{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2011:GVPNCXB5ICDSBPECTQ77CIHOQC","short_pith_number":"pith:GVPNCXB5","schema_version":"1.0","canonical_sha256":"355ed15c3d408720bc829c3ff120ee808a3378a8ed3e4a7aecc1e9d861801b5e","source":{"kind":"arxiv","id":"1105.2555","version":2},"attestation_state":"computed","paper":{"title":"Propagation of gravitational waves in multimetric gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Manuel Hohmann","submitted_at":"2011-05-12T19:44:03Z","abstract_excerpt":"We discuss the propagation of gravitational waves in a recently discussed class of theories containing N >= 2 metric tensors and a corresponding number of standard model copies. Using the formalism of gauge-invariant linear perturbation theory we show that all gravitational waves propagate at the speed of light. We then employ the Newman-Penrose formalism to show that two to six polarizations of gravitational waves may exist, depending on the parameters entering the equations of motion. This corresponds to E(2) representations N_2, N_3, III_5 and II_6. We finally apply our general discussion t"},"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":"1105.2555","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2011-05-12T19:44:03Z","cross_cats_sorted":[],"title_canon_sha256":"4b64dc39537c6f262c7bbafe1d3f3b7f5a50074bf55b06cc71de0d2a805a1e61","abstract_canon_sha256":"9e3bbf9e65640233135ec264fdb25a57e78cd7fff13d59b42290040c4c0aeeab"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:57:25.215894Z","signature_b64":"KzxRZpK5WWjiMdRVc7YXIHHmwPy1LHgvT/+WQybixsmzF/qvn92Bq76j2O1zqTYcxvKgg9amOsLr7U0Q00/2BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"355ed15c3d408720bc829c3ff120ee808a3378a8ed3e4a7aecc1e9d861801b5e","last_reissued_at":"2026-05-18T03:57:25.215158Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:57:25.215158Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Propagation of gravitational waves in multimetric gravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Manuel Hohmann","submitted_at":"2011-05-12T19:44:03Z","abstract_excerpt":"We discuss the propagation of gravitational waves in a recently discussed class of theories containing N >= 2 metric tensors and a corresponding number of standard model copies. Using the formalism of gauge-invariant linear perturbation theory we show that all gravitational waves propagate at the speed of light. We then employ the Newman-Penrose formalism to show that two to six polarizations of gravitational waves may exist, depending on the parameters entering the equations of motion. This corresponds to E(2) representations N_2, N_3, III_5 and II_6. We finally apply our general discussion t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.2555","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"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":"1105.2555","created_at":"2026-05-18T03:57:25.215264+00:00"},{"alias_kind":"arxiv_version","alias_value":"1105.2555v2","created_at":"2026-05-18T03:57:25.215264+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.2555","created_at":"2026-05-18T03:57:25.215264+00:00"},{"alias_kind":"pith_short_12","alias_value":"GVPNCXB5ICDS","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_16","alias_value":"GVPNCXB5ICDSBPEC","created_at":"2026-05-18T12:26:30.835961+00:00"},{"alias_kind":"pith_short_8","alias_value":"GVPNCXB5","created_at":"2026-05-18T12:26:30.835961+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/GVPNCXB5ICDSBPECTQ77CIHOQC","json":"https://pith.science/pith/GVPNCXB5ICDSBPECTQ77CIHOQC.json","graph_json":"https://pith.science/api/pith-number/GVPNCXB5ICDSBPECTQ77CIHOQC/graph.json","events_json":"https://pith.science/api/pith-number/GVPNCXB5ICDSBPECTQ77CIHOQC/events.json","paper":"https://pith.science/paper/GVPNCXB5"},"agent_actions":{"view_html":"https://pith.science/pith/GVPNCXB5ICDSBPECTQ77CIHOQC","download_json":"https://pith.science/pith/GVPNCXB5ICDSBPECTQ77CIHOQC.json","view_paper":"https://pith.science/paper/GVPNCXB5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1105.2555&json=true","fetch_graph":"https://pith.science/api/pith-number/GVPNCXB5ICDSBPECTQ77CIHOQC/graph.json","fetch_events":"https://pith.science/api/pith-number/GVPNCXB5ICDSBPECTQ77CIHOQC/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/GVPNCXB5ICDSBPECTQ77CIHOQC/action/timestamp_anchor","attest_storage":"https://pith.science/pith/GVPNCXB5ICDSBPECTQ77CIHOQC/action/storage_attestation","attest_author":"https://pith.science/pith/GVPNCXB5ICDSBPECTQ77CIHOQC/action/author_attestation","sign_citation":"https://pith.science/pith/GVPNCXB5ICDSBPECTQ77CIHOQC/action/citation_signature","submit_replication":"https://pith.science/pith/GVPNCXB5ICDSBPECTQ77CIHOQC/action/replication_record"}},"created_at":"2026-05-18T03:57:25.215264+00:00","updated_at":"2026-05-18T03:57:25.215264+00:00"}