{"as_of":"2026-08-12T11:52:00Z","caps":{"database_statements":6,"inbound":100,"outbound":100},"context_digest":"sha256:e464ac2e9613ed1e151e89e805e92efb660f5708533ff71a01b8fb2c97d577f7","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":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":"2026-08-12T06:34:41.77262+00:00","state":"measured"},{"denominator":5,"lane":"inbound_itemization","note":"Pith citing papers itemized under the disclosed page cap.","records_observed":5,"source":"paper_references, paper_reference_links","source_observed_at":"2026-08-12T00:12:36.304916Z","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":"2026-06-29T15:33:33.003930Z","state":"measured"}],"external_citation_measurements":[],"inbound":[{"citation":{"cited_paper":{"arxiv_id":"1912.13449","last_updated":"2020-05-19T12:07:10Z","snapshot_observed_at":"2026-08-11T02:59:24.938023Z","submitted_at":"2019-12-31T17:43:23Z","title":"Persistent gravitational wave observables: Nonlinear plane wave spacetimes","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.13449","snapshot_observed_at":"2026-08-12T00:12:36.304916Z","title":null,"venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2412.01910","last_updated":"2025-06-16T12:52:37Z","snapshot_observed_at":"2026-08-12T00:00:02.757502Z","submitted_at":"2024-12-02T19:02:18Z","title":"Gravitational memory and soft theorems: The local perspective","version":2},"reference_index":17,"source":"pdf_text","source_observed_at":"2026-08-12T00:12:36.304916Z"},"links":{"cited_paper":"/paper/1912.13449","citing_paper":"/paper/2412.01910"},"observation_digest":"sha256:9a33c125a24d62dc4a9ae9cf0f1768ea8687818833b879a7a941580b0595e317","observation_id":"18f792fc-422c-42a2-b67f-af67e477ef86","resolution":{"observed_at":"2026-08-12T00:12:36.304916Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.13449","last_updated":"2020-05-19T12:07:10Z","snapshot_observed_at":"2026-08-11T02:59:24.938023Z","submitted_at":"2019-12-31T17:43:23Z","title":"Persistent gravitational wave observables: Nonlinear plane wave spacetimes","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.13449","snapshot_observed_at":"2026-08-11T14:27:16.694770Z","title":"Flanagan, A.M","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2412.12273","last_updated":"2025-03-29T15:28:03Z","snapshot_observed_at":"2026-08-11T20:28:03.132181Z","submitted_at":"2024-12-16T19:00:11Z","title":"Gravitational memory and Ward identities in the local detector frame","version":2},"reference_index":20,"source":"pdf_text","source_observed_at":"2026-08-11T14:27:16.694770Z"},"links":{"cited_paper":"/paper/1912.13449","citing_paper":"/paper/2412.12273"},"observation_digest":"sha256:49a2f2f28fb305d4bedd686b783cc77fea98176eb82e13829713da47abc8d79c","observation_id":"914ff318-a150-441c-9d51-2661ac5d0e6f","resolution":{"observed_at":"2026-08-11T14:27:16.694770Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.13449","last_updated":"2020-05-19T12:07:10Z","snapshot_observed_at":"2026-08-11T02:59:24.938023Z","submitted_at":"2019-12-31T17:43:23Z","title":"Persistent gravitational wave observables: Nonlinear plane wave spacetimes","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.13449","snapshot_observed_at":"2026-08-10T18:19:18.397132Z","title":"Persistent gravitational wave observables: Nonlinear plane wave spacetimes","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2501.11503","last_updated":"2025-05-13T07:01:02Z","snapshot_observed_at":"2026-08-11T08:19:27.118658Z","submitted_at":"2025-01-20T14:24:49Z","title":"Elliptically Polarized Plane Gravitational