Paper Citation Record · LEDGER

Optimal Scheme for Quantum Metrology

As of 21 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:2111.12279.

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

Coverage vector

measured 0 of 0 reference resolution

Typed states for the displayed outbound observations.

Source: paper_references, paper_reference_links

measured 2 of 2 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 2 of 2 inbound itemization

Pith citing papers itemized under the disclosed page cap.

Source: paper_references, paper_reference_links, observed 2026-08-04T06:57:04.849654Z

measured 0 of 1 external citation measurements

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

Source: cited_works

0 of 0 outbound references displayed

External citation measurements

No source-named external measurement is stored.

No outbound reference observations are available for this paper version.

Observation f20a4077-69c6-44f7-8ac3-712b90680209 · inbound

Reference 7

Resolution: unresolved; no resolver link, observed 2026-08-03T21:12:06.606408Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.

Observation c0e96d88-d71c-4fce-93ec-4d147b706571 · inbound

Reference 7

Resolution: unresolved; no resolver link, observed 2026-08-04T06:57:04.849654Z

Source-reported events for the cited work

Unavailable: canonical work link unavailable.