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Paper Citation Record · LEDGER

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar

As of 18 August 2026, this Paper Citation Record lists 27 of 27 outbound references and 0 inbound Pith citation observations for arXiv:1909.00223.

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

pith.paper-citation-record.v1
1909.00223 v1

Coverage vector

measured 27 of 27 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T06:19:11.664279Z

measured 27 of 27 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-18T06:34:40.430872+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

27 of 27 outbound references displayed

  • verified exact1
  • verified fuzzy14
  • unresolved12
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation fad94f59-2fdb-4b9c-b7c4-0087be4222d2 · outbound

This paper cites Ackerman.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Ackerman

Reference 1

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.993154Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.557764Z digest=sha256:12ade4ed5389f64c1e9c7ec85c14c085577645d24e8a8e2a6fccff16ff09ddd6

Observation 61d533c5-cff4-4955-b3f5-6c4509dee819 · outbound

This paper cites On topological graphs with at most four crossings per edge.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar On topological graphs with at most four crossings per edge

Reference 2

Resolution
unresolved
no resolver link, observed 2026-08-14T06:19:11.562752Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T06:19:11.562752Z digest=sha256:07ddfafdb0b9e869d80676626c0cb543de51eba97f664ffab22d4bc9f94f40eb

Observation a403fdd9-04cf-4775-b096-193f8b6d6c2f · outbound

This paper cites Ackerman, J.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Ackerman, J

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.982442Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.567011Z digest=sha256:55c78418c1cbc2c3021384b548e2486033b139b60f0553401c265bde6d43953b

Observation a33097fe-f7dd-4092-9192-9efc42c8b50e · outbound

This paper cites Ackerman and G.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Ackerman and G

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.971849Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.570642Z digest=sha256:9b83256d80d813c9e1ff877372f7b1367cd918dba09728d4855904b8025fb4e6

Observation aee0cef5-7478-4025-8417-65f28946a5e7 · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 5

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.961204Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.575572Z digest=sha256:4860d5063e497f20fa08dcdd4c44c33b29cfb2d9c262b9f69d9a75b6278db036

Observation 820165ce-e63a-425d-a537-ee2310df1e52 · outbound

This paper cites Angelini, M.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Angelini, M

Reference 6

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.949819Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.579962Z digest=sha256:31f31d18bce439a6421a341eae235947d68fbc83f8dd76438190d9b1b3bc28c0

Observation 9df34d7e-13cc-476f-9a0c-c634d8534fca · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 7

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.937964Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.584391Z digest=sha256:0c899ddc9bc1242038dab830296b9b874089a1c2ac37a961a2b7c83bb569d3cc

Observation c194b70e-4b86-4e7b-ac3e-5d8c10081d30 · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 8

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.926456Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.588960Z digest=sha256:5a09880091b2b6150711df5a1bc23517c86bb628ee5cb34c08b5b9eabe4f66df

Observation f87fd407-9044-4879-a869-d90f1be20d9b · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 9

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.915489Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.593950Z digest=sha256:05379b571a6d7a2999b46f21f326fa5a6daf8e9068a29ef285a7ae85eeddae6b

Observation 8c444336-11a8-4818-87c5-6ff2cdedbc63 · outbound

This paper cites Binucci, M.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Binucci, M

Reference 10

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.903523Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.599024Z digest=sha256:f9943da480f025bc9e4ba1a7222d4b762ddf27f9c7f264dd92cf2d15be87ac32

Observation c7e26ce3-d7f6-4d5b-91cb-b6bd6969d804 · outbound

This paper cites Binucci, E.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Binucci, E

Reference 11

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.891477Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.603063Z digest=sha256:8b5ed58124f5c27956faf7c73997bd837004c1b82b0be1b17979e3a7fe292309

Observation 130bb9f5-c779-4084-9c57-28752f1b3af2 · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 12

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.880722Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.607095Z digest=sha256:7100938453b0d6979040522ac6acbc09c4b594a3be451f6a958bd396595b4971

Observation abdda6e7-4132-4d2b-8fd4-235847908015 · outbound

This paper cites Capoyleas and J.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Capoyleas and J

Reference 13

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.870158Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.611195Z digest=sha256:9a264f65a5fa615ac3f7a65298543fcde47e5649e23235a0345444ce3d2e4053

