{"as_of":"2026-08-16T01:56:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:2aae92306f29d0478c6cf9cf79f6ecc54ad28dbd0c93c28e9cddd335408a585e","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":"2026-08-15T06:32:42.880941+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":"2026-08-10T19:35:47.314068Z","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":"2026-08-10T19:35:47.483041Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2107.04217","last_updated":"2021-07-09T05:34:36Z","snapshot_observed_at":"2026-08-15T20:14:35.732287Z","submitted_at":"2021-07-09T05:34:36Z","title":"Joint Models for Answer Verification in Question Answering Systems","version":1},"cited_work":{"arxiv_id":"2107.04217","doi":null,"metadata_source":"pith","pith_arxiv_id":"2107.04217","snapshot_observed_at":"2026-08-10T19:35:47.483041Z","title":"Joint Models for Answer Verification in Question Answering Systems","venue":"cs.CL","work_id":"1f5a0228-a057-46ba-afad-c4ae0c877f64","year":2021},"citing_paper":{"arxiv_id":"2501.09946","last_updated":"2025-01-17T04:00:50Z","snapshot_observed_at":"2026-08-14T14:58:20.897664Z","submitted_at":"2025-01-17T04:00:50Z","title":"Client-Centric Federated Adaptive Optimization","version":1},"reference_index":97,"source":"pdf_text","source_observed_at":"2026-08-10T19:35:47.314068Z"},"links":{"cited_paper":"/paper/2107.04217","citing_paper":"/paper/2501.09946"},"observation_digest":"sha256:88317db7a81e48bea57ec50786a342051c103731c94ab111c5449ac986146f56","observation_id":"dced5d69-16b8-4f06-808a-becdbbb09ef8","resolution":{"observed_at":"2026-08-10T19:35:47.488490Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-15T06:32:42.880941+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2107.04217/citation-record","integrity":"/paper/2107.04217/integrity","json":"/paper/2107.04217/citation-record.json","paper":"/paper/2107.04217"},"outbound":[],"paper":{"arxiv_id":"2107.04217","last_updated":"2021-07-09T05:34:36Z","latest_version":1,"primary_category":"cs.CL","snapshot_observed_at":"2026-08-15T20:14:35.732287Z","submitted_at":"2021-07-09T05:34:36Z","title":"Joint Models for Answer Verification in Question Answering Systems"},"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":"2026-08-15T06:32:42.880941+00:00","source":"crossref"},{"observed_at":"2026-08-15T06:32:39.529945+00:00","source":"retraction_watch"}],"thesis":"As of 16 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2107.04217."}