{"as_of":"2026-08-17T01:34:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:9e04efd04d0ee0f313930c7aca77890a32947991eed5f026758ccb72dee9ed43","coverage":[{"denominator":27,"lane":"reference_resolution","note":"Typed states for the displayed outbound observations.","records_observed":27,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-14T13:18:24.568893Z","state":"measured"},{"denominator":27,"lane":"standing_notices","note":"One-hop event checks from named stored sources.","records_observed":27,"source":"scholarly_work_events, retraction_status_cache","source_observed_at":"2026-08-16T06:30:59.297886+00:00","state":"measured"},{"denominator":0,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":0,"source":"paper_references, paper_reference_links","source_observed_at":null,"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":[],"links":{"evidence":"/evidence","html":"/paper/1908.05680/citation-record","integrity":"/paper/1908.05680/integrity","json":"/paper/1908.05680/citation-record.json","paper":"/paper/1908.05680"},"outbound":[{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:26.375395Z","title":"Parker, Particle creation in expanding universes, Ph ys","venue":null,"work_id":"52a05008-6689-47a6-9ec9-e3836b1d81f8","year":1968},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":1,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:23.977213Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:46d32201b5d6e3ae5ce61ac50ff0d4e9a856234fef3479e0246d0c233ebb8273","observation_id":"2d63c598-aa79-4a1b-b039-cd22529cd15c","resolution":{"observed_at":"2026-08-14T13:18:26.446750Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:26.327491Z","title":"Parker, Quantized ﬁelds and particle creation in expa nding universes, I","venue":null,"work_id":"836489e2-8ab0-4059-a7a5-4f8a2c074785","year":1969},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":2,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:23.997827Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:31b14eaf8a40012a13d358b8934edf85f325b682b0ae1528a6933bb9cf0ff444","observation_id":"082f0b0f-47ae-407b-8613-c9a481a49c64","resolution":{"observed_at":"2026-08-14T13:18:26.332831Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:26.191134Z","title":"Parker, Quantized ﬁelds and particle creation in expa nding universes, II","venue":null,"work_id":"760cdb37-0d39-4782-b64d-cb46cc211afc","year":1971},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":3,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.013381Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:46eb656deec0dcfced2d0996465eb8b4fb33e2de24ac990fb55a04b5a5713187","observation_id":"b39b6d8d-afe0-44f2-8400-1eefac4bb7fd","resolution":{"observed_at":"2026-08-14T13:18:26.317366Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:26.131264Z","title":"Papastamatiou and L","venue":null,"work_id":"094945fb-76c4-48ac-a6e5-7efec71638c3","year":1979},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":4,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.022017Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:cb0923104f9dba078d76c90a628a6feb9d256453c8517edec701017106780db8","observation_id":"0ffd9417-2bfa-4832-904d-180d5f0bfd49","resolution":{"observed_at":"2026-08-14T13:18:26.135987Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:26.052523Z","title":null,"venue":null,"work_id":"6490de5b-27b1-4096-ae9b-8fa22734a3a8","year":1982},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":5,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.026757Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:406014958241e0ae73d924e16d5fa043230b25d9659ebcdbbf737cd0a2483012","observation_id":"40bfaae0-e985-4f45-91fe-44e85937b26f","resolution":{"observed_at":"2026-08-14T13:18:26.116110Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.860794Z","title":null,"venue":null,"work_id":"d9c2d55b-dbad-42b5-ae5c-cbb32284d4dc","year":1989},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":6,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.031496Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:40ce394e26136f9a850eb8a412e63768