Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links, observed 2026-08-15T20:10:27.455061Z
Paper Citation Record · LEDGER
Coordinate recognition: General theory, Groups, and other surprises
As of 16 August 2026, this Paper Citation Record lists 55 of 55 outbound references and 0 inbound Pith citation observations for arXiv:2506.13673.
A citation records a reference. It does not transfer a finding from one paper to another.
Coverage vector
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-15T06:32:42.880941+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links
A source-named dated measurement, never combined with another source.
Source: cited_works
Reference resolution
55 of 55 outbound references displayed
- verified exact3
- verified fuzzy28
- unresolved24
- parse uncertain0
- malformed identifier0
- metadata mismatch0
External citation measurements
No source-named external measurement is stored.
Outbound references
Observation d53c8a49-dc89-45d4-b464-bb4e5258e629 · outbound
This paper cites Baumslag.
Coordinate recognition: General theory, Groups, and other surprises Baumslag
Reference 1
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.359458Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 5fbb14a5-6787-4016-9d99-ab4dfe5a26e2 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 2
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.347544Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation b4004591-a119-4759-916f-da8b80e3d7e7 · outbound
This paper cites Conjugating trivial automorphisms of $\mathcal P(\mathbb N)/\mathrm{Fin}$.
Coordinate recognition: General theory, Groups, and other surprises Conjugating trivial automorphisms of $\mathcal P(\mathbb N)/\mathrm{Fin}$
Reference 3
- Resolution
- unresolved
- no resolver link, observed 2026-08-15T20:10:27.249360Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation d7c1803b-81a3-4a68-914b-6f5ade5b249d · outbound
This paper cites Brown, R.G.
Coordinate recognition: General theory, Groups, and other surprises Brown, R.G
Reference 4
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.335454Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 4ae10c34-24a0-4caa-9bed-021ea90a11f1 · outbound
This paper cites Chang and H.J.
Coordinate recognition: General theory, Groups, and other surprises Chang and H.J
Reference 5
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.322173Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 83c32500-3bcf-42f6-a2d5-e1a27bf0e492 · outbound
This paper cites Chatzidakis.Introductory notes on the model theory of valued fields, page 35–79.
Coordinate recognition: General theory, Groups, and other surprises Chatzidakis.Introductory notes on the model theory of valued fields, page 35–79
Reference 6
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.307908Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 46c455a7-a583-47e3-a4f4-10e293460c4b · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 7
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.293427Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation d5cd5a1a-d830-4c76-9cc8-481c9e6594eb · outbound
This paper cites Crawley and B.
Coordinate recognition: General theory, Groups, and other surprises Crawley and B
Reference 8
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.278304Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation d15bde81-0c59-4c42-9ada-0e37be5868b2 · outbound
This paper cites Saturation of reduced products.
Coordinate recognition: General theory, Groups, and other surprises Saturation of reduced products
Reference 9
- Resolution
- verified exact
- local_arxiv, observed 2026-08-15T20:10:27.729890Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 72926e58-142c-4fc1-ac6f-0db6966268bd · outbound
This paper cites De Bondt, I.
Coordinate recognition: General theory, Groups, and other surprises De Bondt, I
Reference 10
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.265347Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation c863073b-8b16-4763-ae52-9e173d6ecb20 · outbound
This paper cites On automorphism groups of metric reduced products of symmetric groups.
Coordinate recognition: General theory, Groups, and other surprises On automorphism groups of metric reduced products of symmetric groups
Reference 11
- Resolution
- unresolved
- no resolver link, observed 2026-08-15T20:10:27.281975Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation caa4d482-bdf2-496d-ac60-d06680a20396 · outbound
This paper cites A metric lifting theorem.
Coordinate recognition: General theory, Groups, and other surprises A metric lifting theorem
Reference 12
- Resolution
- unresolved
- no resolver link, observed 2026-08-15T20:10:27.286183Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation 74151c48-797c-4b92-813f-c496889f97a4 · outbound
This paper cites Facchini.