Observation cfa64f1b-72bf-474c-a8b1-0d54634a54ba · outbound

This paper cites Cheong, S.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Cheong, S

Reference 14

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.858472Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.614862Z digest=sha256:2ea6758152a045d0c89c8682612451eeb20790bf58c8b73c31542fc077034e83

Observation 3ef91866-aad1-483a-ac68-31d977e3559f · outbound

This paper cites Didimo, G.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Didimo, G

Reference 15

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.846872Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.618603Z digest=sha256:3ef9b6d848e3107a977961635d75783f5e10ce7f368fdc031d395507fb023d3f

Observation 1bafacad-445c-4248-a558-0c080b7cf33e · outbound

This paper cites Eades and G.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Eades and G

Reference 16

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.836235Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.622248Z digest=sha256:02a94dcc70b9deb389cff4348dbd7ecb9538ac2e0c2f0b24fc36b0a075a6bf7c

Observation c7ff6714-dc34-4aee-af82-32bf05884930 · outbound

This paper cites Fox and J.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Fox and J

Reference 17

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.825653Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.625878Z digest=sha256:4ca37fd8c80e0eaba57bac1e130215632c634aa317c47be028a4e0df2a990001

Observation fa7dcf76-0bb5-4906-840e-9c20e4aec20a · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 18

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.814482Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.629340Z digest=sha256:c20f2a777fdae2146b22dc656f76e08983a2b622e352243325e67f399bb0eaee

Observation 16932d05-3c12-426a-9bde-f15d29aacebd · outbound

This paper cites Hoffmann and C.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Hoffmann and C

Reference 19

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.802101Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.632843Z digest=sha256:1abfa15c59f0ba18e79b103bb808d2f334c04ab544a6d51568fbd98dd2ba6ff1

Observation d8420398-ecc9-4628-a9bc-91a6640cb016 · outbound

This paper cites The Density of Fan-Planar Graphs.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar The Density of Fan-Planar Graphs

Reference 20

Resolution
verified exact
local_arxiv, observed 2026-08-14T06:19:11.698992Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.636505Z digest=sha256:d9643f8ff8e8e1de1f22f2d5dd6f1cff93facc12567b41a0c8f80be364e1c634

Observation 71f15326-90eb-4401-a49c-ace414454b03 · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 21

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.791355Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.641385Z digest=sha256:b1ec3da4dc93a021c2f6a209be89e482e1d9735452bdd09ecc0d8e9322ceb50e

Observation 533a6c82-0297-47d5-a84b-1e9dbf271fe8 · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 22

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.780151Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.644888Z digest=sha256:60e5e32fca94d304fd149e64b1dfa5aa89449effbc54c2fee5f9b3477ef091a5

Observation de1b38ee-752a-4701-b60c-2a11a0f895e0 · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 23

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.768125Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.649296Z digest=sha256:9be764b8c2f3ffc3d61e8e390e1fc585190bdfedf22228463bb16ec230821958

Observation 47642e5f-af45-4949-bb3a-565966da4001 · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 24

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.755477Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.652676Z digest=sha256:ee474c9b4587041fb0c4e12f2794eb2c3bc12179d59c027dee2f0c38d47c3841

Observation 682a500a-23fc-411f-9e4d-99139a313f86 · outbound

This paper cites Pach and G.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Pach and G

Reference 25

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.743057Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.656272Z digest=sha256:1f45a0a6b5b666386f938e0092bc89c02cece071ceebad8e588f9d842dbd62e3

Observation ee5e8531-74d9-4060-a0c3-953b6262a44a · outbound

This paper cites Suk and B.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Suk and B

Reference 26

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T06:19:11.732036Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.659879Z digest=sha256:bb7b9e952be72fe3640751548953baa2647f425bab49da3c96d6b50dd7bc25a4

Observation cadba79d-7f17-49a3-b142-1c9f2e3cf45d · outbound

This paper cites an unresolved cited work.

Simple $k$-Planar Graphs are Simple $(k+1)$-Quasiplanar Unresolved cited work

Reference 27

Resolution
unresolved
raw_fallback, observed 2026-08-14T06:19:11.721678Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-18T06:34:40.430872+00:00.

source=pdf_text observed=2026-08-14T06:19:11.664279Z digest=sha256:08492fda44f9f34fcb15eb29f49e11c31338cd5db80ab1348bbff13e0248923c

Pith citing papers

No inbound Pith citation observations are available.