{"as_of":"2026-08-09T12:20:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:3409352e2d00b9cce17e50b7f3b19cd9192f2d5d5e73d35bad5474ff9a082b6c","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":1,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":1,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-09T06:31:02.800959+00:00","state":"measured"},{"denominator":1,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":1,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-06T21:43:08.345215Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"pith","source_observed_at":"2026-08-06T21:43:13.810259Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"0804.2246","last_updated":"2008-11-05T18:34:34Z","snapshot_observed_at":"2026-08-01T06:19:07.826928Z","submitted_at":"2008-04-14T19:36:24Z","title":"Novel Schemes for Directly Measuring Entanglement of General States","version":3},"cited_work":{"arxiv_id":"0804.2246","doi":null,"metadata_source":"pith","pith_arxiv_id":"0804.2246","snapshot_observed_at":"2026-08-06T21:43:13.810259Z","title":"Novel Schemes for Directly Measuring Entanglement of General States","venue":"quant-ph","work_id":"47976e8f-71c9-4d01-bfad-c50a71634036","year":2008},"citing_paper":{"arxiv_id":"2506.24112","last_updated":"2025-07-15T03:19:48Z","snapshot_observed_at":"2026-08-08T18:16:45.939367Z","submitted_at":"2025-06-30T17:56:07Z","title":"Singular value transformation for unknown quantum channels","version":2},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-06T21:43:08.345215Z"},"links":{"cited_paper":"/paper/0804.2246","citing_paper":"/paper/2506.24112"},"observation_digest":"sha256:81a1671886dda7db9b401058a8510866cff9503981b94af1eb9b4cdb23bde11c","observation_id":"75fa25a7-1856-4b32-bf23-406e67127e46","resolution":{"observed_at":"2026-08-06T21:43:13.896604Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-09T06:31:02.800959+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/0804.2246/citation-record","integrity":"/paper/0804.2246/integrity","json":"/paper/0804.2246/citation-record.json","paper":"/paper/0804.2246"},"outbound":[],"paper":{"arxiv_id":"0804.2246","last_updated":"2008-11-05T18:34:34Z","latest_version":3,"primary_category":"quant-ph","snapshot_observed_at":"2026-08-01T06:19:07.826928Z","submitted_at":"2008-04-14T19:36:24Z","title":"Novel Schemes for Directly Measuring Entanglement of General States"},"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":"2026-08-09T06:31:02.800959+00:00","source":"crossref"},{"observed_at":"2026-08-09T06:30:57.326959+00:00","source":"retraction_watch"}],"thesis":"As of 9 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:0804.2246."}