{"as_of":"2026-08-07T19:47:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:e4834ba51a246c86f0026f1bbe623f20ba822baf55ec9b29d5c61336d3b59b73","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":6,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":6,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-07T06:34:17.273281+00:00","state":"measured"},{"denominator":6,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":6,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-03T17:46:14.218409Z","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":"2026-07-04T20:20:06.750560Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1912.12152","last_updated":"2020-09-25T08:16:27Z","snapshot_observed_at":"2026-08-06T18:00:49.152134Z","submitted_at":"2019-12-27T15:21:35Z","title":"Cosmological Constraint on Dark Photon from $N_{\\rm eff}$","version":3},"cited_work":{"arxiv_id":"1912.12152","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1912.12152","snapshot_observed_at":"2026-07-04T20:20:06.750560Z","title":"Cosmological constraint on dark photon from N ef f,","venue":null,"work_id":"6565cc57-4236-432e-a946-29f2e21dcad9","year":2020},"citing_paper":{"arxiv_id":"2507.23354","last_updated":"2026-04-24T03:16:14Z","snapshot_observed_at":"2026-08-03T11:13:59.518532Z","submitted_at":"2025-07-31T09:04:21Z","title":"Consistent $N_{\\rm eff}$ fitting in big bang nucleosynthesis analysis","version":2},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-05-19T02:48:34.659864Z"},"links":{"cited_paper":"/paper/1912.12152","citing_paper":"/paper/2507.23354"},"observation_digest":"sha256:39e5d98d6938ce1ebc67e6ed2873b57aac2d710ef6754e6485f37435d2075c5a","observation_id":"696ed03c-b53f-4798-b584-4fbf7c60d154","resolution":{"observed_at":"2026-05-19T02:52:00.182866Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-07T06:34:17.273281+00:00","source":"crossref"},{"observed_at":"2026-08-07T06:34:11.927384+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1912.12152","last_updated":"2020-09-25T08:16:27Z","snapshot_observed_at":"2026-08-06T18:00:49.152134Z","submitted_at":"2019-12-27T15:21:35Z","title":"Cosmological Constraint on Dark Photon from $N_{\\rm eff}$","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.12152","snapshot_observed_at":"2026-08-03T17:46:14.218409Z","title":null,"venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2512.08528","last_updated":"2026-06-24T04:57:17Z","snapshot_observed_at":"2026-08-05T16:25:29.696230Z","submitted_at":"2025-12-09T12:17:03Z","title":"Dark Photons in the Early Universe: From Thermal Production to Cosmological Constraints","version":2},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-03T17:46:14.218409Z"},"links":{"cited_paper":"/paper/1912.12152","citing_paper":"/paper/2512.08528"},"observation_digest":"sha256:b4293a14b9b31d9d3b17dbfbe01f99385b8240d49d3bab81794a673a4c1e8233","observation_id":"81120e5c-79bc-4fac-90c8-91b6e88ab29c","resolution":{"observed_at":"2026-08-03T17:46:14.218409Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.12152","last_updated":"2020-09-25T08:16:27Z","snapshot_observed_at":"2026-08-06T18:00:49.152134Z","submitted_at":"2019-12-27T15:21:35Z","title":"Cosmological Constraint on Dark Photon from $N_{\\rm eff}$","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.12152","snapshot_observed_at":"2026-08-03T03:53:24.070995Z","title":"Cosmological constraint on dark photon from Nef f,","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2602.06861","last_updated":"2026-07-23T07:42:50Z","snapshot_observed_at":"2026-08-05T21:05:53.992537Z","submitted_at":"2026-02-06T16:49:47Z","title":"Direct Detection and Cosmological Constraints of Dark Matter with Dark Dipoles","version":2},"reference_index":77,"source":"pdf_text","source_observed_at":"2026-08-03T03:53:24.070995Z"},"links":{"cited_paper":"/paper/1912.12152","citing_paper":"/paper/2602.06861"},"observation_digest":"sha256:28d01ba28336ca462b8d58a651a308f471064edb68948165e680094efea25266","observation_id":"87827cdc-d724-462b-9389-04a321b024e2","resolution":{"observed_at":"2026-08-03T03:53:24.070995Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.12152","last_updated":"2020-09-25T08:16:27Z","snapshot_observed_at":"2026-08-06T18:00:49.152134Z","submitted_at":"2019-12-27T15:21:35Z","title":"Cosmological Constraint on Dark Photon from $N_{\\rm