Waves","version":4},"reference_index":29,"source":"pdf_text","source_observed_at":"2026-08-10T18:19:18.397132Z"},"links":{"cited_paper":"/paper/1912.13449","citing_paper":"/paper/2501.11503"},"observation_digest":"sha256:589479c5e7794658c1e7a6738126eb665aef2646e60e65791aad77b6b99c167c","observation_id":"631a288b-219c-454e-8122-0627ed82fc6d","resolution":{"observed_at":"2026-08-10T18:19:18.397132Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.13449","last_updated":"2020-05-19T12:07:10Z","snapshot_observed_at":"2026-08-11T02:59:24.938023Z","submitted_at":"2019-12-31T17:43:23Z","title":"Persistent gravitational wave observables: Nonlinear plane wave spacetimes","version":2},"cited_work":{"arxiv_id":null,"doi":null,"metadata_source":null,"pith_arxiv_id":"1912.13449","snapshot_observed_at":"2026-08-03T21:54:40.552773Z","title":"Persistent gravitational wave observables: Nonlinear plane wave spacetimes","venue":null,"work_id":null,"year":2020},"citing_paper":{"arxiv_id":"2511.13814","last_updated":"2026-05-23T11:48:51Z","snapshot_observed_at":"2026-08-06T11:50:39.725630Z","submitted_at":"2025-11-17T19:00:00Z","title":"Twisting asymptotically-flat spacetimes","version":2},"reference_index":26,"source":"pdf_text","source_observed_at":"2026-08-03T21:54:40.552773Z"},"links":{"cited_paper":"/paper/1912.13449","citing_paper":"/paper/2511.13814"},"observation_digest":"sha256:eee7e5b25c30078a70d7d5a336f63aeb2c84500d2b5ab9aafbd9aecea39a3ea1","observation_id":"e494feb7-b448-4af3-b933-f9fa1ac43e46","resolution":{"observed_at":"2026-08-03T21:54:40.552773Z","resolver_source":null,"status":"unresolved"},"standing_notice":{"events":[],"reason":"canonical_work_link_unavailable","source_receipts":[],"state":"unavailable"}},{"citation":{"cited_paper":{"arxiv_id":"1912.13449","last_updated":"2020-05-19T12:07:10Z","snapshot_observed_at":"2026-08-11T02:59:24.938023Z","submitted_at":"2019-12-31T17:43:23Z","title":"Persistent gravitational wave observables: Nonlinear plane wave spacetimes","version":2},"cited_work":{"arxiv_id":"1912.13449","doi":null,"metadata_source":"arxiv_reference","pith_arxiv_id":"1912.13449","snapshot_observed_at":"2026-06-29T15:33:33.003930Z","title":"Persistent gravitational wave observables: Nonlinear plane wave spacetimes,","venue":null,"work_id":"d40579d7-60ff-4696-a4a7-45d3f99957f3","year":2020},"citing_paper":{"arxiv_id":"2605.27500","last_updated":"2026-06-17T16:30:28Z","snapshot_observed_at":"2026-08-09T12:15:02.513555Z","submitted_at":"2026-05-26T18:00:00Z","title":"Constraining Gravitational Wave Memory with Hierarchical Inference","version":2},"reference_index":21,"source":"pdf_text","source_observed_at":"2026-06-29T15:32:12.380213Z"},"links":{"cited_paper":"/paper/1912.13449","citing_paper":"/paper/2605.27500"},"observation_digest":"sha256:c1f0909de1d82b81813e8b06eaec5747a504b5ccb50f4f7dca00b6f54dea931b","observation_id":"fd5bf543-d2b0-4160-a05f-b10ce22f9d45","resolution":{"observed_at":"2026-06-29T15:33:33.005573Z","resolver_source":"arxiv_id","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/1912.13449/citation-record","integrity":"/paper/1912.13449/integrity","json":"/paper/1912.13449/citation-record.json","paper":"/paper/1912.13449"},"outbound":[],"paper":{"arxiv_id":"1912.13449","last_updated":"2020-05-19T12:07:10Z","latest_version":2,"primary_category":"gr-qc","snapshot_observed_at":"2026-08-11T02:59:24.938023Z","submitted_at":"2019-12-31T17:43:23Z","title":"Persistent gravitational wave observables: Nonlinear plane wave spacetimes"},"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 5 inbound Pith citation observations for arXiv:1912.13449."}