{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:GHGE4SCMF2PTUJH5VAYNUHL2ZY","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":"4982588309584ce069704a00ebde3373e19afa366edfadb3481c223b5e15ef30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2017-01-12T09:33:54Z","title_canon_sha256":"b7ac4a29a379bd33acb6eb0313bc42071e45f1c1e62d85e6ac76694e59121849"},"schema_version":"1.0","source":{"id":"1701.03275","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.03275","created_at":"2026-05-18T00:08:11Z"},{"alias_kind":"arxiv_version","alias_value":"1701.03275v1","created_at":"2026-05-18T00:08:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.03275","created_at":"2026-05-18T00:08:11Z"},{"alias_kind":"pith_short_12","alias_value":"GHGE4SCMF2PT","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GHGE4SCMF2PTUJH5","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GHGE4SCM","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:e4d7b79a59bf7bd48ba1908eb88bfa222f6cf82a633fe4337b7240723dc93af0","target":"graph","created_at":"2026-05-18T00:08:11Z","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":"The accuracy of two equivalent antenna representations, near-field sources and far-field sources, are evaluated for an antenna installed on a simplified platform in a series of case studies using different configurations of equivalent antenna representations. The accuracy is evaluated in terms of installed far-fields and surface currents on the platform. The results show large variations between configurations. The root-mean-square installed far-field error is 4.4% for the most accurate equivalent representation. When using far-field sources, the design parameters have a large influence of the","authors_text":"B.L.G. Jonsson, Henrik Holter, Johan Malmstr\\\"om","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2017-01-12T09:33:54Z","title":"On the Accuracy of Equivalent Antenna Representations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.03275","kind":"arxiv","version":1},"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:e340df089cf7ecd589fceb9f8ac31ead75d691e27a77c504d177e3d3904a7a97","target":"record","created_at":"2026-05-18T00:08:11Z","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":"4982588309584ce069704a00ebde3373e19afa366edfadb3481c223b5e15ef30","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.class-ph","submitted_at":"2017-01-12T09:33:54Z","title_canon_sha256":"b7ac4a29a379bd33acb6eb0313bc42071e45f1c1e62d85e6ac76694e59121849"},"schema_version":"1.0","source":{"id":"1701.03275","kind":"arxiv","version":1}},"canonical_sha256":"31cc4e484c2e9f3a24fda830da1d7ace2d42039911ea11a63a68b7f7b64fb196","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"31cc4e484c2e9f3a24fda830da1d7ace2d42039911ea11a63a68b7f7b64fb196","first_computed_at":"2026-05-18T00:08:11.488090Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:11.488090Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nwokOV+77ZJnTfTqO3VG3qF2y46QfuzbN74lWfz5ZKI31/imajWykfkb8YICrEEeGo5yj9yv342P3nxJoGGrCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:11.488596Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.03275","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e340df089cf7ecd589fceb9f8ac31ead75d691e27a77c504d177e3d3904a7a97","sha256:e4d7b79a59bf7bd48ba1908eb88bfa222f6cf82a633fe4337b7240723dc93af0"],"state_sha256":"660551068df17cc9b16f0647134359f6336f6983d5d91e37a5cc4c898d4189b9"}