eff}$","version":3},"cited_work":{"arxiv_id":"1912.12152","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1912.12152","snapshot_observed_at":"2026-07-04T20:20:06.750560Z","title":"Cosmological constraint on dark photon from N ef f,","venue":null,"work_id":"6565cc57-4236-432e-a946-29f2e21dcad9","year":2020},"citing_paper":{"arxiv_id":"2606.08487","last_updated":"2026-06-07T07:19:13Z","snapshot_observed_at":"2026-08-02T09:06:34.834764Z","submitted_at":"2026-06-07T07:19:13Z","title":"Probing Dark Photons from Nuclear De-excitation in Reactor Neutrino Experiment","version":1},"reference_index":43,"source":"pdf_text","source_observed_at":"2026-06-27T18:25:57.818398Z"},"links":{"cited_paper":"/paper/1912.12152","citing_paper":"/paper/2606.08487"},"observation_digest":"sha256:e05f4f0a8f8e97a5446b5a7b6a8a2447c538c3d7f0d5b49ff50cb8e087a293bf","observation_id":"06a47b8a-092c-4b3d-97bb-f86889296750","resolution":{"observed_at":"2026-07-02T23:07:27.547148Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-07T06:34:17.273281+00:00","source":"crossref"},{"observed_at":"2026-08-07T06:34:11.927384+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1912.12152","last_updated":"2020-09-25T08:16:27Z","snapshot_observed_at":"2026-08-06T18:00:49.152134Z","submitted_at":"2019-12-27T15:21:35Z","title":"Cosmological Constraint on Dark Photon from $N_{\\rm eff}$","version":3},"cited_work":{"arxiv_id":"1912.12152","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1912.12152","snapshot_observed_at":"2026-07-04T20:20:06.750560Z","title":"Cosmological constraint on dark photon from N ef f,","venue":null,"work_id":"6565cc57-4236-432e-a946-29f2e21dcad9","year":2020},"citing_paper":{"arxiv_id":"2606.25779","last_updated":"2026-06-24T12:56:46Z","snapshot_observed_at":"2026-07-07T00:00:12.737052Z","submitted_at":"2026-06-24T12:56:46Z","title":"Dark Photons from Red Dwarfs","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-06-25T20:27:04.894292Z"},"links":{"cited_paper":"/paper/1912.12152","citing_paper":"/paper/2606.25779"},"observation_digest":"sha256:1315d2e6d18dacca7cc1f69b920f27c67d703b01764fe7bb638463f69cf2223f","observation_id":"2388b629-c669-41e7-991b-056695d67eb2","resolution":{"observed_at":"2026-07-04T20:20:06.752035Z","resolver_source":"arxiv_id","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-07T06:34:17.273281+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-07T06:34:17.273281+00:00","source":"crossref"},{"observed_at":"2026-08-07T06:34:11.927384+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1912.12152","last_updated":"2020-09-25T08:16:27Z","snapshot_observed_at":"2026-08-06T18:00:49.152134Z","submitted_at":"2019-12-27T15:21:35Z","title":"Cosmological Constraint on Dark Photon from $N_{\\rm eff}$","version":3},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.12152","snapshot_observed_at":"2026-07-31T12:31:48.010052Z","title":null,"venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2607.24524","last_updated":"2026-07-27T15:03:46Z","snapshot_observed_at":"2026-08-02T19:40:19.057807Z","submitted_at":"2026-07-27T15:03:46Z","title":"Light Dark Matter Discovery Potential and Model Selection at LDMX","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-07-31T12:31:48.010052Z"},"links":{"cited_paper":"/paper/1912.12152","citing_paper":"/paper/2607.24524"},"observation_digest":"sha256:e98ef2376f4dcc0ff765432472806024041fa83b4b05605169f875c9353573ca","observation_id":"490c519b-9301-490f-8d19-fee6aabe6eab","resolution":{"observed_at":"2026-07-31T12:31:48.010052Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"links":{"evidence":"/evidence","html":"/paper/1912.12152/citation-record","integrity":"/paper/1912.12152/integrity","json":"/paper/1912.12152/citation-record.json","paper":"/paper/1912.12152"},"outbound":[],"paper":{"arxiv_id":"1912.12152","last_updated":"2020-09-25T08:16:27Z","latest_version":3,"primary_category":"hep-ph","snapshot_observed_at":"2026-08-06T18:00:49.152134Z","submitted_at":"2019-12-27T15:21:35Z","title":"Cosmological Constraint on Dark Photon from $N_{\\rm eff}$"},"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":"2026-08-07T06:34:17.273281+00:00","source":"crossref"},{"observed_at":"2026-08-07T06:34:11.927384+00:00","source":"retraction_watch"}],"thesis":"As of 7 August 2026, this Paper Citation Record lists 0 of 0 outbound references and 6 inbound Pith citation observations for arXiv:1912.12152."}