f22428199055ff76d0a67eff86b8921f","observation_id":"bb0269af-4a39-4bb4-928a-233588d9e1f1","resolution":{"observed_at":"2026-08-14T13:18:25.979312Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.845034Z","title":null,"venue":null,"work_id":"a354737d-2b9c-4bdd-a89f-653bc9d8465b","year":2007},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":7,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.096927Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:83c0a55793f00232c361ba24b2b2c226f20ec97d1f217b7742b1603c8e76c8b7","observation_id":"e9957b7f-9904-42f0-8ef6-36a4f396b298","resolution":{"observed_at":"2026-08-14T13:18:25.849454Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1108.5869","last_updated":"2012-10-06T06:40:39Z","snapshot_observed_at":"2026-08-16T23:28:56.351837Z","submitted_at":"2011-08-30T08:23:20Z","title":"Canonical formulation of curvature squared action in the presence of lapse function","version":2},"cited_work":{"arxiv_id":"1108.5869","doi":null,"metadata_source":"pith","pith_arxiv_id":"1108.5869","snapshot_observed_at":"2026-08-14T13:18:25.037020Z","title":"Canonical formulation of curvature squared action in the presence of lapse function","venue":"gr-qc","work_id":"ef3a7003-b879-42a6-b830-1371b0eea411","year":2011},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":8,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.183027Z"},"links":{"cited_paper":"/paper/1108.5869","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:23413236afe1daa0d7a3bc482c7c069a5bc21fb727bba9aaa18fc7952451842b","observation_id":"94ce3f60-b859-4a9b-8a95-21b11a115d57","resolution":{"observed_at":"2026-08-14T13:18:25.084832Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.827347Z","title":null,"venue":null,"work_id":"67a01d6e-060d-4a7e-8017-a982e402512e","year":2016},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":9,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.190059Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:457bf591f0335fb46ce5a333ddb968b8acb1dcf9ca4fd8dae037238731af143b","observation_id":"1cfcc628-1725-4901-ba94-a998804ae0e5","resolution":{"observed_at":"2026-08-14T13:18:25.832749Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1608.04669","last_updated":"2017-05-15T03:43:40Z","snapshot_observed_at":"2026-08-14T21:43:59.087300Z","submitted_at":"2016-08-16T16:44:45Z","title":"History of cosmic evolution with modified Gauss-Bonnet-dilatonic coupled term","version":2},"cited_work":{"arxiv_id":"1608.04669","doi":null,"metadata_source":"pith","pith_arxiv_id":"1608.04669","snapshot_observed_at":"2026-08-14T13:18:25.012530Z","title":"History of cosmic evolution with modified Gauss-Bonnet-dilatonic coupled term","venue":"gr-qc","work_id":"1d17f205-9e27-472a-a3ec-860c3af8ac11","year":2016},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":10,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.194854Z"},"links":{"cited_paper":"/paper/1608.04669","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:53e65abca8347c694d66f92e0aba863a9b06c58c06606616038a9fe621c5fb73","observation_id":"a6efe8ca-270d-4bf8-b4d6-2c01c4985f17","resolution":{"observed_at":"2026-08-14T13:18:25.018189Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1709.05201","last_updated":"2018-08-15T16:05:53Z","snapshot_observed_at":"2026-08-14T20:32:49.220246Z","submitted_at":"2017-09-15T13:42:04Z","title":"Equivalent and inequivalent canonical structures of higher order theories of gravity","version":3},"cited_work":{"arxiv_id":"1709.05201","doi":null,"metadata_source":"pith","pith_arxiv_id":"1709.05201","snapshot_observed_at":"2026-08-14T13:18:24.978282Z","title":"Equivalent and inequivalent canonical structures of higher order theories of gravity","venue":"gr-qc","work_id":"1956bcf4-0f4d-4538-ae9b-7c520847b713","year":2017},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":11,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.200250Z"},"links":{"cited_paper":"/paper/1709.05201","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:486c0751590659a18b1df769688fa5c66cca6a358a8cd875462afaaa640eb604","observation_id":"073c8fa5-9f2e-428b-8a25-b911612f4c25","resolution":{"observed_at":"2026-08-14T13:18:24.991341Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1801.04056","last_updated":"2018-05-20T03:50:43Z","snapshot_observed_at":"2026-08-14T19:55:45.634139Z","submitted_at":"2018-01-12T05:02:28Z","title":"Early