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Paper Citation Record · LEDGER

The Hajnal--Rothschild problem

As of 10 August 2026, this Paper Citation Record lists 25 of 25 outbound references and 5 inbound Pith citation observations for arXiv:2502.06699.

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

pith.paper-citation-record.v1
2502.06699 v1

Coverage vector

measured 25 of 25 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-08T14:43:54.664596Z

measured 30 of 30 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-10T06:31:04.303077+00:00

measured 5 of 5 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-06T14:58:25.620376Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-07-03T12:38:07.955810Z

Reference resolution

25 of 25 outbound references displayed

  • verified exact1
  • verified fuzzy15
  • unresolved9
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 860227ad-0a7b-4f3f-aefb-1c9ea00c3be8 · outbound

This paper cites Ahlswede and L.H.

The Hajnal--Rothschild problem Ahlswede and L.H

Reference 1

Resolution
unresolved
no resolver link, observed 2026-08-08T14:43:54.585982Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-08T14:43:54.585982Z digest=sha256:32dc7412965a9d16dfd9141259a26ad94c85508c918df82d610294f5c8bc483d

Observation d5fb599c-5545-455f-8d9f-2d97c6c41ff1 · outbound

This paper cites Improved bounds for the sunflower lemma.

The Hajnal--Rothschild problem Improved bounds for the sunflower lemma

Reference 2

Resolution
unresolved
no resolver link, observed 2026-08-08T14:43:54.590050Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-08T14:43:54.590050Z digest=sha256:5b4f2bfbcbb893048dc2831267618f5c88ae45ceb006d1953c6c629b8cd1bf5f

Observation 584ab304-79b1-4085-9a72-3dcfd554cc80 · outbound

This paper cites Bollob´ as, D.E.

The Hajnal--Rothschild problem Bollob´ as, D.E

Reference 3

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.938427Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.593515Z digest=sha256:8993ee3d8efc2c59baf4f4d0059e302ec1189a3ec935b6b433e9453fe986667e

Observation 22518830-17a0-4a5a-80b8-bd4102300860 · outbound

This paper cites Ellis, E.

The Hajnal--Rothschild problem Ellis, E

Reference 4

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.929934Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.597195Z digest=sha256:5cad5dcb0995eabd7fb637665b089510aef8615c61b8694d1bf85216481e8180

Observation d1b66e45-5070-4be5-bf1d-b9ccf99fba11 · outbound

This paper cites Erd˝ os,A problem on independent r-tuples, Ann.

The Hajnal--Rothschild problem Erd˝ os,A problem on independent r-tuples, Ann

Reference 5

Resolution
unresolved
no resolver link, observed 2026-08-08T14:43:54.600271Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-08T14:43:54.600271Z digest=sha256:bf78e8636e817be3f30020eca1f6c8724276b8c7d50d8c5539f8367a91da728c

Observation 034f402d-2fc4-4b51-949c-2eefce02bd54 · outbound

This paper cites Erd˝ os and T.

The Hajnal--Rothschild problem Erd˝ os and T

Reference 6

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.916425Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.603621Z digest=sha256:8c6ca3f42bd7da3dc181975a8ccfe95531f25debb3bb30d949a1b766cbb6642a

Observation 041efb71-3cc8-499b-bafb-f80c6917ada8 · outbound

This paper cites Erd˝ os, C.

The Hajnal--Rothschild problem Erd˝ os, C

Reference 7

Resolution
unresolved
no resolver link, observed 2026-08-08T14:43:54.607636Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-08T14:43:54.607636Z digest=sha256:46c81485a13570be7ff9a4f7d3c4b4f5a92bf4fff4dd4f69a13699a62534ea90

Observation 2296478f-fb27-4074-9f85-ff16ea5b12c1 · outbound

This paper cites Frankl, The Erd˝ os-Ko-Rado theorem is true for n=ckt, Combinatorics (Proc.

The Hajnal--Rothschild problem Frankl, The Erd˝ os-Ko-Rado theorem is true for n=ckt, Combinatorics (Proc

Reference 8

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.903461Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.610588Z digest=sha256:c3bea6b6b37762f34e2b37cdbad8e167e405b6cd3e3b348859728f5d9989772e

Observation e4264805-5490-48b7-88e1-2b199c41a95d · outbound

This paper cites Frankl,Improved bounds for Erd˝ os’ Matching Conjecture, J.

The Hajnal--Rothschild problem Frankl,Improved bounds for Erd˝ os’ Matching Conjecture, J

Reference 9

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.893468Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.613981Z digest=sha256:02a35755a40c2b5cc6b3628c58271c8fd6b0e6386d2f16c71418bdf90c648f21

Observation 0e6bea74-f3f9-40df-9d9c-421a6d48f398 · outbound

This paper cites Frankl,On the maximum number of edges in a hypergraph with a given matching number, Disc.

