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Paper Citation Record · LEDGER

The fundamental theorem for singular surfaces with limiting tangent planes

As of 16 August 2026, this Paper Citation Record lists 15 of 15 outbound references and 0 inbound Pith citation observations for arXiv:1908.04821.

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

pith.paper-citation-record.v1
1908.04821 v2

Coverage vector

measured 15 of 15 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-14T13:46:21.348368Z

measured 15 of 15 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-16T06:30:59.297886+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

15 of 15 outbound references displayed

  • verified exact2
  • verified fuzzy6
  • unresolved7
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 9c33afab-4579-4e6d-849a-b32860ae1707 · outbound

This paper cites an unresolved cited work.

The fundamental theorem for singular surfaces with limiting tangent planes Unresolved cited work

Reference 1

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:46:21.613975Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.279323Z digest=sha256:83b85bd257c4af6598c0eb4e4065a47ca16270137ecc3ce94398546338ea5cd7

Observation 0403482c-782b-4831-a31e-12a076e5fce2 · outbound

This paper cites an unresolved cited work.

The fundamental theorem for singular surfaces with limiting tangent planes Unresolved cited work

Reference 2

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:46:21.599465Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.284948Z digest=sha256:78e7f3723e60b24abf8b0b7498aaba1c867e75a22f85795ed90696338b290305

Observation 87036bfd-86f1-4e96-ae5d-61bf5a8120e1 · outbound

This paper cites Fujimori, K.

The fundamental theorem for singular surfaces with limiting tangent planes Fujimori, K

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:46:21.585096Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.289990Z digest=sha256:35bdbbc81b4cf5fdc5cfcd42edee57b0d4f67aead12f2ebd12f461dc4dbf1d77

Observation 9b0c39a4-af73-47e8-be42-e69bb4dd0988 · outbound

This paper cites Fukunaga, M.

The fundamental theorem for singular surfaces with limiting tangent planes Fukunaga, M

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:46:21.570929Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.294974Z digest=sha256:a47a44a0aed42b4a696e71b3e6fe2a1c4e666b52e0712838532e0e6c5240bf4c

Observation 44e3cc3c-5379-4cb6-95b9-bfe056edba2a · outbound

This paper cites Hasegawa, A.

The fundamental theorem for singular surfaces with limiting tangent planes Hasegawa, A

Reference 5

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:46:21.555151Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.299881Z digest=sha256:f59b9f28dfab1d203e65c39654bfec147f291c9a8c679f1f5350af4244526594

Observation ca276070-196c-4f61-a7d9-833d0075b83f · outbound

This paper cites Recognition Problem of Frontal Singularities.

The fundamental theorem for singular surfaces with limiting tangent planes Recognition Problem of Frontal Singularities

Reference 6

Resolution
verified exact
local_arxiv, observed 2026-08-14T13:46:21.416739Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.304400Z digest=sha256:b47caebc15b1cd734d3e5cdf3a46161d6429b24fd883a6be91c9fe2259032807

Observation ef67df37-f21a-4d0d-afb3-c3bf32318a19 · outbound

This paper cites Ishikawa, Singularities of frontals, Adv.

The fundamental theorem for singular surfaces with limiting tangent planes Ishikawa, Singularities of frontals, Adv

Reference 7

Resolution
unresolved
no resolver link, observed 2026-08-14T13:46:21.309242Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-14T13:46:21.309242Z digest=sha256:65cf596fa123bb9a973c7ab0039d98455c42401c5c012eb1ac65fcd3f0a767ae

Observation 844da62a-2472-44b3-8748-9359644996f2 · outbound

This paper cites Kokubu, W.

The fundamental theorem for singular surfaces with limiting tangent planes Kokubu, W

Reference 8

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:46:21.527781Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.313997Z digest=sha256:195b3e87d5a8b2f8f4b2a3646608f4dfab4f79c5697daa48689762505216cd67

Observation 4cc3a99e-3e56-4824-a451-e586c9f8aa98 · outbound

This paper cites Kossowski, Realizing a singular first fundamental form as a nonimmersed surface in Eu- clidean 3-space, J.

The fundamental theorem for singular surfaces with limiting tangent planes Kossowski, Realizing a singular first fundamental form as a nonimmersed surface in Eu- clidean 3-space, J

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:46:21.511461Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.318367Z digest=sha256:405853adc2e7912e2912ace0c5f15eaee9767564aed583310a568ffb8f50aba4

Observation e6445cf2-0034-4f3c-a63b-5cc9f4f8a41a · outbound

This paper cites Singularities of a surface given by Kenmotsu-type formula in Euclidean three-space.

The fundamental theorem for singular surfaces with limiting tangent planes Singularities of a surface given by Kenmotsu-type formula in Euclidean three-space

Reference 10

Resolution
verified exact
local_arxiv, observed 2026-08-14T13:46:21.393477Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.322827Z digest=sha256:b6dde097f9da82e25591c3873fea36effc1ea54d9e13ace5eaa9b2a4a83e1dd9

Observation 41fd17df-9739-426c-8abe-4189fcc98ea9 · outbound

This paper cites an unresolved cited work.

The fundamental theorem for singular surfaces with limiting tangent planes Unresolved cited work

Reference 11

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:46:21.495459Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.328068Z digest=sha256:0f30d8bae85fa8b88c174829a2ebc8848b72bdef408e05c50ca2f7bb030d87a9

Observation d0e88d80-405c-4fcc-9041-90adb61aaaa3 · outbound

This paper cites Saji, Criteria for cuspidal Sk singularities and their applications.

The fundamental theorem for singular surfaces with limiting tangent planes Saji, Criteria for cuspidal Sk singularities and their applications

Reference 12

Resolution
verified fuzzy
raw_fallback, observed 2026-08-14T13:46:21.479220Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.333322Z digest=sha256:e9ed4db6a996888f7075db6b7eec6b15bf32e8b4470b35c907b47fb1711cc634

Observation 6a2c3816-cac1-47d7-8769-90449b910a42 · outbound

This paper cites an unresolved cited work.

The fundamental theorem for singular surfaces with limiting tangent planes Unresolved cited work

Reference 13

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:46:21.461665Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.338474Z digest=sha256:506254cde6ddf58caef8e302f446d9a1b5ecf15525be9729fd2c40b879aa62dc

Observation fb7061d1-a89a-4eda-80e2-9f9ab5456064 · outbound

This paper cites an unresolved cited work.

The fundamental theorem for singular surfaces with limiting tangent planes Unresolved cited work

Reference 14

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:46:21.447291Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.343445Z digest=sha256:9e73b1697cb86a06bf9837fe864eb47f4bfa5be8b5391290d4ad794dfbe6c2bf

Observation f7166e56-d39b-4888-99c5-00d50d7d79e7 · outbound

This paper cites an unresolved cited work.

The fundamental theorem for singular surfaces with limiting tangent planes Unresolved cited work

Reference 15

Resolution
unresolved
raw_fallback, observed 2026-08-14T13:46:21.432474Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.

source=pdf_text observed=2026-08-14T13:46:21.348368Z digest=sha256:834e92de0bf1a09a9680d68a203372ec40f3fa3d46d4adfc81229769786f008f

Pith citing papers

No inbound Pith citation observations are available.