{"as_of":"2026-08-06T10:42:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:0d56549bd35fffaf3261565782252aee0d5160079d60b9a8a9d24abecac318d3","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":"2026-08-06T06:34:29.942622+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":"2026-05-18T17:35:04.332467Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"arxiv_reference","source_observed_at":"2026-05-18T17:36:41.243147Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2102.04525","last_updated":"2021-11-24T15:12:27Z","snapshot_observed_at":"2026-07-06T10:39:39.570342Z","submitted_at":"2021-02-08T20:47:38Z","title":"Unified Focal loss: Generalising Dice and cross entropy-based losses to handle class imbalanced medical image segmentation","version":4},"cited_work":{"arxiv_id":"2102.04525","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"2102.04525","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"arXiv preprint arXiv:2102.04525","venue":null,"work_id":"36b4a720-4e15-43e1-a846-48d5be482714","year":null},"citing_paper":{"arxiv_id":"2509.05892","last_updated":"2026-04-05T06:21:48Z","snapshot_observed_at":"2026-08-02T15:59:41.498788Z","submitted_at":"2025-09-07T01:54:20Z","title":"Challenges in Deep Learning-Based Small Organ Segmentation: A Benchmarking Perspective for Medical Research with Limited Datasets","version":2},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-05-18T17:35:04.332467Z"},"links":{"cited_paper":"/paper/2102.04525","citing_paper":"/paper/2509.05892"},"observation_digest":"sha256:66c77cc6c97031e6b99a5e53125be92174d1b09d28abebe69faf6a9323f13ffe","observation_id":"6da3245d-a068-4a1b-96a7-cb2bffa1e812","resolution":{"observed_at":"2026-05-18T17:36:41.246456Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-06T06:34:29.942622+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-06T06:34:29.942622+00:00","source":"crossref"},{"observed_at":"2026-08-06T06:34:23.284952+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2102.04525/citation-record","integrity":"/paper/2102.04525/integrity","json":"/paper/2102.04525/citation-record.json","paper":"/paper/2102.04525"},"outbound":[],"paper":{"arxiv_id":"2102.04525","last_updated":"2021-11-24T15:12:27Z","latest_version":4,"primary_category":"eess.IV","snapshot_observed_at":"2026-07-06T10:39:39.570342Z","submitted_at":"2021-02-08T20:47:38Z","title":"Unified Focal loss: Generalising Dice and cross entropy-based losses to handle class imbalanced medical image segmentation"},"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":"2026-08-06T06:34:29.942622+00:00","source":"crossref"},{"observed_at":"2026-08-06T06:34:23.284952+00:00","source":"retraction_watch"}],"thesis":"As of 6 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2102.04525."}