Paper Citation Record · LEDGER

Classifying Quasar Types Without a Spectrum

As of 21 August 2026, this Paper Citation Record lists 55 of 55 outbound references and 0 inbound Pith citation observations for arXiv:2608.11916.

A citation records a reference. It does not transfer a finding from one paper to another.

pith.paper-citation-record.v1
2608.11916 v1

Coverage vector

measured 55 of 55 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-16T00:25:58.248074Z

measured 55 of 55 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-21T06:32:19.484+00:00

measured 0 of 0 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links

measured 0 of 1 external citation measurements

A source-named dated measurement, never combined with another source.

Source: cited_works

Reference resolution

55 of 55 outbound references displayed

verified exact7
verified fuzzy0
unresolved48
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation fd24b7cf-dace-496c-b13c-f44f2970f1cd · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 1

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.094868Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 3ddf9135-a970-40b3-bec2-2fe0c34449d6 · outbound

This paper cites F., Argudo-Fern´ andez, M., et al.

Classifying Quasar Types Without a Spectrum F., Argudo-Fern´ andez, M., et al

Reference 2

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.098085Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 7c28af65-ba0f-4295-af4e-c74e4a454525 · outbound

This paper cites 1993, ARA&A, 31, 473, doi: 10.1146/annurev.aa.31.090193.002353 Ar´ evalo, P., Churazov, E., Lira, P., et al.

Classifying Quasar Types Without a Spectrum 1993, ARA&A, 31, 473, doi: 10.1146/annurev.aa.31.090193.002353 Ar´ evalo, P., Churazov, E., Lira, P., et al

Reference 3

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.100802Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f8742b7a-7a15-4eb3-8865-16a53ddfa9e9 · outbound

This paper cites A., Phillips, M.

Classifying Quasar Types Without a Spectrum A., Phillips, M

Reference 4

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.103208Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 5899cd7c-d3a1-4741-a075-8bf4b0be08b0 · outbound

This paper cites 2019, ARA&A, 57, 467, doi: 10.1146/annurev-astro-081817-051948.

Classifying Quasar Types Without a Spectrum 2019, ARA&A, 57, 467, doi: 10.1146/annurev-astro-081817-051948

Reference 5

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.106657Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 0cba0fcc-14d1-4794-8715-d82a48d030d5 · outbound

This paper cites J., Shen, Y., Blaes, O., et al.

Classifying Quasar Types Without a Spectrum J., Shen, Y., Blaes, O., et al

Reference 6

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.109259Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 48243bde-e2d2-42d2-9d78-3ce47b208cec · outbound

This paper cites 2018, ApJ, 855, 117, doi: 10.3847/1538-4357/aab091.

Classifying Quasar Types Without a Spectrum 2018, ApJ, 855, 117, doi: 10.3847/1538-4357/aab091

Reference 7

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.112010Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 9d1445e5-7fd6-4ccf-bc57-77ce1da7614e · outbound

This paper cites 2019, Nature Astronomy, 3, 251, doi: 10.1038/s41550-018-0659-x.

Classifying Quasar Types Without a Spectrum 2019, Nature Astronomy, 3, 251, doi: 10.1038/s41550-018-0659-x

Reference 8

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.115305Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation ceffc1dd-6397-47a4-b633-616c70043b9e · outbound

This paper cites 1964, Physics Today, 17, 21, doi: 10.1063/1.3051610.

Classifying Quasar Types Without a Spectrum 1964, Physics Today, 17, 21, doi: 10.1063/1.3051610

Reference 9

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.119628Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 43966814-a718-4493-bfbb-10cc7f4017e4 · outbound

This paper cites 2011, ApJL, 727, L24, doi: 10.1088/2041-8205/727/1/L24.

Classifying Quasar Types Without a Spectrum 2011, ApJL, 727, L24, doi: 10.1088/2041-8205/727/1/L24

Reference 10

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.122572Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation d840391a-515c-4430-bb39-9328de7431d6 · outbound

This paper cites W., & Rix, H.-W.

Classifying Quasar Types Without a Spectrum W., & Rix, H.-W

Reference 11

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.125132Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4589afa9-852b-4227-a0c8-495d23e000ac · outbound

This paper cites S., Landau, S., Leese, M., & Stahl, D.

Classifying Quasar Types Without a Spectrum S., Landau, S., Leese, M., & Stahl, D

Reference 12

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.128084Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1d2ee227-21b6-4cc8-af5e-01e5a8533627 · outbound

This paper cites M., Peterson, B.

Classifying Quasar Types Without a Spectrum M., Peterson, B

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.130847Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 684d953e-d483-4da8-a445-b99ca7ef8d25 · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 14

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.133269Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 2fac7228-5adf-417e-aad3-cfcfb9b4b4b8 · outbound

This paper cites The Million Quasars (Milliquas) Catalogue, v8.