The Hajnal--Rothschild problem Frankl,On the maximum number of edges in a hypergraph with a given matching number, Disc

Reference 10

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.884584Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.617343Z digest=sha256:cd5250e0c38413c33b7f0266e9fae43457c6246d8df322eb4169e48dff88d896

Observation 4e77aa15-7c4e-4cf0-99b9-ddcdfc6a89a4 · outbound

This paper cites Frankl,Proof of the Erd˝ os matching conjecture in a new range, Isr.

The Hajnal--Rothschild problem Frankl,Proof of the Erd˝ os matching conjecture in a new range, Isr

Reference 11

Resolution
unresolved
no resolver link, observed 2026-08-08T14:43:54.620328Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-08T14:43:54.620328Z digest=sha256:4b1c4ce0c1b0b2f92703d079746ce1fb7525c64fa8311e0b18a851f07b12a508

Observation 3bcce28a-0d41-47e4-8690-5f6a6d1b556b · outbound

This paper cites an unresolved cited work.

The Hajnal--Rothschild problem Unresolved cited work

Reference 12

Resolution
unresolved
raw_fallback, observed 2026-08-08T14:43:54.870305Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.623455Z digest=sha256:d5471a9d0e4ff9f68a48be4f751073c962feeab1718a49f7fac5842aff2de847

Observation ee342a5a-390f-409f-a9e5-33c8386ee3d9 · outbound

This paper cites Frankl, A.

The Hajnal--Rothschild problem Frankl, A

Reference 13

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.860894Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.626501Z digest=sha256:74e52edefbfc3646f827ff667278734b3cd26753c6a7bbc9d938f63531f578e7

Observation 08879563-da3b-4beb-8b9d-164668696189 · outbound

This paper cites Frankl, N.

The Hajnal--Rothschild problem Frankl, N

Reference 14

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.853229Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.629740Z digest=sha256:1da6f3419106645d7d270076d1198cd8328d6c7e43f0a9c41bbcd04febc8c2ec

Observation be955a39-aaf9-465e-a725-3e3313beb2ce · outbound

This paper cites Gerbner, B.

The Hajnal--Rothschild problem Gerbner, B

Reference 15

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.845343Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.632491Z digest=sha256:fe5315a06551c010fb6353db70b8a6c57b7960d6648a2db50f3df34932df0812

Observation 907efc33-3bfa-42ab-9194-64201ff8247d · outbound

This paper cites Hajnal, B.

The Hajnal--Rothschild problem Hajnal, B

Reference 16

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.835991Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.635328Z digest=sha256:568c90a30c1df8dd3228a080a939ed39326a137595872c55a77a4ab77cbe7b1a

Observation 4013cb5f-8f00-4441-811d-58839996a2e4 · outbound

This paper cites Huang, P.-S.

The Hajnal--Rothschild problem Huang, P.-S

Reference 17

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.826858Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.639143Z digest=sha256:4ff7ae3b7da417532a7eb419cac41152c6a8a0e845031f2d92959b0695a66471

Observation 6c6f13b8-3af5-4612-a10a-6b6477dc9dbe · outbound

This paper cites Hypercontractivity for global functions and sharp thresholds.

The Hajnal--Rothschild problem Hypercontractivity for global functions and sharp thresholds

Reference 18

Resolution
verified exact
local_arxiv, observed 2026-08-08T14:43:54.774254Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.642236Z digest=sha256:0292fae1fd947f01c88a4c9334855be3e21146acccf086bb1096b2d45cf1df04

Observation f12f3d86-4304-4bf5-ac6d-422f5e0b2633 · outbound

This paper cites 346 (2023), N4.

The Hajnal--Rothschild problem 346 (2023), N4

Reference 19

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.818241Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.645417Z digest=sha256:c320cb6b2ab638b51ba9794de07cf5caeee76520abaf2fecad881a0792cf23ce

Observation ac026594-d2f6-401d-b1b9-ac650cb4b3b7 · outbound

This paper cites Kupavskii,Erd˝ os–Ko–Rado type results for partitions via spread approximations (2023), arXiv.2309.00097.

The Hajnal--Rothschild problem Kupavskii,Erd˝ os–Ko–Rado type results for partitions via spread approximations (2023), arXiv.2309.00097

Reference 20

Resolution
unresolved
no resolver link, observed 2026-08-08T14:43:54.648371Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-08T14:43:54.648371Z digest=sha256:8f383e8b3a0cd2da7f71f772b2d7027b7784e7b036425b273fe6dd6e6d00a8e9

Observation 73d444fa-5384-414c-b2d2-91e7aed726c5 · outbound

This paper cites Intersection theorems for uniform subfamilies of hereditary families.

The Hajnal--Rothschild problem Intersection theorems for uniform subfamilies of hereditary families

Reference 21

Resolution
unresolved
no resolver link, observed 2026-08-08T14:43:54.651855Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-08T14:43:54.651855Z digest=sha256:6a430edbfa7a1ced796960149d7c9a259dce0a7b2cc196ca2b319f84d075b727

Observation cadbb450-e946-4743-9553-fb7e2aef4627 · outbound

This paper cites Spread approximations for forbidden intersections problems.

