{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2000:ZWMVPQE4HLSIBCD3CIQAZYJORY","short_pith_number":"pith:ZWMVPQE4","schema_version":"1.0","canonical_sha256":"cd9957c09c3ae480887b12200ce12e8e21a504be85ebdabab59745670e51223f","source":{"kind":"arxiv","id":"gr-qc/0005049","version":1},"attestation_state":"computed","paper":{"title":"Light propagation in non linear electrodynamics","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"J. M. Salim, M. Novello, R. Klippert, V. A. De Lorenci","submitted_at":"2000-05-13T19:43:17Z","abstract_excerpt":"Working on the approximation of low frequency, we present the light cone conditions for a class of theories constructed with the two gauge invariants of the Maxwell field without making use of average over polarization states. Different polarization states are thus identified describing birefringence phenomena. We make an application of the formalism to the case of Euler-Heisenberg effective Lagrangian and well know results are obtained."},"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":"gr-qc/0005049","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2000-05-13T19:43:17Z","cross_cats_sorted":[],"title_canon_sha256":"85392c36fd4d531e0de1b96eeed56602954cce6272a524655b11a7c065e5071d","abstract_canon_sha256":"5af13bba15c0b7fa553649353acc37283f2e4c914dabc3f548b2f388702dad54"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:19:38.682976Z","signature_b64":"KIscPtDszDDaQqAyRu4wJOB58P676b8bzfsbcYmBLZrEj1cmy/AJzBK4bU92oL1XcDqjUo0FDlXgCoGXYZW5Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cd9957c09c3ae480887b12200ce12e8e21a504be85ebdabab59745670e51223f","last_reissued_at":"2026-07-04T16:19:38.682576Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:19:38.682576Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Light propagation in non linear electrodynamics","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"J. M. Salim, M. Novello, R. Klippert, V. A. De Lorenci","submitted_at":"2000-05-13T19:43:17Z","abstract_excerpt":"Working on the approximation of low frequency, we present the light cone conditions for a class of theories constructed with the two gauge invariants of the Maxwell field without making use of average over polarization states. Different polarization states are thus identified describing birefringence phenomena. We make an application of the formalism to the case of Euler-Heisenberg effective Lagrangian and well know results are obtained."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0005049","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/gr-qc/0005049/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":"gr-qc/0005049","created_at":"2026-07-04T16:19:38.682638+00:00"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0005049v1","created_at":"2026-07-04T16:19:38.682638+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0005049","created_at":"2026-07-04T16:19:38.682638+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZWMVPQE4HLSI","created_at":"2026-07-04T16:19:38.682638+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZWMVPQE4HLSIBCD3","created_at":"2026-07-04T16:19:38.682638+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZWMVPQE4","created_at":"2026-07-04T16:19:38.682638+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":5,"internal_anchor_count":3,"sample":[{"citing_arxiv_id":"2606.19773","citing_title":"Polarization-Dependent Photon Propagation, Quasinormal Modes, and Gravitational Lensing in Higher-Curvature Effective Theories","ref_index":35,"is_internal_anchor":true},{"citing_arxiv_id":"2605.17048","citing_title":"Nonlinear electrodynamics in magnetars: systematic effects on radius constraints and timing analysis","ref_index":94,"is_internal_anchor":true},{"citing_arxiv_id":"2604.14011","citing_title":"Properties of black holes in non-linear electrodynamics","ref_index":28,"is_internal_anchor":true},{"citing_arxiv_id":"2604.19235","citing_title":"Propagation-based classification of linear magnetoelectric response in dielectrics","ref_index":18,"is_internal_anchor":false},{"citing_arxiv_id":"2604.14011","citing_title":"Properties of black holes in non-linear electrodynamics","ref_index":28,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/ZWMVPQE4HLSIBCD3CIQAZYJORY","json":"https://pith.science/pith/ZWMVPQE4HLSIBCD3CIQAZYJORY.json","graph_json":"https://pith.science/api/pith-number/ZWMVPQE4HLSIBCD3CIQAZYJORY/graph.json","events_json":"https://pith.science/api/pith-number/ZWMVPQE4HLSIBCD3CIQAZYJORY/events.json","paper":"https://pith.science/paper/ZWMVPQE4"},"agent_actions":{"view_html":"https://pith.science/pith/ZWMVPQE4HLSIBCD3CIQAZYJORY","download_json":"https://pith.science/pith/ZWMVPQE4HLSIBCD3CIQAZYJORY.json","view_paper":"https://pith.science/paper/ZWMVPQE4","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=gr-qc/0005049&json=true","fetch_graph":"https://pith.science/api/pith-number/ZWMVPQE4HLSIBCD3CIQAZYJORY/graph.json","fetch_events":"https://pith.science/api/pith-number/ZWMVPQE4HLSIBCD3CIQAZYJORY/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZWMVPQE4HLSIBCD3CIQAZYJORY/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZWMVPQE4HLSIBCD3CIQAZYJORY/action/storage_attestation","attest_author":"https://pith.science/pith/ZWMVPQE4HLSIBCD3CIQAZYJORY/action/author_attestation","sign_citation":"https://pith.science/pith/ZWMVPQE4HLSIBCD3CIQAZYJORY/action/citation_signature","submit_replication":"https://pith.science/pith/ZWMVPQE4HLSIBCD3CIQAZYJORY/action/replication_record"}},"created_at":"2026-07-04T16:19:38.682638+00:00","updated_at":"2026-07-04T16:19:38.682638+00:00"}