Pith. sign in

Paper Citation Record · LEDGER

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening

As of 7 August 2026, this Paper Citation Record lists 39 of 39 outbound references and 0 inbound Pith citation observations for arXiv:2607.13419.

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

pith.paper-citation-record.v1
2607.13419 v1

Coverage vector

measured 39 of 39 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-02T05:17:48.860654Z

measured 39 of 39 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-06T06:34:29.942622+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

39 of 39 outbound references displayed

  • verified exact0
  • verified fuzzy0
  • unresolved39
  • parse uncertain0
  • malformed identifier0
  • metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 2107e969-7595-4921-ae89-de71b14b0b93 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 1

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:44.632572Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:44.632572Z digest=sha256:2229968a3724af98a5ca9dd368c1c03115cab1ec5c5f008a25249dedbd4c5634

Observation 7c6282e3-eb7e-4dda-a1a5-ac28f33f30e4 · outbound

This paper cites Loibl and L.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Loibl and L

Reference 2

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:44.708791Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:44.708791Z digest=sha256:b6ae3f35f8a25cea8844093e2c165223b5f295590b8f8ecf1883c0e5c158baca

Observation d5918d38-18c8-4c64-b369-17a075cb66db · outbound

This paper cites Matthiessen and C.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Matthiessen and C

Reference 3

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:44.836139Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:44.836139Z digest=sha256:8a446834a17d10e3dbc57ad96facce7ec25193990f9c11538e08ecccc52a4474

Observation f2af4cbe-fc97-4947-8363-17121fa7f553 · outbound

This paper cites Nordheim, Ann.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Nordheim, Ann

Reference 4

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:44.936240Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:44.936240Z digest=sha256:be8879423d85bfda3021dd36c352bc28f4d144613c8f8bf7e6e9c6d460f0b8bf

Observation 84eff272-e4e3-4088-86dc-26ce2caabf87 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 5

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.027079Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.027079Z digest=sha256:41ef3308c79a4e22d8b5281b08a3b2563343e68c6f4af5418eff2bdcaf2a90c7

Observation a01b337e-b2d6-4a32-9c90-d887540ab0dd · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 6

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.086482Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.086482Z digest=sha256:9cf2599135fb67e59e0280495bd884e0d5d692c815e245c9f7f311c0a32540cd

Observation 8fdc8493-21cf-4d8a-995c-6d2ca637ced8 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 7

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.140679Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.140679Z digest=sha256:9dbb8293215567a59c1c4d9635de0f35574a62b68b084a8342084557886bdd57

Observation 0221a297-1536-49e8-95e1-c612915cf957 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 8

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.265830Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.265830Z digest=sha256:e15bfe7b503017441c6af6ea19df4b96464a768298b2237dde7f5ef1db227bc8

Observation bad79b9f-c0d4-4aee-9c42-f72844e1f56a · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 9

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.367066Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.367066Z digest=sha256:1cf26e726d3ba24c627cfd8fcb497b9a1143fcbe94df426fdda4f72c72ec99f1

Observation baf69de8-98e3-4b37-9744-e0ecf2214593 · outbound

This paper cites Komatsu, J.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Komatsu, J

Reference 10

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.513350Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.513350Z digest=sha256:e359d906464b1149ccd4a0c2fb9d20bf6234122f3ddf09f70b33c2da7fe73949

Observation 8d0d7c56-a1ee-4784-b188-6df2fd47c1d1 · outbound

This paper cites Yamaguchi, T.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Yamaguchi, T

Reference 11

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.623546Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.623546Z digest=sha256:e27fc83d0d3e91ca7586250a1fa3ab4530dcc5efae37c7bb50ced80677969cb2

Observation e0535fa5-d5a3-42d3-97e3-0b1c8cfc2c59 · outbound

This paper cites Korringa, Physica13, 392 (1947).

