{"as_of":"2026-08-20T01:31:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:a930fef8601ed215554225e827167b9737ec0558f0535e5562d7b125d53d324a","coverage":[{"denominator":0,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"state":"measured"},{"denominator":3,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":3,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-19T06:32:44.657259+00:00","state":"measured"},{"denominator":3,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":3,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-06T16:17:47.841095Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1009.5953","last_updated":"2011-07-19T15:27:37Z","snapshot_observed_at":"2026-08-15T05:07:27.204738Z","submitted_at":"2010-09-29T17:34:43Z","title":"An effective approach to the problem of time","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1009.5953","snapshot_observed_at":"2026-08-06T16:17:47.841095Z","title":"An Effective approach to the problem of time,","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"2507.14131","last_updated":"2026-08-19T15:02:18Z","snapshot_observed_at":"2026-08-20T01:21:44.041548Z","submitted_at":"2025-07-18T17:58:04Z","title":"On the relation between perspective-neutral, algebraic, and effective quantum reference frames","version":2},"reference_index":36,"source":"pdf_text","source_observed_at":"2026-08-06T16:17:47.841095Z"},"links":{"cited_paper":"/paper/1009.5953","citing_paper":"/paper/2507.14131"},"observation_digest":"sha256:af0a2ce781fed46f2adc5dbe6094e33695dd4a1c88e887189f80063bb49b758c","observation_id":"c883b515-1f6e-4629-9709-c6283eca233a","resolution":{"observed_at":"2026-08-06T16:17:47.841095Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1009.5953","last_updated":"2011-07-19T15:27:37Z","snapshot_observed_at":"2026-08-15T05:07:27.204738Z","submitted_at":"2010-09-29T17:34:43Z","title":"An effective approach to the problem of time","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1009.5953","snapshot_observed_at":"2026-08-04T09:49:28.966950Z","title":"An Effective approach to the problem of time,","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"2510.13607","last_updated":"2026-06-01T14:13:59Z","snapshot_observed_at":"2026-08-14T21:05:35.984025Z","submitted_at":"2025-10-15T14:37:11Z","title":"What can we do in a symmetry-constrained perspective? The importance of the total charge's status in quantum reference frame frameworks","version":4},"reference_index":40,"source":"pdf_text","source_observed_at":"2026-08-04T09:49:28.966950Z"},"links":{"cited_paper":"/paper/1009.5953","citing_paper":"/paper/2510.13607"},"observation_digest":"sha256:18676a0ca749f0705857c5c80c4f16c5f453f453618c7fd0a5997ee37d96be54","observation_id":"a8af0cce-11e8-453e-8e6f-d1c0aef36c40","resolution":{"observed_at":"2026-08-04T09:49:28.966950Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1009.5953","last_updated":"2011-07-19T15:27:37Z","snapshot_observed_at":"2026-08-15T05:07:27.204738Z","submitted_at":"2010-09-29T17:34:43Z","title":"An effective approach to the problem of time","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1009.5953","snapshot_observed_at":"2026-08-01T07:02:35.643021Z","title":"An effective approach to the problem of time,","venue":null,"work_id":null,"year":2011},"citing_paper":{"arxiv_id":"2607.21703","last_updated":"2026-07-23T18:00:01Z","snapshot_observed_at":"2026-08-17T16:13:57.519519Z","submitted_at":"2026-07-23T18:00:01Z","title":"Frame-Dependent Traces and the Third-Particle Paradox","version":1},"reference_index":60,"source":"pdf_text","source_observed_at":"2026-08-01T07:02:35.643021Z"},"links":{"cited_paper":"/paper/1009.5953","citing_paper":"/paper/2607.21703"},"observation_digest":"sha256:f3f91c0c1a5fbbaf5a42292c224e17f7b8c1de1947d3aef506457cf741f173de","observation_id":"948c8e66-8dda-433f-801c-96a23fbbfb92","resolution":{"observed_at":"2026-08-01T07:02:35.643021Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1009.5953/citation-record","integrity":"/paper/1009.5953/integrity","json":"/paper/1009.5953/citation-record.json","paper":"/paper/1009.5953"},"outbound":[],"paper":{"arxiv_id":"1009.5953","last_updated":"2011-07-19T15:27:37Z","latest_version":2,"primary_category":"gr-qc","snapshot_observed_at":"2026-08-15T05:07:27.204738Z","submitted_at":"2010-09-29T17:34:43Z","title":"An effective approach to the problem of time"},"reference_resolution":{"displayed":0,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":0,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":0},"refusal":"A citation records a reference. It does not transfer a finding from one paper to another.","schema":"pith.paper-citation-record.v1","standing_sources":[{"observed_at":"2026-08-19T06:32:44.657259+00:00","source":"crossref"},{"observed_at":"2026-08-19T06:32:39.956319+00:00","source":"retraction_watch"}],"thesis":"As of 20 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 3 inbound Pith citation observations for arXiv:1009.5953."}