{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:MM2DI6GLE2BDUXOEY52ZCJYUZ3","short_pith_number":"pith:MM2DI6GL","schema_version":"1.0","canonical_sha256":"63343478cb26823a5dc4c775912714cecdea22adad8ba7918e543295cc223479","source":{"kind":"arxiv","id":"1905.08661","version":7},"attestation_state":"computed","paper":{"title":"Scaling and conformal symmetries for plane gravitational waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"M. Cariglia, M. Elbistan, P. A. Horvathy, P.-M. Zhang","submitted_at":"2019-05-21T14:16:59Z","abstract_excerpt":"The isometries of an exact plane gravitational wave are symmetries for both massive and massless particles. Their conformal extensions are in fact chrono-projective transformations introduced earlier by Duval et al are symmetries for massless particles. Homotheties are universal chrono-projective symmetries for any profile. Chrono-projective transformations also generate new conserved quantities for the underlying non-relativistic systems in the Bargmann framework. Homotheties play a similar role for the lightlike \"vertical\" coordinate as isometries play for the transverse coordinates."},"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":"1905.08661","kind":"arxiv","version":7},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2019-05-21T14:16:59Z","cross_cats_sorted":["hep-th","math-ph","math.MP"],"title_canon_sha256":"51c1efd5a780b17f19875331cfda90ad2427baf4093000df3294e51256da3b8c","abstract_canon_sha256":"30e1cfcb48179186e0b7614896af602e83d166827a05a849d2ddf43fb21a3e7a"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:08:53.092852Z","signature_b64":"IjggAJkDSkH7LLpPhXyjBNkFP1a24oyw2M0Cp5FplXLny3/MYzI/Sb46gRyGfF4/O6ZcPtwmOgQoL/fiIS/sAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"63343478cb26823a5dc4c775912714cecdea22adad8ba7918e543295cc223479","last_reissued_at":"2026-07-05T11:08:53.092439Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:08:53.092439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Scaling and conformal symmetries for plane gravitational waves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","math-ph","math.MP"],"primary_cat":"gr-qc","authors_text":"M. Cariglia, M. Elbistan, P. A. Horvathy, P.-M. Zhang","submitted_at":"2019-05-21T14:16:59Z","abstract_excerpt":"The isometries of an exact plane gravitational wave are symmetries for both massive and massless particles. Their conformal extensions are in fact chrono-projective transformations introduced earlier by Duval et al are symmetries for massless particles. Homotheties are universal chrono-projective symmetries for any profile. Chrono-projective transformations also generate new conserved quantities for the underlying non-relativistic systems in the Bargmann framework. Homotheties play a similar role for the lightlike \"vertical\" coordinate as isometries play for the transverse coordinates."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.08661","kind":"arxiv","version":7},"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/1905.08661/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":"1905.08661","created_at":"2026-07-05T11:08:53.092496+00:00"},{"alias_kind":"arxiv_version","alias_value":"1905.08661v7","created_at":"2026-07-05T11:08:53.092496+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.08661","created_at":"2026-07-05T11:08:53.092496+00:00"},{"alias_kind":"pith_short_12","alias_value":"MM2DI6GLE2BD","created_at":"2026-07-05T11:08:53.092496+00:00"},{"alias_kind":"pith_short_16","alias_value":"MM2DI6GLE2BDUXOE","created_at":"2026-07-05T11:08:53.092496+00:00"},{"alias_kind":"pith_short_8","alias_value":"MM2DI6GL","created_at":"2026-07-05T11:08:53.092496+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2501.11503","citing_title":"Elliptically Polarized Plane Gravitational Waves","ref_index":27,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/MM2DI6GLE2BDUXOEY52ZCJYUZ3","json":"https://pith.science/pith/MM2DI6GLE2BDUXOEY52ZCJYUZ3.json","graph_json":"https://pith.science/api/pith-number/MM2DI6GLE2BDUXOEY52ZCJYUZ3/graph.json","events_json":"https://pith.science/api/pith-number/MM2DI6GLE2BDUXOEY52ZCJYUZ3/events.json","paper":"https://pith.science/paper/MM2DI6GL"},"agent_actions":{"view_html":"https://pith.science/pith/MM2DI6GLE2BDUXOEY52ZCJYUZ3","download_json":"https://pith.science/pith/MM2DI6GLE2BDUXOEY52ZCJYUZ3.json","view_paper":"https://pith.science/paper/MM2DI6GL","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1905.08661&json=true","fetch_graph":"https://pith.science/api/pith-number/MM2DI6GLE2BDUXOEY52ZCJYUZ3/graph.json","fetch_events":"https://pith.science/api/pith-number/MM2DI6GLE2BDUXOEY52ZCJYUZ3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/MM2DI6GLE2BDUXOEY52ZCJYUZ3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/MM2DI6GLE2BDUXOEY52ZCJYUZ3/action/storage_attestation","attest_author":"https://pith.science/pith/MM2DI6GLE2BDUXOEY52ZCJYUZ3/action/author_attestation","sign_citation":"https://pith.science/pith/MM2DI6GLE2BDUXOEY52ZCJYUZ3/action/citation_signature","submit_replication":"https://pith.science/pith/MM2DI6GLE2BDUXOEY52ZCJYUZ3/action/replication_record"}},"created_at":"2026-07-05T11:08:53.092496+00:00","updated_at":"2026-07-05T11:08:53.092496+00:00"}