Universe with modified scalar-tensor theory of gravity","version":2},"cited_work":{"arxiv_id":"1801.04056","doi":null,"metadata_source":"pith","pith_arxiv_id":"1801.04056","snapshot_observed_at":"2026-08-14T13:18:24.938379Z","title":"Early Universe with modified scalar-tensor theory of gravity","venue":"hep-th","work_id":"9cc7c6a8-e22d-4ef0-ba31-5cd093856d6e","year":2018},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":12,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.254318Z"},"links":{"cited_paper":"/paper/1801.04056","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:847327d93fbb1ba498910a9891af9f23a0a1f21d2936162a89359c188a25d13b","observation_id":"34be74e5-ab0e-4ddb-89eb-a23af9dac0c4","resolution":{"observed_at":"2026-08-14T13:18:24.945029Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1807.02769","last_updated":"2019-08-15T14:57:49Z","snapshot_observed_at":"2026-08-14T18:54:35.854686Z","submitted_at":"2018-07-08T07:02:15Z","title":"Degenerate Hamiltonian operator in higher-order canonical gravity -- the problem and a remedy","version":3},"cited_work":{"arxiv_id":"1807.02769","doi":null,"metadata_source":"pith","pith_arxiv_id":"1807.02769","snapshot_observed_at":"2026-08-14T13:18:24.792298Z","title":"Degenerate Hamiltonian operator in higher-order canonical gravity -- the problem and a remedy","venue":"gr-qc","work_id":"6f999cea-9261-47db-afe6-208d5271a457","year":2018},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":13,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.297661Z"},"links":{"cited_paper":"/paper/1807.02769","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:4089154bab5b8626e80de1f31656b516093deb6632c1dedbf73c8dc0ddb00195","observation_id":"c2252fd9-9863-4fc2-b646-c15e1bec53e4","resolution":{"observed_at":"2026-08-14T13:18:24.874745Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.644002Z","title":null,"venue":null,"work_id":"ef6088c9-cef8-4b55-bed6-c409d5e4a437","year":1985},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":14,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.311967Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:25790306175a94d7f4de80b691a20c79d06fa7b823b02a32010166ea43924317","observation_id":"2267a868-9b06-410d-871d-473882f14d4c","resolution":{"observed_at":"2026-08-14T13:18:25.758312Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.546082Z","title":null,"venue":null,"work_id":"053401c6-96f2-4adb-9dbb-21dc86e49f33","year":1987},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":15,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.317985Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:b50798ee025d4412051d08fe4e85f7f38199821c95561ba44adb9921adef340a","observation_id":"48094f62-e43c-496f-bd8d-cde3c97e25ec","resolution":{"observed_at":"2026-08-14T13:18:25.551080Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.530423Z","title":null,"venue":null,"work_id":"bc2e7b0a-c0d3-4bcb-bc0d-3f0cc9e22d96","year":1987},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":16,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.322757Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:db1b66f96889358eaf61b10027f17675582a417d2d43b470a201b4617978f07f","observation_id":"6e427d51-7474-46e2-887c-849d8fa6eab9","resolution":{"observed_at":"2026-08-14T13:18:25.534747Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.513051Z","title":null,"venue":null,"work_id":"56f0b068-1e44-43ff-9012-379a26c8811e","year":1996},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.359176Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:34e0f73fd273a731215acddb95b4fba9465928c7c034596d7adc75aea2e9b907","observation_id":"9f2473a5-63c6-44dd-afa4-bd29f77712f9","resolution":{"observed_at":"2026-08-14T13:18:25.518593Z","resolver_source":"raw_fallback","status":"unresolved"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"hep-th/9204030","last_updated":"1992-05-21T08:07:16Z","snapshot_observed_at":"2026-08-03T15:56:10.317375Z","submitted_at":"1992-04-13T09:35:52Z","title":"Moduli