Paper Citation Record · LEDGER

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19

As of 22 August 2026, this Paper Citation Record lists 33 of 33 outbound references and 0 inbound Pith citation observations for arXiv:2509.14213.

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

pith.paper-citation-record.v1
2509.14213 v2

Coverage vector

measured 33 of 33 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-15T15:56:40.872007Z

measured 33 of 33 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-21T06:32:19.484+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

33 of 33 outbound references displayed

verified exact14
verified fuzzy6
unresolved9
parse uncertain0
malformed identifier3
metadata mismatch1

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 3f3358dc-dfa5-451a-bcf8-592959f15b46 · outbound

This paper cites an unresolved cited work.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Unresolved cited work

Reference 1

Resolution: unresolved; raw_fallback, observed 2026-08-15T15:56:41.752763Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation d37e141b-d994-4ce9-89ee-9296b07aad0f · outbound

This paper cites Infectio pp.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Infectio pp

Reference 2

Resolution: verified exact; raw_fallback, observed 2026-08-15T15:56:41.557553Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 6981a46d-668c-4c69-8a70-c1df6645cee7 · outbound

This paper cites an unresolved cited work.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Unresolved cited work

Reference 3

Resolution: unresolved; raw_fallback, observed 2026-08-15T15:56:41.738877Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 2d410f71-d8c1-4754-b54a-33f06ba4391e · outbound

This paper cites Jour- nal of Public Health Research9(4) (Oct 2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Jour- nal of Public Health Research9(4) (Oct 2020)

Reference 4

Resolution: verified exact; raw_fallback, observed 2026-08-15T15:56:41.475155Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 6f5cc116-47da-4f6d-a64d-2382ef4a38f7 · outbound

This paper cites PLOS ONE15(9), e0238904 (2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 PLOS ONE15(9), e0238904 (2020)

Reference 5

Resolution: malformed identifier; no resolver link, observed 2026-08-15T15:56:40.743837Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 6acf94ce-c860-4d89-aff0-767e975840ff · outbound

This paper cites JAMA 323(14), 1335 (Apr 2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 JAMA 323(14), 1335 (Apr 2020)

Reference 6

Resolution: verified exact; raw_fallback, observed 2026-08-15T15:56:41.414792Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 0137091d-5b80-414b-a9de-41fe0e05f6ab · outbound

This paper cites The Lancet 395(10229), 1054–1062 (Mar 2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 The Lancet 395(10229), 1054–1062 (Mar 2020)

Reference 7

Resolution: verified exact; doi, observed 2026-08-15T15:56:41.099143Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation c9c5b249-c55c-4aea-8b28-6416023c6076 · outbound

This paper cites Devising PoPStat: A Metric Bridging Population Pyramids with Global Disease Mortality.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Devising PoPStat: A Metric Bridging Population Pyramids with Global Disease Mortality

Reference 8

Resolution: verified exact; local_arxiv, observed 2026-08-15T15:56:41.341378Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 456bf5b5-99ab-4ada-8fed-2325a4a871c5 · outbound

This paper cites Proceedings of the National Academy of Sciences of the United States of America117(36), 22035–22041 (2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Proceedings of the National Academy of Sciences of the United States of America117(36), 22035–22041 (2020)

Reference 9

Resolution: verified exact; doi, observed 2026-08-15T15:56:41.082949Z

Source-reported events for the cited work

correction dated 2020-11-02. Source: crossref record 10.1073/pnas.2021355117->10.1073/pnas.2006392117:correction, observed 2026-07-11T03:08:18.53278+00:00. This notice travels one citation hop only.

Observation 754470c1-0579-41f6-b6db-f60d42ace79e · outbound

This paper cites The Lancet395(10223), 497–506 (Feb 2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 The Lancet395(10223), 497–506 (Feb 2020)

Reference 10

Resolution: verified exact; doi, observed 2026-08-15T15:56:41.068965Z

Source-reported events for the cited work

correction dated 2020-01-30. Source: crossref record 10.1016/s0140-6736(20)30252-x->10.1016/s0140-6736(20)30183-5:correction, observed 2026-07-11T03:11:57.97759+00:00. This notice travels one citation hop only.

Observation 1f2ebe60-ab49-4580-a0b9-f39c3ca7e041 · outbound

This paper cites an unresolved cited work.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Unresolved cited work

Reference 11

Resolution: unresolved; raw_fallback, observed 2026-08-15T15:56:41.727039Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 8b4d5869-b46f-4394-8971-604622cb7890 · outbound

This paper cites Journal of Ayub Medical College Abbottabad34(3), 581–584 (Jun 2022).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Journal of Ayub Medical College Abbottabad34(3), 581–584 (Jun 2022)

Reference 12

Resolution: unresolved; no resolver link, observed 2026-08-15T15:56:40.774997Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation b7c21002-16cf-49b0-b708-f2f716af8ca1 · outbound

This paper cites Informatics in Medicine Unlocked31, 100994 (2022).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Informatics in Medicine Unlocked31, 100994 (2022)

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-15T15:56:40.779091Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c272a156-7d46-4f5f-baf3-e2d8a7f7d0e4 · outbound

This paper cites https://doi.org/10.1101/2020.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 https://doi.org/10.1101/2020

Reference 14

Resolution: malformed identifier; no resolver link, observed 2026-08-15T15:56:40.783435Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 63f5a2a3-8c99-493b-965f-60e67b485067 · outbound

This paper cites Our World in Data (2020), https://ourworldindata.org/coronavirus.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Our World in Data (2020), https://ourworldindata.org/coronavirus

Reference 15

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T15:56:41.714195Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 40bf63c2-5a32-4900-9529-bbef728aebf8 · outbound

This paper cites an unresolved cited work.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Unresolved cited work

Reference 16

Resolution: unresolved; raw_fallback, observed 2026-08-15T15:56:41.699060Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 1840ac83-c2f5-4f36-b8ba-641222f04de1 · outbound

This paper cites Na- ture598(7880), 338–341 (Oct 2021).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Na- ture598(7880), 338–341 (Oct 2021)

Reference 17

Resolution: verified exact; doi, observed 2026-08-15T15:56:41.038956Z

Source-reported events for the cited work

correction dated 2021-12-17. Source: crossref record 10.1038/s41586-021-04172-0->10.1038/s41586-021-03914-4:correction, observed 2026-07-11T03:08:48.042831+00:00. This notice travels one citation hop only.