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Korringa, Physica13, 392 (1947)

Reference 12

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.728425Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.728425Z digest=sha256:4c737981c158d8e35184e9916de9c8aff82233d167fc03131c6b9178b1a54626

Observation e92b602d-4e43-4fe0-bc88-1f54cb320c2b · outbound

This paper cites Kohn and N.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Kohn and N

Reference 13

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.838568Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.838568Z digest=sha256:6bf343b552b0ca7bf343115edda6caf45a5c3b17abcff8b87c331cfe1fe82766

Observation bd8e628d-d066-4b7d-bfae-e422409a8560 · outbound

This paper cites Soven, Phys.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Soven, Phys

Reference 14

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:45.995861Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:45.995861Z digest=sha256:17fff79c753bd6dedb1f3cd79d09413131ae40bfb4f176a0c1a46b410a682aa4

Observation dda215bf-4ad7-4cb4-89be-92ca283af188 · outbound

This paper cites Akai and J.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Akai and J

Reference 15

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:46.183387Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:46.183387Z digest=sha256:df1c34de9d3b29088894a7d70678844c98ba1a50b729cd16828f7805a703ff23

Observation 74ce3b4e-91cc-4315-8a1a-aa0b6f1628b3 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 16

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:46.301767Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:46.301767Z digest=sha256:6d1182a4f61234a659cccf22e0eb1d16c9df1064603945144e1638a67c7b25ec

Observation 35edf0a9-0a8d-467c-ac09-190c0871fc8f · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 17

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:46.440690Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:46.440690Z digest=sha256:15e74e72c47da7be005d9c37bff5103b7a9ba3e9d7f852d7552da34576612c84

Observation 5bb19fde-6be5-4f40-b805-3dd6bc0acd22 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 18

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:46.563678Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:46.563678Z digest=sha256:b5cf1bfd482ab18c6d6ebcbde1105dddf7ca06fa7e531852c0b4aee878023e81

Observation 0e70c538-550c-4920-a2a3-0d7a276e09a1 · outbound

This paper cites Mertig, E.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Mertig, E

Reference 19

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:46.710070Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:46.710070Z digest=sha256:38b0af699a12b5a0475d951818f77f3909a7a14b0c94ab381a9cc3efec756ba7

Observation 0b51395b-59e3-4bac-ae36-42e0f98ef93c · outbound

This paper cites Mertig, Rep.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Mertig, Rep

Reference 20

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:46.838531Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:46.838531Z digest=sha256:8838d7d60d2279454cab5ea5eed4fbe43a8528879678605b662285ca66ae80dd

Observation 6a532493-de4f-4520-83ee-f384bd12aeae · outbound

This paper cites Kondo, Prog.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Kondo, Prog

Reference 21

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:46.934791Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:46.934791Z digest=sha256:3e6830e6054f735efedfe5eb1965940579bb75a080f19b98a745f20074db2832

Observation 209d4859-b619-496a-b537-0b0fa093a392 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 22

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:47.074862Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:47.074862Z digest=sha256:de0e1de2c72c954f75a886f4d6759785b1948f2180d621cc700ed6bad590e2c5

Observation b57008bc-b11e-41cb-a590-05bbd47b7b78 · outbound

This paper cites Towards an exact electronic quantum many-body treatment of Kondo correlation in magnetic impurities.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Towards an exact electronic quantum many-body treatment of Kondo correlation in magnetic impurities

Reference 23

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:47.223650Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:47.223650Z digest=sha256:9b36321b4df9717174dbbeb681a808ac5edf31bb804a6cd6b2452f3f35b9022c

Observation a40c4faa-ea4b-4596-847c-7f25ecc81a87 · outbound

This paper cites Oguchi, K.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Oguchi, K

Reference 24

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:47.324699Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:47.324699Z digest=sha256:16284a43609828d5b0315ddf7870058599d777681d9590210fb63f8d7103361a

Observation 7b8dc9a5-6a3e-46fb-9ddb-8b042d6f12c5 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 25

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:47.458542Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:47.458542Z digest=sha256:fcce29f12717fe6b04cec5b07a7050fc2ef83c1197ec9511193b87c37e14b92b

Observation a801f0e8-7df3-4277-8fbc-0a5e1d768840 · outbound

This paper cites Gomi and T.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Gomi and T

Reference 26

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:47.562239Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:47.562239Z digest=sha256:5157876e0d40ce3880cd4ad40e2baca72ad2fc3532b499857e62d431a7613ef8

Observation 2e646dbd-77cd-48a0-9ffd-3e6cf8e45910 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 27