Classifying Quasar Types Without a Spectrum The Million Quasars (Milliquas) Catalogue, v8

Reference 15

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.135642Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 4ee0c4cb-3d3c-495e-ba31-ddb21806a56e · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 16

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.138518Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 6977700d-c0ae-4d1c-b737-074c44eca043 · outbound

This paper cites J., Djorgovski, S.

Classifying Quasar Types Without a Spectrum J., Djorgovski, S

Reference 17

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.140923Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 399c3580-6ce8-4b33-a3b9-07f267c2dfff · outbound

This paper cites 2025, A&A, 693, A319, doi: 10.1051/0004-6361/202450562.

Classifying Quasar Types Without a Spectrum 2025, A&A, 693, A319, doi: 10.1051/0004-6361/202450562

Reference 18

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.143390Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation fd7a4ac3-d92f-4464-8f22-986dd1e6b172 · outbound

This paper cites P., Vogeley, M.

Classifying Quasar Types Without a Spectrum P., Vogeley, M

Reference 19

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.146509Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 851dd66a-4249-41d8-b35a-8f3b240e94aa · outbound

This paper cites C., Bechtold, J., & Siemiginowska, A.

Classifying Quasar Types Without a Spectrum C., Bechtold, J., & Siemiginowska, A

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.149350Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 6d1fb2cc-2341-4d4d-bbfe-17d565262463 · outbound

This paper cites C., Becker, A.

Classifying Quasar Types Without a Spectrum C., Becker, A

Reference 21

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.152426Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1cd29e14-ec69-469d-b71e-d3f240524048 · outbound

This paper cites A., & Bian, F.

Classifying Quasar Types Without a Spectrum A., & Bian, F

Reference 22

Resolution: verified exact; doi, observed 2026-08-16T00:25:58.496886Z

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 4ca7e22b-03c5-45d5-b37b-c98f9cf25932 · outbound

This paper cites 1969, Nature, 223, 690, doi: 10.1038/223690a0.

Classifying Quasar Types Without a Spectrum 1969, Nature, 223, 690, doi: 10.1038/223690a0

Reference 23

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.157944Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 56b7ec42-f409-4082-8f4c-2d9e62483967 · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 24

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.160527Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 86db506a-1983-49b5-b807-31df5356bb14 · outbound

This paper cites L., Ivezi´ c,ˇZ., Kochanek, C.

Classifying Quasar Types Without a Spectrum L., Ivezi´ c,ˇZ., Kochanek, C

Reference 25

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.163156Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 344c440a-42c7-4175-9be3-fa845b8df6a5 · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 26

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.166079Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 2ecd2ffd-cfe8-4fe4-80fc-2d0fc431aaa5 · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 27

Resolution: verified exact; doi, observed 2026-08-16T00:25:58.478907Z

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 be522995-880a-4f46-bbf9-f10f2cc5e3bf · outbound

This paper cites J., Laher, R.

Classifying Quasar Types Without a Spectrum J., Laher, R

Reference 28

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.170857Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 5c21983b-e3b5-42e2-b09e-212764aa2d5b · outbound

This paper cites A., & Sandage, A.

Classifying Quasar Types Without a Spectrum A., & Sandage, A

Reference 29

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.173753Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 74846d69-88bb-4b3e-a955-4281d925d521 · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 30

Resolution: verified exact; doi, observed 2026-08-16T00:25:58.365552Z

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 964b4009-4706-46f9-8728-f362b8a7c810 · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 31

Resolution: verified exact; doi, observed 2026-08-16T00:25:58.358044Z

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 67aca9e0-2d47-4044-a757-f31acf9f26a3 · outbound

This paper cites S., Richards, G.

Classifying Quasar Types Without a Spectrum S., Richards, G

Reference 32

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.182347Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 78363ce5-3b7a-4e32-88c8-0df804be4a75 · outbound

This paper cites 2011, ApJL, 743, L12, doi: 10.1088/2041-8205/743/1/L12.

Classifying Quasar Types Without a Spectrum 2011, ApJL, 743, L12, doi: 10.1088/2041-8205/743/1/L12

Reference 33

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.184891Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c3e8f757-d589-4f4b-a849-13b7825cc1ed · outbound

This paper cites 2015, ARA&A, 53, 365, doi: 10.1146/annurev-astro-082214-122302.

Classifying Quasar Types Without a Spectrum 2015, ARA&A, 53, 365, doi: 10.1146/annurev-astro-082214-122302

Reference 34

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.187681Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c6fceb94-6abc-4e4a-a49c-9742de11eb44 · outbound

This paper cites 2022, MNRAS, 509, 2637, doi: 10.1093/mnras/stab3133.