Corrections to Gauge and Gravitational Couplings in four dimensional Superstrings","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"hep-th/9204030","snapshot_observed_at":"2026-08-14T13:18:24.409406Z","title":"Antoniadis, E","venue":null,"work_id":null,"year":1992},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":18,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.409406Z"},"links":{"cited_paper":"/paper/hep-th/9204030","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:f92f72998db147bda870f2435f22b5c9b7f37f03b292574a9d2503e7c223c58e","observation_id":"d1ba9a8e-5894-4ac7-a09d-5a4d225cb060","resolution":{"observed_at":"2026-08-14T13:18:24.409406Z","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":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.497746Z","title":"Antoniadis, J","venue":null,"work_id":"ece7752d-47e2-4920-8315-6bea7a7af2e2","year":1994},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":19,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.433171Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:ceb32013ca014862b347b0c3527fb6d04774f758ef90af0c8958849f63ab9145","observation_id":"94e80db9-12ce-4c63-a152-5cb68c96c0a8","resolution":{"observed_at":"2026-08-14T13:18:25.502698Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.370869Z","title":"Deser, String-Generated Gravity Mode ls, Phys","venue":null,"work_id":"b00646fd-3803-4d78-af01-1b37696bd1ae","year":1985},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.441656Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:d7764de0952a5be8a0fed2fe9be720a697caa2afc16bfe9bd0a003663ec8fa90","observation_id":"facd8ee0-f65e-415a-baff-a8151c42bae5","resolution":{"observed_at":"2026-08-14T13:18:25.471062Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.260651Z","title":"Nojiri and S","venue":null,"work_id":"e0ae6791-37cb-4f1e-b195-7906fd2506ce","year":2005},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.446975Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:8af830b5ad1da18d4763d05a64883eccf7d121b405ed35ffa99a73cefa96da4d","observation_id":"d16216d4-87c7-43bf-bdc2-6eccf7b6b490","resolution":{"observed_at":"2026-08-14T13:18:25.265864Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1408.3856","last_updated":"2014-11-24T08:54:07Z","snapshot_observed_at":"2026-08-14T23:22:54.245962Z","submitted_at":"2014-08-17T20:19:08Z","title":"Extreme neutron stars from Extended Theories of Gravity","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1408.3856","snapshot_observed_at":"2026-08-14T13:18:24.452622Z","title":null,"venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":22,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.452622Z"},"links":{"cited_paper":"/paper/1408.3856","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:fb21c1bee6af91d79828f0047380986776b2eccf1d616eb7953b0c7396cc2024","observation_id":"ca860b1e-a76b-440b-a720-56b853ee8078","resolution":{"observed_at":"2026-08-14T13:18:24.452622Z","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":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.237281Z","title":"Abbas, D","venue":null,"work_id":"edb29e72-065a-4ba7-a2d9-77aeb4901a43","year":2015},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":23,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.457652Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:9af2a2f4602ae13ce7509197b04520bc077d95401242b4dcb851079dc80cc4a3","observation_id":"d2870666-52f6-4c8c-8870-c692742e1a90","resolution":{"observed_at":"2026-08-14T13:18:25.242475Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":null,"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":"raw_reference","pith_arxiv_id":null,"snapshot_observed_at":"2026-08-14T13:18:25.146303Z","title":"Nojiri, S","venue":null,"work_id":"80162520-9896-4d2d-bd8e-2a3cdddf5b80","year":2008},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":24,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.489737Z"},"links":{"citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:932c02efa27f6b36e4a5dc0c7fe9757078a26e250118fb9e191ffd2ce1ca1185","observation_id":"7a4fd8b4-ae17-486f-949f-ede828635ca6","resolution":{"observed_at":"2026-08-14T13:18:25.222375Z","resolver_source":"raw_fallback","status":"verified_fuzzy"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"0911.4390","last_updated":"2010-03-15T14:09:24Z","snapshot_observed_at":"2026-08-15T05:33:15.965038Z","submitted_at":"2009-11-23T13:13:03Z","title":"Finite-time