Observation b1cd76ad-a209-4f8f-9076-215f6bb96bfd · outbound

This paper cites Science of The Total Environment755, 142523 (Feb 2021).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Science of The Total Environment755, 142523 (Feb 2021)

Reference 18

Resolution: metadata mismatch; raw_fallback, observed 2026-08-15T15:56:41.248154Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation df8ebf71-e354-4fb1-b084-fdf80a933915 · outbound

This paper cites The Lancet Pub- lic Health5(5), e261–e270 (May 2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 The Lancet Pub- lic Health5(5), e261–e270 (May 2020)

Reference 19

Resolution: verified exact; doi, observed 2026-08-15T15:56:41.023431Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 49a49a84-be04-4ee9-86c1-68c9b851fba2 · outbound

This paper cites Chest158(1), 97–105 (Jul2020).https://doi.org/10.1016/j.chest.2020.04.010,https://doi.org/10.1016/j.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Chest158(1), 97–105 (Jul2020).https://doi.org/10.1016/j.chest.2020.04.010,https://doi.org/10.1016/j

Reference 20

Resolution: verified exact; doi, observed 2026-08-15T15:56:41.001126Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 448326cb-4cb7-46e4-a542-13a381ea3e0b · outbound

This paper cites an unresolved cited work.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Unresolved cited work

Reference 21

Resolution: verified exact; doi, observed 2026-08-15T15:56:40.982072Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation db582393-75ad-4e9c-8441-68c3740067b6 · outbound

This paper cites Annals of Internal Medicine173, 714–720 (2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Annals of Internal Medicine173, 714–720 (2020)

Reference 22

Resolution: verified exact; doi, observed 2026-08-15T15:56:40.955584Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation ffe27ee4-f9b8-4b59-b050-da665d763953 · outbound

This paper cites worldbank.org/indicator/NY.GDP.PCAP.KD.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 worldbank.org/indicator/NY.GDP.PCAP.KD

Reference 23

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T15:56:41.683399Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation a60ce254-4e79-420f-95de-2e4e90e1c1db · outbound

This paper cites worldbank.org/indicator/SI.POV.GINI.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 worldbank.org/indicator/SI.POV.GINI

Reference 24

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T15:56:41.668727Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation c2cb990c-887c-4ad6-851a-5d8f5adb369d · outbound

This paper cites km of land area) (2024), https://data.worldbank.org/indicator/EN.POP.DNST.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 km of land area) (2024), https://data.worldbank.org/indicator/EN.POP.DNST

Reference 25

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T15:56:41.653017Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 1ebfafa9-0535-4b0e-af5a-1dfca552d215 · outbound

This paper cites un.org/wpp/downloads, most used datasets.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 un.org/wpp/downloads, most used datasets

Reference 26

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T15:56:41.634313Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 4e2217d0-9fde-4176-bc88-bffe5f457039 · outbound

This paper cites an unresolved cited work.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Unresolved cited work

Reference 27

Resolution: unresolved; raw_fallback, observed 2026-08-15T15:56:41.616771Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation bd5cbdf6-905b-4b95-9d2a-2bc0f3e65814 · outbound

This paper cites an unresolved cited work.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Unresolved cited work

Reference 28

Resolution: unresolved; raw_fallback, observed 2026-08-15T15:56:41.601917Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 0330c9f9-1178-42c8-8b4c-e574f51b7caa · outbound

This paper cites https://www.who.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 https://www.who

Reference 29

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T15:56:41.586209Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 967d998a-6ed3-48e9-b5ae-a021dd544c38 · outbound

This paper cites an unresolved cited work.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Unresolved cited work

Reference 30

Resolution: unresolved; raw_fallback, observed 2026-08-15T15:56:41.570546Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 2f88d414-0f5c-4649-904a-7e194a7b085d · outbound

This paper cites JAMA In- ternal Medicine180(7), 934 (Jul 2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 JAMA In- ternal Medicine180(7), 934 (Jul 2020)

Reference 31

Resolution: malformed identifier; doi_truncated, observed 2026-08-15T15:56:41.174569Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation a09d7b46-77bc-46fd-989f-fd5c9a7b0523 · outbound

This paper cites Aging12(24), 24570–24578 (Dec 2020).

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Aging12(24), 24570–24578 (Dec 2020)

Reference 32

Resolution: verified exact; doi, observed 2026-08-15T15:56:40.933832Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Observation 1e3dd7f6-ef92-4cdb-8d27-b05415e19a8f · outbound

This paper cites an unresolved cited work.

PoPStat-COVID19: Leveraging Population Pyramids to Quantify Demographic Vulnerability to COVID-19 Unresolved cited work

Reference 33

Resolution: verified exact; doi, observed 2026-08-15T15:56:40.914023Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-21T06:32:19.484+00:00.

Pith citing papers

No inbound Pith citation observations are available.