 46cefb2a-a981-4e0e-a007-8c7c26b3d413 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 27
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.556453Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 86e74bb6-c00c-46a8-92ea-ce61197f2663 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 28
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.540839Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation a31f6a1b-b7dd-4bd1-b48e-49fcbb6a0016 · outbound
This paper cites Tachibana, N.
Jet shape modification in a transport calculation Tachibana, N
Reference 29
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.526223Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 3bec53a9-a84c-4424-a44b-a050d29954f6 · outbound
This paper cites Jeon and G.
Jet shape modification in a transport calculation Jeon and G
Reference 30
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.511004Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation dfc1f7ad-8ad5-4a72-986f-841a0e92ec3c · outbound
This paper cites Turbide, C.
Jet shape modification in a transport calculation Turbide, C
Reference 31
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.496087Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 0a770236-fae8-4477-af40-25c92cc948ad · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 32
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.481095Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation f6d3e969-ba2c-406b-9973-056365d12bde · outbound
This paper cites Gyulassy, P.
Jet shape modification in a transport calculation Gyulassy, P
Reference 33
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.466052Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 7ec4347e-f454-4dc0-931e-8abe7926f8c8 · outbound
This paper cites Djordjevic and M.
Jet shape modification in a transport calculation Djordjevic and M
Reference 34
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.450923Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation fb00d4c3-ee97-41c5-a6b3-e99b0af38136 · outbound
This paper cites Tachibana, C.
Jet shape modification in a transport calculation Tachibana, C
Reference 35
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.435974Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 4e10e4ee-cac6-4547-bcd6-1678dd2d5c79 · outbound
This paper cites Rapidity asymmetry of jet-hadron correlation as a robust signal of diffusion wake induced by di-jets in high-energy heavy-ion collisions.
Jet shape modification in a transport calculation Rapidity asymmetry of jet-hadron correlation as a robust signal of diffusion wake induced by di-jets in high-energy heavy-ion collisions
Reference 36
- Resolution
- unresolved
- no resolver link, observed 2026-08-16T00:55:52.942140Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 75dfefba-bf12-479c-8e73-0d0c12092fa8 · outbound
This paper cites Pablos, Phys.
Jet shape modification in a transport calculation Pablos, Phys
Reference 37
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.420454Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 80df96c1-bb48-4c0b-bd4d-69fff4426447 · outbound
This paper cites Casalderrey-Solana, D.
Jet shape modification in a transport calculation Casalderrey-Solana, D
Reference 38
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.405581Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 2bc588f3-5b75-4730-b03f-9651a56014b0 · outbound
This paper cites Xu and C.
Reference 39
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.391021Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 92596f4f-c8b2-489d-a3ca-96008297eed8 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 40
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.376471Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation a5248a3c-7e05-46a6-ae1a-5ca39c2ce168 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 41
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.362149Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 54929da8-4682-4870-a4ba-6c3b1db15863 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 42
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.347531Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation ce675c7a-cb23-40a6-a7f5-b8048538411c · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 43
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.333359Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation d8d7057b-736a-43a4-aaf0-35c385a56e94 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 44
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.319049Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation ce794709-5a9c-4e47-95cb-2a5f1d5ef9fd · outbound
This paper cites Acharya et al.
Jet shape modification in a transport calculation Acharya et al
Reference 45
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.304032Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 5027ae79-42fc-48fd-bf07-fa585ff90f2f · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 46
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.289926Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 584fe147-fee7-4e94-8d84-15f1396ec1e7 · outbound
This paper cites Pal and M.
Reference 47
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.274867Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 492ae8c1-9fd2-428c-a60c-2f3fe195b68e · outbound
This paper cites Sj¨ ostrand, S.
Jet shape modification in a transport calculation Sj¨ ostrand, S
Reference 48
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.259771Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation d373bc7a-cb22-401f-9e09-5a4abac10ac6 · outbound
This paper cites Zhang, Y.
Reference 49
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.244999Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation b56aecec-3ff9-41ed-a39c-7f2fddd810ab · outbound
This paper cites QCD jets in a hot and dense medium: a study of shower formation time and collision kernels.
Jet shape modification in a transport calculation QCD jets in a hot and dense medium: a study of shower formation time and collision kernels
Reference 50
- Resolution
- unresolved
- no resolver link, observed 2026-08-16T00:55:53.011731Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e0d579cc-3d0a-4529-bb41-a05248d4c9a1 · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 51
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.230202Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 52f5ac9b-0702-4854-9d92-83c5310b907f · outbound
This paper cites Majumder, Phys.
Jet shape modification in a transport calculation Majumder, Phys
Reference 52
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.215761Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation f1408f51-83be-4325-91cf-e2e5f33994db · outbound
This paper cites an unresolved cited work.
Jet shape modification in a transport calculation Unresolved cited work
Reference 53
- Resolution
- unresolved
- raw_fallback, observed 2026-08-16T00:55:53.200463Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation e14d6f0d-3219-4c41-bbbf-941163308617 · outbound
This paper cites Cacciari, G.
Jet shape modification in a transport calculation Cacciari, G
Reference 54
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.183679Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 0fee305f-dedf-44c1-b0dd-e3da852081e1 · outbound
This paper cites Armesto, B.
Jet shape modification in a transport calculation Armesto, B
Reference 55
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.168629Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 63d16e69-6df2-4bf3-99ca-3a1e73f7c7c7 · outbound
This paper cites Mehtar-Tani, S.
Jet shape modification in a transport calculation Mehtar-Tani, S
Reference 56
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.152222Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 98ee2acd-5ca2-4c09-ac2e-ea4f31c9d176 · outbound
This paper cites Brewer, A.
Reference 57
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.137416Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Observation 820ec626-e17e-44eb-9e6a-79597def6e84 · outbound
This paper cites Mehtar-Tani, D.
Jet shape modification in a transport calculation Mehtar-Tani, D
Reference 58
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-16T00:55:53.122475Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-20T06:33:59.587034+00:00.
Pith citing papers
No inbound Pith citation observations are available.