{"as_of":"2026-08-12T07:16:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:977bc74dceaed1c3300955a9d05dbb869c77774ebd0bf4d69e4d4947319e2567","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":"2026-08-12T06:34:41.77262+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":"2026-08-10T22:50:28.551587Z","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":"2026-08-10T22:50:29.542665Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2301.09977","last_updated":"2023-05-31T23:37:17Z","snapshot_observed_at":"2026-08-02T16:53:44.461862Z","submitted_at":"2023-01-22T08:45:30Z","title":"The Backpropagation algorithm for a math student","version":3},"cited_work":{"arxiv_id":"2301.09977","doi":null,"metadata_source":"pith","pith_arxiv_id":"2301.09977","snapshot_observed_at":"2026-08-10T22:50:29.542665Z","title":"The Backpropagation algorithm for a math student","venue":"cs.LG","work_id":"dd939511-2df1-44f4-849d-66267b670dd2","year":2023},"citing_paper":{"arxiv_id":"2501.00692","last_updated":"2025-01-01T01:10:59Z","snapshot_observed_at":"2026-08-11T14:36:39.612089Z","submitted_at":"2025-01-01T01:10:59Z","title":"Adjoint sharding for very long context training of state space models","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-10T22:50:28.551587Z"},"links":{"cited_paper":"/paper/2301.09977","citing_paper":"/paper/2501.00692"},"observation_digest":"sha256:eb6a33b0aee2801cd6b3fa8e54199bb2426c717928dbd07c37a9e8602461d343","observation_id":"c5668d3e-01c5-47dd-b180-8403a30e76b6","resolution":{"observed_at":"2026-08-10T22:50:29.547231Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-12T06:34:41.77262+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"state":"measured"}}],"links":{"evidence":"/evidence","html":"/paper/2301.09977/citation-record","integrity":"/paper/2301.09977/integrity","json":"/paper/2301.09977/citation-record.json","paper":"/paper/2301.09977"},"outbound":[],"paper":{"arxiv_id":"2301.09977","last_updated":"2023-05-31T23:37:17Z","latest_version":3,"primary_category":"cs.LG","snapshot_observed_at":"2026-08-02T16:53:44.461862Z","submitted_at":"2023-01-22T08:45:30Z","title":"The Backpropagation algorithm for a math student"},"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":"2026-08-12T06:34:41.77262+00:00","source":"crossref"},{"observed_at":"2026-08-12T06:34:36.333875+00:00","source":"retraction_watch"}],"thesis":"As of 12 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 1 inbound Pith citation observation for arXiv:2301.09977."}