future singularities in modified Gauss-Bonnet and $\\mathcal{F}(R,G)$ gravity and singularity avoidance","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"0911.4390","snapshot_observed_at":"2026-08-14T13:18:24.557919Z","title":"Bamba, S","venue":null,"work_id":null,"year":2010},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":25,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.557919Z"},"links":{"cited_paper":"/paper/0911.4390","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:e156235214573082c70b456f3c25b81c3fb2682b9faed72ca8573e98d987a7f4","observation_id":"403d16b8-e290-456d-8440-698785f47a3c","resolution":{"observed_at":"2026-08-14T13:18:24.557919Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1304.5440","last_updated":"2013-10-09T14:39:53Z","snapshot_observed_at":"2026-08-15T00:20:38.271490Z","submitted_at":"2013-04-19T15:02:49Z","title":"Higher-Order Gauss-Bonnet Cosmology","version":3},"cited_work":{"arxiv_id":"1304.5440","doi":null,"metadata_source":"pith","pith_arxiv_id":"1304.5440","snapshot_observed_at":"2026-08-14T13:18:24.625725Z","title":"Higher-Order Gauss-Bonnet Cosmology","venue":"gr-qc","work_id":"281f8b9b-d4bd-4d10-9732-50e8d5f9063f","year":2013},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.563480Z"},"links":{"cited_paper":"/paper/1304.5440","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:b927fc2fcff47419fb6c1524bec6e753e76e6f9f35e8ef265e343a9b2f8dcf2e","observation_id":"69ac7069-c78d-45f2-a642-2671bfeb777d","resolution":{"observed_at":"2026-08-14T13:18:24.689779Z","resolver_source":"local_arxiv","status":"verified_exact"},"standing_notice":{"events":[],"observation":"No event found in the named queried sources as of 2026-08-16T06:30:59.297886+00:00.","reason":null,"source_receipts":[{"observed_at":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"state":"measured"}},{"citation":{"cited_paper":{"arxiv_id":"1503.04659","last_updated":"2015-04-03T09:13:08Z","snapshot_observed_at":"2026-08-14T22:56:37.854368Z","submitted_at":"2015-03-12T10:03:09Z","title":"Cosmological inflation in $F(R,\\mathcal{G})$ gravity","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1503.04659","snapshot_observed_at":"2026-08-14T13:18:24.568893Z","title":"De Laurentis, M","venue":null,"work_id":null,"year":2015},"citing_paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity","version":1},"reference_index":27,"source":"pdf_text","source_observed_at":"2026-08-14T13:18:24.568893Z"},"links":{"cited_paper":"/paper/1503.04659","citing_paper":"/paper/1908.05680"},"observation_digest":"sha256:25fb76649ac39a5001ec0964e9e6bddf7c6d580ce199498274dc8ede6ab9ba3d","observation_id":"18e00419-816b-4ddb-a5c0-be13abd910a6","resolution":{"observed_at":"2026-08-14T13:18:24.568893Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}}],"paper":{"arxiv_id":"1908.05680","last_updated":"2019-08-15T15:11:23Z","latest_version":1,"primary_category":"gr-qc","snapshot_observed_at":"2026-08-16T18:50:58.278734Z","submitted_at":"2019-08-15T15:11:23Z","title":"The role of cosmological constant in f(R, G) gravity"},"reference_resolution":{"displayed":27,"state_counts":{"malformed_identifier":0,"metadata_mismatch":0,"parse_uncertain":0,"unresolved":12,"verified_exact":6,"verified_fuzzy":9},"total_outbound_references":27},"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":"2026-08-16T06:30:59.297886+00:00","source":"crossref"},{"observed_at":"2026-08-16T06:30:54.164669+00:00","source":"retraction_watch"}],"thesis":"As of 17 August 2026, this Paper Citation Record lists 27 of 27 outbound references and 0 inbound Pith citation observations for arXiv:1908.05680."}