Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
Paper Citation Record · LEDGER
As of 10 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 4 inbound Pith citation observations for arXiv:gr-qc/9902045.
A citation records a reference. It does not transfer a finding from one paper to another.
Typed states for the displayed outbound observations.
Source: paper_references, paper_reference_links
One-hop event checks from named stored sources.
Source: scholarly_work_events, retraction_status_cache, observed 2026-08-10T06:31:04.303077+00:00
Pith citing papers itemized under the disclosed page cap.
Source: paper_references, paper_reference_links, observed 2026-08-06T16:17:54.974099Z
A source-named dated measurement, never combined with another source.
Source: pith, observed 2026-07-02T15:07:04.856341Z
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 04cfecdc-5af9-454d-a6d8-41f3ea768c4e · inbound
On the relation between perspective-neutral, algebraic, and effective quantum reference frames A Uniqueness Theorem for Constraint Quantization
Reference 107
Source-reported events for the cited work
Unavailable: canonical work link unavailable.
Observation a797f991-5db9-4fe5-9a7f-36105aac6b54 · inbound
Gravitational Hilbert spaces: invariant and co-invariant states, inner products, gauge-fixing, and BRST A Uniqueness Theorem for Constraint Quantization
Reference 33
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation 68f9050c-8ccf-4d5e-831d-a595c2bb703d · inbound
Gravitational null rays: Covariant Quantization and the Dressing Time A Uniqueness Theorem for Constraint Quantization
Reference 61
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.
Observation c0623ac1-5135-45c7-bd92-4bc0ec624a69 · inbound
Smooth horizons from topology change in canonical quantum gravity A Uniqueness Theorem for Constraint Quantization
Reference 59
Source-reported events for the cited work
No event found in the named queried sources as of 2026-08-10T06:31:04.303077+00:00.