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:47.736452Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:47.736452Z digest=sha256:b0cb306a644a3c7377d3c63470643c6be8597eb60c02ca1097e4a9b1afeb27bf

Observation 4f54ce12-5dd3-4d54-a79c-35f57651d798 · outbound

This paper cites Friedel, Can.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Friedel, Can

Reference 28

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:47.866631Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:47.866631Z digest=sha256:b1b1176ad8a7c2f02bf1dcd1921a352f90d3369e40e0e9c926004f702ac01805

Observation 8b3ecf21-2bdd-45d2-bf6b-52bb1d5ae03f · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 29

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.010234Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.010234Z digest=sha256:b24fe80b43119f35985b9bc93154b21b7b249481b7efd144874e84f939f72f79

Observation 81c15499-5aa4-4a23-93f5-9e8865a0f9c9 · outbound

This paper cites Ebertet al., The Munich SPR-KKR package, version 7.7.3,http://ebert.cup.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Ebertet al., The Munich SPR-KKR package, version 7.7.3,http://ebert.cup

Reference 30

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.107268Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.107268Z digest=sha256:2862b767a25c2d0564d94a264ec5774b8d47d0002e855e201a1f8e940cf3918c

Observation 3ff32bfd-e694-4e23-9e44-5004fa1f6d92 · outbound

This paper cites Ebert, D.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Ebert, D

Reference 31

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.231465Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.231465Z digest=sha256:42e666692ee1de219e544bb8c118571ad6ff2b0da9a6aa88ddc4f47c7d832a18

Observation f1162ac7-e91f-4900-a240-44f9c6e0601c · outbound

This paper cites Hohenberg and W.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Hohenberg and W

Reference 32

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.340791Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.340791Z digest=sha256:984900b74804c87dd1d86e3c9222de8b4c916df8e4c043f14582ff7db4aae6fb

Observation d2bb6b83-b33c-4fa6-a0c9-3b5b7021a8fb · outbound

This paper cites Kohn and L.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Kohn and L

Reference 33

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.450049Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.450049Z digest=sha256:cb43809c691b6672795d4e20629017a06d1ed34898274a5b7a9c68945f7cc3a6

Observation f908cd12-e3ba-417b-9e7b-8af6ba39c772 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 34

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.525194Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.525194Z digest=sha256:525c2cfab0b43ffe9dd002d051fade638798dfbeee76a9cc96948cc95eec6076

Observation 96d2bf1c-fada-4fbf-a1ee-a402c9a3f001 · outbound

This paper cites an unresolved cited work.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Unresolved cited work

Reference 35

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.604409Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.604409Z digest=sha256:6339242b9cbbd5cf19dd80a66e659ac34091752c3b64433c6f95d840bca10692

Observation fea6e797-3102-4d48-b92c-e5208c59cd63 · outbound

This paper cites Hellwege and J.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Hellwege and J

Reference 36

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.678761Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.678761Z digest=sha256:7051848cf9c0862d8a36ef057426aec95b37600e7f293e2f004187dbe8211590

Observation 1dd9cf8c-b826-4035-9327-f5ae99439f8d · outbound

This paper cites Kurosaka, H.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Kurosaka, H

Reference 37

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.735879Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.735879Z digest=sha256:4ec9271ca10dc23602f133c34e4ba7a1a63ea0146a013d625334a17cf9aaa4bb

Observation 457aa17c-b563-401f-bffe-408abf99a83f · outbound

This paper cites Li and T.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Li and T

Reference 38

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.785090Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.785090Z digest=sha256:6a2e8392726b7a9158eb6d4d1dd6f867a4b3e7a82313961757384804c506bb3c

Observation ea40a636-3f3f-4a90-bc72-17f5e41a6b1a · outbound

This paper cites Mimura, Y.

Resistivity in Dilute Cu-3d Alloys Governed by Disorder-Induced Band Broadening Mimura, Y

Reference 39

Resolution
unresolved
no resolver link, observed 2026-08-02T05:17:48.860654Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

source=pdf_text observed=2026-08-02T05:17:48.860654Z digest=sha256:01510d674eaae2e5d9f53a62d60a474d0535050e98cbbe6f0f7b457e535153ea

Pith citing papers

No inbound Pith citation observations are available.