Paper Citation Record · LEDGER

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond

As of 19 August 2026, this Paper Citation Record lists 25 of 25 outbound references and 1 inbound Pith citation observation for arXiv:2509.04919.

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

pith.paper-citation-record.v1
2509.04919 v1

Coverage vector

measured 25 of 25 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links, observed 2026-08-15T16:36:52.710336Z

measured 26 of 26 standing notices

One-hop event checks from named stored sources.

Source: scholarly_work_events, retraction_status_cache, observed 2026-08-19T06:32:44.657259+00:00

measured 1 of 1 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-05-15T19:26:56.279545Z

measured 0 of 1 external citation measurements

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

Source: arxiv_reference, observed 2026-05-15T19:30:16.827194Z

Reference resolution

25 of 25 outbound references displayed

verified exact0
verified fuzzy8
unresolved17
parse uncertain0
malformed identifier0
metadata mismatch0

External citation measurements

No source-named external measurement is stored.

Outbound references

Observation 6fb2ea8f-723d-4fc9-9f6c-ca61f587852c · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 1

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.381731Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 9e93ba4e-80d9-43a9-acbe-db117c2c6806 · outbound

This paper cites and Rubinstein, B.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond and Rubinstein, B

Reference 2

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T16:36:53.363339Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation c9ec5acf-a2e4-4fbe-a492-6d30844acdda · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 3

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.346976Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation d80b8cb1-634f-48ab-8aaa-0fc57f133253 · outbound

This paper cites Plume: Differential Privacy at Scale.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Plume: Differential Privacy at Scale

Reference 4

Resolution: unresolved; no resolver link, observed 2026-08-15T16:36:52.588059Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 03b5c8fd-fb33-4e9c-b4ee-242561aa6ff7 · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 5

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.330946Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation dc859e5f-5222-45d1-8636-80eb4d840886 · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 6

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.312455Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 101f7780-3fce-43c0-b922-fcc14f46053f · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 7

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.295256Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation b9c74427-0892-4e40-9680-d7832e4882e2 · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 8

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.277891Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 13bf4caa-fac6-4141-bba8-105889f12a59 · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 9

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.257296Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation d054db5a-eca7-4aba-b8bf-4a0b1509fa45 · outbound

This paper cites and Viswanath, P.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond and Viswanath, P

Reference 10

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T16:36:53.238277Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 18c4fa41-260b-48fd-8905-69c40bfc9d37 · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 11

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.217801Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation b67207f1-2cd5-4219-b366-bc6d0a011d49 · outbound

This paper cites R., and Pagh, R.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond R., and Pagh, R

Reference 12

Resolution: unresolved; no resolver link, observed 2026-08-15T16:36:52.636388Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 276dac77-8c75-484a-8b17-24ef112828b0 · outbound

This paper cites Continual Release Moment Estimation with Differential Privacy.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Continual Release Moment Estimation with Differential Privacy

Reference 13

Resolution: unresolved; no resolver link, observed 2026-08-15T16:36:52.642494Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation 85915a2b-fa0e-41f4-b9ce-3912656ad434 · outbound

This paper cites and Vadhan, S.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond and Vadhan, S

Reference 14

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T16:36:53.197924Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 55b3a906-5fe7-40e3-901f-d6cdf68bceda · outbound

This paper cites T., and Wang, Y.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond T., and Wang, Y

Reference 15

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T16:36:53.178070Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation e9ef1e5a-78e1-4ece-a688-4721e006b696 · outbound

This paper cites T., and Wang, Y.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond T., and Wang, Y

Reference 16

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T16:36:53.157038Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation f773c288-c192-44e3-965b-7a5044a43382 · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 17

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.136548Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation f7a916ff-0f09-443c-8520-1d22ce968318 · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 18

Resolution: unresolved; no resolver link, observed 2026-08-15T16:36:52.672582Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation f10a262c-86d8-4409-b765-f41644d72dcd · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 19

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.101041Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 57c4903e-0365-40dc-9d38-6e491683b761 · outbound

This paper cites Lower Bounds for Private Estimation of Gaussian Covariance Matrices under All Reasonable Parameter Regimes.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Lower Bounds for Private Estimation of Gaussian Covariance Matrices under All Reasonable Parameter Regimes

Reference 20

Resolution: unresolved; no resolver link, observed 2026-08-15T16:36:52.682974Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation e07ebbdc-de4d-4212-9dd3-3ca2819553ac · outbound

This paper cites A., Tandon, A., and Sharma, A.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond A., Tandon, A., and Sharma, A

Reference 21

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T16:36:53.081893Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 7594ad75-bd82-49f1-b3d6-84ae28929e9d · outbound

This paper cites K., Sahay, S., and Ahammad, P.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond K., Sahay, S., and Ahammad, P

Reference 22

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T16:36:53.055410Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation 56cb8d91-ed7f-4bb9-a39f-573f88d4b954 · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 23

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:53.034666Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation f258f404-c999-433d-b7a7-df138e4160ab · outbound

This paper cites an unresolved cited work.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond Unresolved cited work

Reference 24

Resolution: unresolved; raw_fallback, observed 2026-08-15T16:36:52.995292Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Observation e9835c90-127e-4e20-a045-d6fa7d96d115 · outbound

This paper cites J., Zhang, C.

Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond J., Zhang, C

Reference 25

Resolution: verified fuzzy; raw_fallback, observed 2026-08-15T16:36:52.973039Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.

Pith citing papers

Observation a5a233a1-bb93-4b46-9634-3b2b2f05a83a · inbound

DPSQL+: A Differentially Private SQL Library with a Minimum Frequency Rule cites this paper.

DPSQL+: A Differentially Private SQL Library with a Minimum Frequency Rule Optimal Variance and Covariance Estimation under Differential Privacy in the Add-Remove Model and Beyond

Reference 12

Resolution: verified exact; arxiv_id, observed 2026-05-15T19:30:16.830635Z

Source-reported events for the cited work

No event found in the named queried sources as of 2026-08-19T06:32:44.657259+00:00.