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Paper Citation Record · LEDGER

On the number of edges of restricted matchstick graphs

As of 9 August 2026, this Paper Citation Record lists 11 of 11 outbound references and 0 inbound Pith citation observations for arXiv:2506.01589.

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

pith.paper-citation-record.v1
2506.01589 v1

Coverage vector

measured 11 of 11 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-07T11:53:36.180956Z

measured 11 of 11 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-09T06:31:02.800959+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

11 of 11 outbound references displayed

  • verified exact0
  • verified fuzzy7
  • unresolved4
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation eae66131-38a5-4849-908b-5b143be2635b · outbound

This paper cites an unresolved cited work.

On the number of edges of restricted matchstick graphs Unresolved cited work

Reference 1

Resolution
unresolved
raw_fallback, observed 2026-08-07T11:53:39.476925Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:35.309046Z digest=sha256:a57eeb47b1c1351778d686b2e3e17ca549ced4337c3c0b841f0a2fe1f9030efb

Observation 97da7298-76f3-41db-a748-1ee35467f41d · outbound

This paper cites (2017).Triangle-free penny graphs: degeneracy, choosability, and edge count.In International Symposium on Graph Drawing and Network Visualization (pp.

On the number of edges of restricted matchstick graphs (2017).Triangle-free penny graphs: degeneracy, choosability, and edge count.In International Symposium on Graph Drawing and Network Visualization (pp

Reference 2

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:53:39.209298Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:35.401898Z digest=sha256:ffb26a690531cf9c96bdce5bf91bf1da175fb852345dc8901226155a39625e46

Observation faea6bf3-4f8f-4076-9e2d-459343649553 · outbound

This paper cites (1946).On sets of distances ofnpoints.The American Mathematical Monthly, 53(5), 248–250.

On the number of edges of restricted matchstick graphs (1946).On sets of distances ofnpoints.The American Mathematical Monthly, 53(5), 248–250

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:53:38.894106Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:35.484677Z digest=sha256:8ebfcf9b6ab094932f199d7d93e81dc26a940e6712f57a6807ad6f37d36b9750

Observation 3e69579c-033b-45ac-8656-80a5e5970bb3 · outbound

This paper cites (2024).1-planar unit distance graphs.In 32nd International Sympo- sium on Graph Drawing and Network Visualization.

On the number of edges of restricted matchstick graphs (2024).1-planar unit distance graphs.In 32nd International Sympo- sium on Graph Drawing and Network Visualization

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:53:38.634808Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:35.550768Z digest=sha256:46f39db12257426ea69f97411f45c3182b825f3c77e590aa93d5bb7aec9bb5a6

Observation df4b1494-0ebf-4485-9fea-df199a9ace49 · outbound

This paper cites (1974).Solution to problem 664A.Elemente der Mathematik, 29, 14–15.

On the number of edges of restricted matchstick graphs (1974).Solution to problem 664A.Elemente der Mathematik, 29, 14–15

Reference 5

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:53:38.222333Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:35.628755Z digest=sha256:0aede20cbc513da9eae46675e0facfa1e4878740d830f844ab2d4b5081c80a23

Observation cf019548-75ff-4d6d-aa9e-630942b5415a · outbound

This paper cites an unresolved cited work.

On the number of edges of restricted matchstick graphs Unresolved cited work

Reference 6

Resolution
unresolved
raw_fallback, observed 2026-08-07T11:53:37.792265Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:35.719534Z digest=sha256:3a0cbcde941f0649a20a5ffe687d551924c2713a15b8706c58016592ab3f3db0

Observation 0caf185f-5a56-4953-9408-c54ed125c38c · outbound

This paper cites (1994).Match sticks in the plane.In The Lighter Side of Mathematics.

On the number of edges of restricted matchstick graphs (1994).Match sticks in the plane.In The Lighter Side of Mathematics

Reference 7

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:53:37.471802Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:35.858253Z digest=sha256:9b4d0aed8fe2eac7926150abe1d4d627987e5c3a3ad242388187aa463b7084eb

Observation 4037dca4-739a-47a2-81f3-d5219819aee3 · outbound

This paper cites (1992).Tiling polygons with parallelograms.Discrete and Com- putational Geometry, 7(2), 175–188.

On the number of edges of restricted matchstick graphs (1992).Tiling polygons with parallelograms.Discrete and Com- putational Geometry, 7(2), 175–188

Reference 8

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:53:37.206276Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:35.924272Z digest=sha256:9fe1e6dd813cd0f1e7a21b7ce6d2f35aa409eb2cc44b8b480a216b2e1dcade39

Observation ddb07efb-79f1-4808-af9d-4c6226ae6cfb · outbound

This paper cites (1993).Tiling a polygon with parallelograms.Algorithmica, 9, 382–397.

On the number of edges of restricted matchstick graphs (1993).Tiling a polygon with parallelograms.Algorithmica, 9, 382–397

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-07T11:53:36.964184Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:36.004863Z digest=sha256:d930c4ef4a205a141b001cae132f3bb76c5497a344fd093e0a8fcfce2bf66d54

Observation f9d8906e-859f-47c2-91f3-f6ee637636c2 · outbound

This paper cites an unresolved cited work.

On the number of edges of restricted matchstick graphs Unresolved cited work

Reference 10

Resolution
unresolved
raw_fallback, observed 2026-08-07T11:53:36.679278Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:36.083148Z digest=sha256:dda5541fa48d5dc79916e79f5074770b597f277b89682f7af690ce9b7f5b600c

Observation 1cc9b507-eeb2-44e2-8a51-ac916bb7a045 · outbound

This paper cites an unresolved cited work.

On the number of edges of restricted matchstick graphs Unresolved cited work

Reference 11

Resolution
unresolved
raw_fallback, observed 2026-08-07T11:53:36.377522Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.

source=pdf_text observed=2026-08-07T11:53:36.180956Z digest=sha256:71b11a3da560cab3b4d03e94cdfed9349b6b92a61f9f016b6d5258eb3c6ca184

Pith citing papers

No inbound Pith citation observations are available.