Coordinate recognition: General theory, Groups, and other surprises Facchini
Reference 13
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.254314Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 88eb686f-ae4d-4276-bf73-b190e63b71f7 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 14
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.242734Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 39945941-ab8f-4e79-9e3b-5569947fd38d · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 15
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.227526Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 07c685c0-e174-44c7-a498-08737ffa6c91 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 16
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.215104Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 8828d017-a1cb-4fec-b435-29827a922289 · outbound
This paper cites Farah, S.
Coordinate recognition: General theory, Groups, and other surprises Farah, S
Reference 17
- Resolution
- unresolved
- no resolver link, observed 2026-08-15T20:10:27.306310Z
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation e9bbe70b-96ee-4a87-860b-ec2145842caf · outbound
This paper cites Fronteau.
Coordinate recognition: General theory, Groups, and other surprises Fronteau
Reference 18
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.203539Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 8cb8568f-9cfa-4f27-bb3c-2638f5dda0c4 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 19
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.191403Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 56fd5e32-c3a4-47e7-881e-2127479448a1 · outbound
This paper cites Genevois and A.
Coordinate recognition: General theory, Groups, and other surprises Genevois and A
Reference 20
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.178318Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 2a634949-885c-4e9a-9b24-8b9a7ce3b803 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 21
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.167245Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 5f29f1da-21fd-42f1-bc85-0e83872b6efc · outbound
This paper cites Green.Graph products of groups.
Coordinate recognition: General theory, Groups, and other surprises Green.Graph products of groups
Reference 22
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.155871Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 2e26ca23-a2b3-4522-96e9-3437a176ec82 · outbound
This paper cites Halevi and I.
Coordinate recognition: General theory, Groups, and other surprises Halevi and I
Reference 23
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.143985Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 63169a6d-7e5a-4c22-ad8c-650d927516ee · outbound
This paper cites Hodges.Model theory, volume 42 ofEncyclopedia of Mathematics and its Appli- cations.
Coordinate recognition: General theory, Groups, and other surprises Hodges.Model theory, volume 42 ofEncyclopedia of Mathematics and its Appli- cations
Reference 24
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.132744Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 1e5e3c23-25bc-41d6-ab64-7b1dcb2ac548 · outbound
This paper cites Jech.Set theory: The third millennium edition, revised and expanded, volume 3.
Coordinate recognition: General theory, Groups, and other surprises Jech.Set theory: The third millennium edition, revised and expanded, volume 3
Reference 25
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.119356Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 49d7fbaf-0103-4fe3-8ab9-846e3fc10211 · outbound
This paper cites Kanovei and M.
Coordinate recognition: General theory, Groups, and other surprises Kanovei and M
Reference 26
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.106224Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 25d911c8-0ab5-4508-8b08-64730cba73fd · outbound
This paper cites Kanovei and M.
Coordinate recognition: General theory, Groups, and other surprises Kanovei and M
Reference 27
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.091784Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 21f78b82-73cd-4995-a749-ad4f95d873f4 · outbound
This paper cites Kassel and V.
Coordinate recognition: General theory, Groups, and other surprises Kassel and V
Reference 28
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.079379Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 5f549a26-aff8-4fcd-ae2c-0a64f2d650a7 · outbound
This paper cites Identifying the finite symmetric groups.
Coordinate recognition: General theory, Groups, and other surprises Identifying the finite symmetric groups
Reference 29
- Resolution
- verified exact
- raw_fallback, observed 2026-08-15T20:10:27.617914Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 22c9f99c-b447-4815-ac8d-b70b2265d4b5 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 30
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.068404Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation acc0e4df-00ee-491c-b2c5-0f254bf3f386 · outbound
This paper cites Liebeck, E.A.
Coordinate recognition: General theory, Groups, and other surprises Liebeck, E.A
Reference 31
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.056036Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation a3039b49-426f-4e5d-b70b-37a4bc309adb · outbound
This paper cites Magnus, A.
Coordinate recognition: General theory, Groups, and other surprises Magnus, A
Reference 32
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.043361Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 581632f5-4585-4931-8b8d-e94ba1f3db77 · outbound
This paper cites Medvedev and A.
