{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2022:UFQ77PZOJAX4X7QVATXCKZ2VKC","short_pith_number":"pith:UFQ77PZO","schema_version":"1.0","canonical_sha256":"a161ffbf2e482fcbfe1504ee256755509f12eb93cdb385c36fb1f52d1874eae6","source":{"kind":"arxiv","id":"2201.11634","version":1},"attestation_state":"computed","paper":{"title":"Gravitational Waves in Full, Non-Linear General Relativity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"David Maibach, Fabio D'Ambrosio, Jann Zosso, Lavinia Heisenberg, Shaun D. B. Fell, Stefan Zentarra","submitted_at":"2022-01-27T16:50:45Z","abstract_excerpt":"These notes provide a student-friendly introduction to the theory of gravitational waves in full, non-linear general relativity (GR). We aim for a balance between physical intuition and mathematical rigor and cover topics such as the Newman-Penrose formalism, electromagnetic waves, asymptotically Minkowski spacetimes, the peeling theorem, the universal structure of null infinity, the Bondi-Metzner-Sachs group, and the definition of radiative modes in linear as well as in non-linear GR. Many exercises and some explicitly calculated examples complement the abstract theory and are designed to hel"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2201.11634","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"gr-qc","submitted_at":"2022-01-27T16:50:45Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"6cf0d34cf9bdbdacd0d8b9126eb2472670d88a90d93242ae973d53e3df44afdc","abstract_canon_sha256":"f4c03070f7e90e479e4a40bf1e43060aa89c34b270bc2e723308eb8c2672826a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:52:04.029264Z","signature_b64":"FZSzKgwBe5LAOJoRQzm/lhd30SU7tyMSB1kBLkyoRIbWlPuuhg4hd4NhClnGHMPtM9XwFuSgkH5cD7Ts4X/PDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a161ffbf2e482fcbfe1504ee256755509f12eb93cdb385c36fb1f52d1874eae6","last_reissued_at":"2026-07-05T03:52:04.028824Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:52:04.028824Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Gravitational Waves in Full, Non-Linear General Relativity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"David Maibach, Fabio D'Ambrosio, Jann Zosso, Lavinia Heisenberg, Shaun D. B. Fell, Stefan Zentarra","submitted_at":"2022-01-27T16:50:45Z","abstract_excerpt":"These notes provide a student-friendly introduction to the theory of gravitational waves in full, non-linear general relativity (GR). We aim for a balance between physical intuition and mathematical rigor and cover topics such as the Newman-Penrose formalism, electromagnetic waves, asymptotically Minkowski spacetimes, the peeling theorem, the universal structure of null infinity, the Bondi-Metzner-Sachs group, and the definition of radiative modes in linear as well as in non-linear GR. Many exercises and some explicitly calculated examples complement the abstract theory and are designed to hel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2201.11634","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2201.11634/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2201.11634","created_at":"2026-07-05T03:52:04.028882+00:00"},{"alias_kind":"arxiv_version","alias_value":"2201.11634v1","created_at":"2026-07-05T03:52:04.028882+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2201.11634","created_at":"2026-07-05T03:52:04.028882+00:00"},{"alias_kind":"pith_short_12","alias_value":"UFQ77PZOJAX4","created_at":"2026-07-05T03:52:04.028882+00:00"},{"alias_kind":"pith_short_16","alias_value":"UFQ77PZOJAX4X7QV","created_at":"2026-07-05T03:52:04.028882+00:00"},{"alias_kind":"pith_short_8","alias_value":"UFQ77PZO","created_at":"2026-07-05T03:52:04.028882+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2601.23019","citing_title":"Toward claiming a detection of gravitational memory","ref_index":37,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/UFQ77PZOJAX4X7QVATXCKZ2VKC","json":"https://pith.science/pith/UFQ77PZOJAX4X7QVATXCKZ2VKC.json","graph_json":"https://pith.science/api/pith-number/UFQ77PZOJAX4X7QVATXCKZ2VKC/graph.json","events_json":"https://pith.science/api/pith-number/UFQ77PZOJAX4X7QVATXCKZ2VKC/events.json","paper":"https://pith.science/paper/UFQ77PZO"},"agent_actions":{"view_html":"https://pith.science/pith/UFQ77PZOJAX4X7QVATXCKZ2VKC","download_json":"https://pith.science/pith/UFQ77PZOJAX4X7QVATXCKZ2VKC.json","view_paper":"https://pith.science/paper/UFQ77PZO","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2201.11634&json=true","fetch_graph":"https://pith.science/api/pith-number/UFQ77PZOJAX4X7QVATXCKZ2VKC/graph.json","fetch_events":"https://pith.science/api/pith-number/UFQ77PZOJAX4X7QVATXCKZ2VKC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/UFQ77PZOJAX4X7QVATXCKZ2VKC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/UFQ77PZOJAX4X7QVATXCKZ2VKC/action/storage_attestation","attest_author":"https://pith.science/pith/UFQ77PZOJAX4X7QVATXCKZ2VKC/action/author_attestation","sign_citation":"https://pith.science/pith/UFQ77PZOJAX4X7QVATXCKZ2VKC/action/citation_signature","submit_replication":"https://pith.science/pith/UFQ77PZOJAX4X7QVATXCKZ2VKC/action/replication_record"}},"created_at":"2026-07-05T03:52:04.028882+00:00","updated_at":"2026-07-05T03:52:04.028882+00:00"}