{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:WBSUQBWT6L3GUJYP3RNB5VD7L5","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"65d36dc6b8e21c3b5e71d2c5d738aa9c56bc3be7b5accae0a2a75253f672490f","cross_cats_sorted":["math.NA","physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-04-05T19:27:13Z","title_canon_sha256":"8b596a552a3673e27d3e22fea5cdf26d936dcd4e8bc6e7697d8f55ce13549e97"},"schema_version":"1.0","source":{"id":"1804.02030","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.02030","created_at":"2026-05-18T00:04:02Z"},{"alias_kind":"arxiv_version","alias_value":"1804.02030v3","created_at":"2026-05-18T00:04:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.02030","created_at":"2026-05-18T00:04:02Z"},{"alias_kind":"pith_short_12","alias_value":"WBSUQBWT6L3G","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"WBSUQBWT6L3GUJYP","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"WBSUQBWT","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:e91fc0e3d7d16260d50b12fdab5eaa65e3da8749a32813776c57962ddca7b5f3","target":"graph","created_at":"2026-05-18T00:04:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present a finite-element time-domain (FETD) Maxwell solver for the analysis of body-of-revolution (BOR) geometries based on discrete exterior calculus (DEC) of differential forms and transformation optics (TO) concepts. We explore TO principles to map the original 3-D BOR problem to a 2-D one in the meridian plane based on a Cartesian coordinate system where the cylindrical metric is fully embedded into the constitutive properties of an effective inhomogeneous and anisotropic medium that fills the domain. The proposed solver uses a TE/TM field decomposition and an appropriate set of DEC-bas","authors_text":"Ben-Hur V. Borges, Dong-Yeop Na, Fernando L. Teixeira","cross_cats":["math.NA","physics.class-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-04-05T19:27:13Z","title":"Finite Element Time-Domain Body-of-Revolution Maxwell Solver based on Discrete Exterior Calculus"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.02030","kind":"arxiv","version":3},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:b6a00eaaf47de82842601839065baf45acbc1f2fd7cdc3ec8c39dc7495b6a87c","target":"record","created_at":"2026-05-18T00:04:02Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"65d36dc6b8e21c3b5e71d2c5d738aa9c56bc3be7b5accae0a2a75253f672490f","cross_cats_sorted":["math.NA","physics.class-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2018-04-05T19:27:13Z","title_canon_sha256":"8b596a552a3673e27d3e22fea5cdf26d936dcd4e8bc6e7697d8f55ce13549e97"},"schema_version":"1.0","source":{"id":"1804.02030","kind":"arxiv","version":3}},"canonical_sha256":"b0654806d3f2f66a270fdc5a1ed47f5f574ce28aebdd881afd42c8a4e3442946","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0654806d3f2f66a270fdc5a1ed47f5f574ce28aebdd881afd42c8a4e3442946","first_computed_at":"2026-05-18T00:04:02.627897Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:04:02.627897Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A1LKAgq8xkmqdtY3NE2VI4RR3/cEiKcQRKabEazLBWla0OoTH6riK30/si6YbVwkblfNmFkCkqZ98c33eQ0JCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:04:02.628542Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.02030","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b6a00eaaf47de82842601839065baf45acbc1f2fd7cdc3ec8c39dc7495b6a87c","sha256:e91fc0e3d7d16260d50b12fdab5eaa65e3da8749a32813776c57962ddca7b5f3"],"state_sha256":"d9287ca1b774e9bd5ebe4bc97ef5429ff2a44664cfa171c63e08fbb68b6d1340"}