{"as_of":"2026-08-04T14:20:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:13f392051f498b3daf05a24263ea7807cb9903dbec1bea73da3b59419d56c699","coverage":[{"denominator":4,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":4,"source":"paper_references, paper_reference_links","source_observed_at":"2026-07-13T10:40:20.414026Z","state":"measured"},{"denominator":5,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":5,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-04T06:34:03.388597+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":"2026-08-01T08:29:08.003053Z","state":"measured"},{"denominator":1,"lane":"external_citation_measurements","note":"A source-named dated measurement, never combined with another source.","records_observed":0,"source":"cited_works","source_observed_at":null,"state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"2604.04231","last_updated":"2026-04-05T19:27:24Z","snapshot_observed_at":"2026-07-13T10:40:14.857712Z","submitted_at":"2026-04-05T19:27:24Z","title":"Subspace Control: Turning Constrained Model Steering into Controllable Spectral Optimization","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2604.04231","snapshot_observed_at":"2026-08-01T08:29:08.003053Z","title":"Subspace control: Turning constrained model steering into controllable spectral optimization.arXiv, abs/2604.04231, 2026","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2607.21111","last_updated":"2026-07-23T09:40:40Z","snapshot_observed_at":"2026-08-03T21:20:30.632484Z","submitted_at":"2026-07-23T09:40:40Z","title":"TOUR: A Trajectory-Level Unlearning Benchmark for Offline Reinforcement Learning","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-01T08:29:08.003053Z"},"links":{"cited_paper":"/paper/2604.04231","citing_paper":"/paper/2607.21111"},"observation_digest":"sha256:493b8e408883d38f77c960cfabe4ad9419835e6865e0807871f78b2dda19a08b","observation_id":"a50db434-4a4b-43bf-8850-8fa93e17bc09","resolution":{"observed_at":"2026-08-01T08:29:08.003053Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/2604.04231/citation-record","integrity":"/paper/2604.04231/integrity","json":"/paper/2604.04231/citation-record.json","paper":"/paper/2604.04231"},"outbound":[{"citation":{"cited_paper":{"arxiv_id":"2508.07684","last_updated":"2025-08-11T06:59:33Z","snapshot_observed_at":"2026-07-06T22:10:59.854651Z","submitted_at":"2025-08-11T06:59:33Z","title":"When are safety filters safe? On minimum phase conditions of control barrier functions","version":1},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"2508.07684","snapshot_observed_at":"2026-07-13T10:40:20.414026Z","title":"When are safety filters safe? on minimum phase conditions of control barrier functions,","venue":null,"work_id":null,"year":2025},"citing_paper":{"arxiv_id":"2604.04231","last_updated":"2026-04-05T19:27:24Z","snapshot_observed_at":"2026-07-13T10:40:14.857712Z","submitted_at":"2026-04-05T19:27:24Z","title":"Subspace Control: Turning Constrained Model Steering into Controllable Spectral Optimization","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-07-13T10:40:20.414026Z"},"links":{"cited_paper":"/paper/2508.07684","citing_paper":"/paper/2604.04231"},"observation_digest":"sha256:8fb0391c22df73fbdbe679da715c14133960c3bc5bdf8eb5d0b3fb77563df778","observation_id":"4607a799-3845-437b-b56b-902de5719101","resolution":{"observed_at":"2026-07-13T10:40:20.414026Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-13T10:40:20.414026Z","title":"Dynamical properties of control barrier function-based safety filters for linear systems and affine constraints,","venue":null,"work_id":null,"year":2026},"citing_paper":{"arxiv_id":"2604.04231","last_updated":"2026-04-05T19:27:24Z","snapshot_observed_at":"2026-07-13T10:40:14.857712Z","submitted_at":"2026-04-05T19:27:24Z","title":"Subspace Control: Turning Constrained Model Steering into Controllable Spectral Optimization","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-07-13T10:40:20.414026Z"},"links":{"citing_paper":"/paper/2604.04231"},"observation_digest":"sha256:ad3e8a5cd637ce9263a36fd3494ba3e57ee7fb0e52cfa8dc491b43c271989123","observation_id":"9f447707-943c-4287-a3bd-cb3528d4a15b","resolution":{"observed_at":"2026-07-13T10:40:20.414026Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-13T10:40:20.414026Z","title":null,"venue":null,"work_id":null,"year":1996},"citing_paper":{"arxiv_id":"2604.04231","last_updated":"2026-04-05T19:27:24Z","snapshot_observed_at":"2026-07-13T10:40:14.857712Z","submitted_at":"2026-04-05T19:27:24Z","title":"Subspace Control: Turning Constrained Model Steering into Controllable Spectral Optimization","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-07-13T10:40:20.414026Z"},"links":{"citing_paper":"/paper/2604.04231"},"observation_digest":"sha256:d08e48e481350d4054fc1309f0d92055f82e93ba26c68cbc03a02ab41490b3b3","observation_id":"7a8df308-674d-4914-b8d0-91d9cb066ebc","resolution":{"observed_at":"2026-07-13T10:40:20.414026Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":null,"snapshot_observed_at":"2026-07-13T10:40:20.414026Z","title":null,"venue":null,"work_id":null,"year":1994},"citing_paper":{"arxiv_id":"2604.04231","last_updated":"2026-04-05T19:27:24Z","snapshot_observed_at":"2026-07-13T10:40:14.857712Z","submitted_at":"2026-04-05T19:27:24Z","title":"Subspace Control: Turning Constrained Model Steering into Controllable Spectral Optimization","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-07-13T10:40:20.414026Z"},"links":{"citing_paper":"/paper/2604.04231"},"observation_digest":"sha256:a3c94268dae2eab976e440a6489e496cad2c5a9227e96d3eb77a598eb208937e","observation_id":"23d24bdb-e2de-49d4-813f-015b193e4835","resolution":{"observed_at":"2026-07-13T10:40:20.414026Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"paper":{"arxiv_id":"2604.04231","last_updated":"2026-04-05T19:27:24Z","latest_version":1,"primary_category":"cs.LG","snapshot_observed_at":"2026-07-13T10:40:14.857712Z","submitted_at":"2026-04-05T19:27:24Z","title":"Subspace Control: Turning Constrained Model Steering into Controllable Spectral Optimization"},"reference_resolution":{"displayed":4,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":4,"verified_exact":0,"verified_fuzzy":0},"total_outbound_references":4},"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":"2026-08-04T06:34:03.388597+00:00","source":"crossref"},{"observed_at":"2026-08-04T06:33:57.428241+00:00","source":"retraction_watch"}],"thesis":"As of 4 August 2026, this Paper Citation Record lists 4 of 4 outbound references and 1 inbound Pith citation observation for arXiv:2604.04231."}