{"as_of":"2026-08-09T20:34:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:d2aef7e4d5d2230133f0e031971cb17919295ac89f4fc10f75b878c9ae1a4820","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":2,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":2,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-09T06:31:02.800959+00:00","state":"measured"},{"denominator":2,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":2,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-07T05:41:34.331534Z","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":"2026-08-06T18:16:30.548575Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2102.01218","last_updated":"2021-03-15T13:16:27Z","snapshot_observed_at":"2026-07-06T10:37:37.039377Z","submitted_at":"2021-02-01T22:45:00Z","title":"The Gene Mover's Distance: Single-cell similarity via Optimal Transport","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2102.01218","snapshot_observed_at":"2026-08-07T05:41:34.331534Z","title":"53) Bellazzi, R., Codegoni, A., Gualandi, S., Nicora, G., and Vercesi, E","venue":null,"work_id":null,"year":2021},"citing_paper":{"arxiv_id":"2506.07534","last_updated":"2025-06-09T08:17:35Z","snapshot_observed_at":"2026-08-09T00:29:42.732133Z","submitted_at":"2025-06-09T08:17:35Z","title":"Flowing Datasets with Wasserstein over Wasserstein Gradient Flows","version":1},"reference_index":2023,"source":"pdf_text","source_observed_at":"2026-08-07T05:41:34.331534Z"},"links":{"cited_paper":"/paper/2102.01218","citing_paper":"/paper/2506.07534"},"observation_digest":"sha256:35c823245f9703b392ac662b2e88136e6e41b584b0de4ad198d38ad4b7d01f26","observation_id":"60aabb42-e811-4389-bc2c-a87597f6d5b3","resolution":{"observed_at":"2026-08-07T05:41:34.331534Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"2102.01218","last_updated":"2021-03-15T13:16:27Z","snapshot_observed_at":"2026-07-06T10:37:37.039377Z","submitted_at":"2021-02-01T22:45:00Z","title":"The Gene Mover's Distance: Single-cell similarity via Optimal Transport","version":2},"cited_work":{"arxiv_id":"2102.01218","doi":"10.48550/arxiv.2102.01218","metadata_source":"pith","pith_arxiv_id":"2102.01218","snapshot_observed_at":"2026-08-06T18:16:30.548575Z","title":"The Gene Mover's Distance: Single-cell similarity via Optimal Transport","venue":"q-bio.GN","work_id":"28f4d685-cf14-4342-babe-eff49c722e40","year":2021},"citing_paper":{"arxiv_id":"2507.13094","last_updated":"2025-07-17T13:06:24Z","snapshot_observed_at":"2026-08-08T08:57:17.808817Z","submitted_at":"2025-07-17T13:06:24Z","title":"Unsupervised Ground Metric Learning","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-06T16:41:14.651247Z"},"links":{"cited_paper":"/paper/2102.01218","citing_paper":"/paper/2507.13094"},"observation_digest":"sha256:18330cc3c9b071ead9f4933fa3f1c3d61b50053037d7839aeae2fae558ec53d8","observation_id":"902767a0-c976-476c-aa85-184f6f6c5e3f","resolution":{"observed_at":"2026-08-06T16:41:22.881108Z","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/2102.01218/citation-record","integrity":"/paper/2102.01218/integrity","json":"/paper/2102.01218/citation-record.json","paper":"/paper/2102.01218"},"outbound":[],"paper":{"arxiv_id":"2102.01218","last_updated":"2021-03-15T13:16:27Z","latest_version":2,"primary_category":"q-bio.GN","snapshot_observed_at":"2026-07-06T10:37:37.039377Z","submitted_at":"2021-02-01T22:45:00Z","title":"The Gene Mover's Distance: Single-cell similarity via Optimal Transport"},"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 2 inbound Pith citation observations for arXiv:2102.01218."}