{"as_of":"2026-08-23T16:56:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:80672c88cbb55d08f52fc6656d19c4f0d3e224fc6db104f917496114bc27aee8","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":"2026-08-23T06:30:58.430688+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":"2026-05-15T09:59:16.120886Z","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":"2026-05-15T09:59:16.147934Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1909.04849","last_updated":"2019-09-11T04:47:36Z","snapshot_observed_at":"2026-08-09T13:17:05.538041Z","submitted_at":"2019-09-11T04:47:36Z","title":"A Discrete Hard EM Approach for Weakly Supervised Question Answering","version":1},"cited_work":{"arxiv_id":"1909.04849","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.04849","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"A dis- crete hard em approach for weakly supervised question answering","venue":null,"work_id":"c6bc9547-53da-4fbc-aea1-a1f4e0e3c81a","year":1909},"citing_paper":{"arxiv_id":"2002.08909","last_updated":"2020-02-10T18:40:59Z","snapshot_observed_at":"2026-08-02T17:52:27.326803Z","submitted_at":"2020-02-10T18:40:59Z","title":"REALM: Retrieval-Augmented Language Model Pre-Training","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-05-15T09:59:16.120886Z"},"links":{"cited_paper":"/paper/1909.04849","citing_paper":"/paper/2002.08909"},"observation_digest":"sha256:eb428baf09cf6aaefec7211262d8099551c73e3f5c9ae2b3ffde918d374b5937","observation_id":"46c3e9e7-e659-464b-a4cf-a59fd7e00d56","resolution":{"observed_at":"2026-05-15T09:59:16.151496Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1909.04849","last_updated":"2019-09-11T04:47:36Z","snapshot_observed_at":"2026-08-09T13:17:05.538041Z","submitted_at":"2019-09-11T04:47:36Z","title":"A Discrete Hard EM Approach for Weakly Supervised Question Answering","version":1},"cited_work":{"arxiv_id":"1909.04849","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1909.04849","snapshot_observed_at":"2026-06-05T21:23:00.469572Z","title":"A dis- crete hard em approach for weakly supervised question answering","venue":null,"work_id":"c6bc9547-53da-4fbc-aea1-a1f4e0e3c81a","year":1909},"citing_paper":{"arxiv_id":"2002.08910","last_updated":"2020-10-05T21:26:45Z","snapshot_observed_at":"2026-08-15T17:58:46.639035Z","submitted_at":"2020-02-10T18:55:58Z","title":"How Much Knowledge Can You Pack Into the Parameters of a Language Model?","version":4},"reference_index":60,"source":"arxiv_source","source_observed_at":"2026-05-15T02:00:28.055865Z"},"links":{"cited_paper":"/paper/1909.04849","citing_paper":"/paper/2002.08910"},"observation_digest":"sha256:d0f89482a620d6e6ceba8201c9f41401c8b7506560fdeeeee95b98abbe75be5e","observation_id":"33cbec8a-e685-442e-9e65-1b63125a1ea7","resolution":{"observed_at":"2026-05-15T02:00:28.139754Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-23T06:30:58.430688+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/1909.04849/citation-record","integrity":"/paper/1909.04849/integrity","json":"/paper/1909.04849/citation-record.json","paper":"/paper/1909.04849"},"outbound":[],"paper":{"arxiv_id":"1909.04849","last_updated":"2019-09-11T04:47:36Z","latest_version":1,"primary_category":"cs.CL","snapshot_observed_at":"2026-08-09T13:17:05.538041Z","submitted_at":"2019-09-11T04:47:36Z","title":"A Discrete Hard EM Approach for Weakly Supervised Question Answering"},"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":"2026-08-23T06:30:58.430688+00:00","source":"crossref"},{"observed_at":"2026-08-23T06:30:53.778098+00:00","source":"retraction_watch"}],"thesis":"As of 23 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 2 inbound Pith citation observations for arXiv:1909.04849."}