Classifying Quasar Types Without a Spectrum 2022, MNRAS, 509, 2637, doi: 10.1093/mnras/stab3133

Reference 35

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.190453Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 45ea6c54-2177-4d53-935f-6eaadfa666d1 · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 36

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.193281Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 84509941-fbbc-45e5-99a0-0b25113d54cd · outbound

This paper cites A., Bian, F., Fan, X., et al.

Classifying Quasar Types Without a Spectrum A., Bian, F., Fan, X., et al

Reference 37

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.196433Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e1da64d7-6a8a-44a2-b2d9-0c7692af5fdf · outbound

This paper cites M., Richards, G.

Classifying Quasar Types Without a Spectrum M., Richards, G

Reference 38

Resolution: verified exact; doi, observed 2026-08-16T00:25:58.329180Z

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 985248d8-dc66-4d1c-b13c-9a8719cddc8d · outbound

This paper cites M., Foltz, C.

Classifying Quasar Types Without a Spectrum M., Foltz, C

Reference 39

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.201736Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 2fd4b7d6-9acb-4d72-a0f6-90af780ba3a4 · outbound

This paper cites T., Myers, A.

Classifying Quasar Types Without a Spectrum T., Myers, A

Reference 40

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.204537Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 47d3c2e0-71b8-4fc9-bc08-039670fe3316 · outbound

This paper cites L., Koo, D.

Classifying Quasar Types Without a Spectrum L., Koo, D

Reference 41

Resolution: verified exact; doi, observed 2026-08-16T00:25:58.314386Z

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 aeaf5a36-05ad-44f0-b168-b94e62c9ddca · outbound

This paper cites The Nineteenth Data Release of the Sloan Digital Sky Survey.

Classifying Quasar Types Without a Spectrum The Nineteenth Data Release of the Sloan Digital Sky Survey

Reference 42

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.210122Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f29c4630-ed2d-4a27-a8e6-e7a64c4b86ce · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 43

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.212919Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 3127602c-7506-47a0-9ee6-8a9c5ff87f1b · outbound

This paper cites Quasars and Galaxy Formation.

Classifying Quasar Types Without a Spectrum Quasars and Galaxy Formation

Reference 44

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.215529Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 056fa554-80d6-41e1-a8e2-e306a8170374 · outbound

This paper cites H., Cordes, J.

Classifying Quasar Types Without a Spectrum H., Cordes, J

Reference 45

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.218424Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 88c178df-4073-487c-becd-e0c8ba9fc2b8 · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 46

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.221046Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation d35b7f07-b438-41c2-b581-f29332c9f891 · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 47

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.223589Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 5efbbf7e-8e3e-4a30-b9c8-958d0fae3387 · outbound

This paper cites J., et al.

Classifying Quasar Types Without a Spectrum J., et al

Reference 48

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.226924Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1c4bd098-9347-42a2-8ecc-028d1f960bca · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 49

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.230568Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 3fee986a-883f-40e5-bb29-c3420322fb3c · outbound

This paper cites an unresolved cited work.

Classifying Quasar Types Without a Spectrum Unresolved cited work

Reference 50

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.232998Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 1cf7fb89-50a6-425d-8b89-d45498ac044c · outbound

This paper cites S., & Uttley, P.

Classifying Quasar Types Without a Spectrum S., & Uttley, P

Reference 51

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.235994Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 46944e5f-4173-4390-b038-931000093791 · outbound

This paper cites A., et al.

Classifying Quasar Types Without a Spectrum A., et al

Reference 52

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.238663Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 7c2ebdf3-b1f6-4486-86a4-7332cdb422fc · outbound

This paper cites 2008, Hierarchical Clustering, 31–62, doi: https://doi.org/10.1002/9780470382776.ch3.

Classifying Quasar Types Without a Spectrum 2008, Hierarchical Clustering, 31–62, doi: https://doi.org/10.1002/9780470382776.ch3

Reference 53

Resolution: verified exact; doi, observed 2026-08-16T00:25:58.279513Z

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 3c938864-669c-4038-800f-12dd93093959 · outbound

This paper cites G., Adelman, J., Anderson, Jr., J.

Classifying Quasar Types Without a Spectrum G., Adelman, J., Anderson, Jr., J

Reference 54

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.244740Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 75b0cb51-60f1-47ff-9fcc-48d276183474 · outbound

This paper cites S., Koz lowski, S., & Udalski, A.

Classifying Quasar Types Without a Spectrum S., Koz lowski, S., & Udalski, A

Reference 55

Resolution: unresolved; no resolver link, observed 2026-08-16T00:25:58.248074Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Pith citing papers

No inbound Pith citation observations are available.