Coordinate recognition: General theory, Groups, and other surprises Medvedev and A
Reference 33
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:28.031250Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 1dab7844-3405-4a7a-b6f0-a509d1a2bad8 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 34
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.019121Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation e40ca9ef-a0de-4c9d-a80f-a48aabd18daf · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 35
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:28.008433Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation ec2389ae-222d-4486-b68e-6bc68f2affb4 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 36
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.996214Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 164038e7-ff58-447b-aa92-4acd1e5f88f4 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 37
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.984150Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 22cc7eac-d2c5-4ee7-9088-439e007dc2b1 · outbound
This paper cites Palmgren.
Coordinate recognition: General theory, Groups, and other surprises Palmgren
Reference 38
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:27.972604Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation effab836-1f8b-4a9e-bd30-a8a6dfca5a3a · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 39
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.961770Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 570c8302-6fcf-4678-81ee-d96ee4ae1984 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 40
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.950281Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 2aeb9898-b2b7-4ec3-ac97-207422f2a2e5 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 41
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.938544Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 53425eee-ab5a-4dcf-9b18-9a5598a2d79d · outbound
This paper cites Phillips and N.
Coordinate recognition: General theory, Groups, and other surprises Phillips and N
Reference 42
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:27.926575Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 685483f6-13dd-4999-99dd-1094a7a0a034 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 43
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.913060Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 63ee0267-2b5a-45bc-9572-ef9d4bad26ab · outbound
This paper cites Rideau-Kikuchi.
Coordinate recognition: General theory, Groups, and other surprises Rideau-Kikuchi
Reference 44
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:27.899284Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation f921c5a8-795f-4479-81fe-95bcac16662d · outbound
This paper cites Shelah.Proper Forcing.
Coordinate recognition: General theory, Groups, and other surprises Shelah.Proper Forcing
Reference 45
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:27.884964Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 3cbba977-53d3-4e18-b076-0214e20936e4 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 46
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.871514Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation c9e149a3-30f5-4328-a776-bbeb550a285d · outbound
This paper cites Shelah and J.
Coordinate recognition: General theory, Groups, and other surprises Shelah and J
Reference 47
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:27.857869Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 125dd19b-1e67-46ba-9a33-e08c0bf72426 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 48
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.845551Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation d00671f3-f80a-4ad2-881d-3faf5891a22d · outbound
This paper cites Stepr¯ ans.
Coordinate recognition: General theory, Groups, and other surprises Stepr¯ ans
Reference 49
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:27.832595Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 4078916d-05c0-4648-b24f-2d9f94451069 · outbound
This paper cites Thompson.
Coordinate recognition: General theory, Groups, and other surprises Thompson
Reference 50
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:27.817170Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 75e0c709-1e53-4698-a1f7-501d6b25735f · outbound
This paper cites Veliˇ ckovi´ c.
Coordinate recognition: General theory, Groups, and other surprises Veliˇ ckovi´ c
Reference 51
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:27.802984Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 5cf01757-b21e-4205-9aef-6cef03fe4040 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 52
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.788112Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation cdb68215-6ad2-411c-8d8f-052fc8ae9ac8 · outbound
This paper cites Rigidity of Higson coronas.
Coordinate recognition: General theory, Groups, and other surprises Rigidity of Higson coronas
Reference 53
- Resolution
- verified exact
- local_arxiv, observed 2026-08-15T20:10:27.492503Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation 22eb1480-b6d3-47cc-8579-5f2c228886e1 · outbound
This paper cites an unresolved cited work.
Coordinate recognition: General theory, Groups, and other surprises Unresolved cited work
Reference 54
- Resolution
- unresolved
- raw_fallback, observed 2026-08-15T20:10:27.772884Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Observation d4c6fe59-e448-4341-afc1-62f22806e068 · outbound
This paper cites general linear group as a direct product?.
Coordinate recognition: General theory, Groups, and other surprises general linear group as a direct product?
Reference 55
- Resolution
- verified fuzzy
- raw_fallback, observed 2026-08-15T20:10:27.759030Z
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.
Pith citing papers
No inbound Pith citation observations are available.