The Hajnal--Rothschild problem Spread approximations for forbidden intersections problems

Reference 22

Resolution
unresolved
no resolver link, observed 2026-08-08T14:43:54.655273Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-08T14:43:54.655273Z digest=sha256:599c9a865f50062c0d0ca2716ceb69f684ddc5151e5338aaae775549b44ecd6f

Observation 776300a4-735d-4b44-86dd-22b0fd701e6e · outbound

This paper cites Stoeckl,Lecture notes on recent improvements for the sunflower lemmahttps: //mstoeckl.com/notes/research/sunflower_notes.html.

The Hajnal--Rothschild problem Stoeckl,Lecture notes on recent improvements for the sunflower lemmahttps: //mstoeckl.com/notes/research/sunflower_notes.html

Reference 23

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.808650Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.658879Z digest=sha256:d520cb3da4829d3e84f6b4cc915b9d3ff29b8ccd0e34bc26594cb742bef9decd

Observation dd171315-ad92-4252-917e-8df4e152dac2 · outbound

This paper cites Tao,The sunflower lemma via shannon entropy, https://terrytao.wordpress.

The Hajnal--Rothschild problem Tao,The sunflower lemma via shannon entropy, https://terrytao.wordpress

Reference 24

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.799873Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.661744Z digest=sha256:6bf40c0a5d93861edda9d37a8e861c62dcefa009c28e5cb001d4260b2ab700a4

Observation a9845308-ebc5-4599-bdbe-65824ed79770 · outbound

This paper cites Wilson, The exact bound in the Erd˝ os–Ko–Rado theorem, Combinatorica 4 (1984), 247–257.

The Hajnal--Rothschild problem Wilson, The exact bound in the Erd˝ os–Ko–Rado theorem, Combinatorica 4 (1984), 247–257

Reference 25

Resolution
verified fuzzy
raw_fallback, observed 2026-08-08T14:43:54.791595Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-08-08T14:43:54.664596Z digest=sha256:f1a532434a7fed862d7e5a6c40971db5e73992fa47222a2cd8e104b25bf3a3ed

Pith citing papers

Observation 16eb34e1-0385-4088-8ce6-4e21fdcede95 · inbound

A complete $t$-intersection theorem for families of spanning trees cites this paper.

A complete $t$-intersection theorem for families of spanning trees The Hajnal--Rothschild problem

Reference 9

Resolution
unresolved
no resolver link, observed 2026-08-06T14:58:25.620376Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-06T14:58:25.620376Z digest=sha256:2ddea6671684e85d367d4547f198b55c5d4492e5bbbde6e4d4337bdd1a2afdad

Observation 0fb02eee-9ae6-4994-a64f-61d98794963c · inbound

Matchings in permutations cites this paper.

Matchings in permutations The Hajnal--Rothschild problem

Reference 14

Resolution
verified exact
arxiv_id, observed 2026-05-11T18:01:05.662214Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-05-08T16:50:30.760821Z digest=sha256:175e18707cf62e5d37d0c49dde9ee44680d051037d0744b82b7a8807e81115f9

Observation e3319859-99bc-498b-b62a-3a1d51dd9e98 · inbound

Forbidden Intersection Theorems for Matrix Spaces cites this paper.

Forbidden Intersection Theorems for Matrix Spaces The Hajnal--Rothschild problem

Reference 3

Resolution
metadata mismatch
arxiv_id, observed 2026-07-03T12:38:07.957223Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-06-27T08:53:30.843566Z digest=sha256:680bd99cec9226632717a19737969e9666b62d8ab2a79d55cb94f2018d9df240

Observation 0f29b95c-8de7-4255-a630-85490d2e2d1d · inbound

A Complete Intersection Theorem for Large Permutation Groups cites this paper.

A Complete Intersection Theorem for Large Permutation Groups The Hajnal--Rothschild problem

Reference 25

Resolution
metadata mismatch
arxiv_id, observed 2026-07-02T11:26:53.699376Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.

source=pdf_text observed=2026-07-02T11:22:42.389812Z digest=sha256:00a4177ab2b087696251b255d5004cd274abf01e9835825c718cbc51c5e4f81f

Observation b4a67044-ed4d-4569-8e12-cf15d021f7b9 · inbound

A unified approach to cross-intersection problems with applications to Hilton--Milner type theorems and stability cites this paper.

A unified approach to cross-intersection problems with applications to Hilton--Milner type theorems and stability The Hajnal--Rothschild problem

Reference 27

Resolution
unresolved
no resolver link, observed 2026-07-12T03:20:12.486236Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-07-12T03:20:12.486236Z digest=sha256:5a75b3e52dc9f601f22708af7265eaf8053cc90885feb549e610c8c23117a62c