{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:LYRMKQTYSWFMHQF4N4UXIJAEDR","short_pith_number":"pith:LYRMKQTY","canonical_record":{"source":{"id":"1704.00371","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-04-02T21:43:54Z","cross_cats_sorted":[],"title_canon_sha256":"f21daca1e05366b689819f97ecc3f2d05a84966bbd997f04bde1ea87a6af1519","abstract_canon_sha256":"65e8f1c0b9a13629d99ba6f5254e14cf8f6112cb86cb44e4551e0d2e0d478c61"},"schema_version":"1.0"},"canonical_sha256":"5e22c54278958ac3c0bc6f297424041c5ae11d94f1952dc2ca93c78bea596606","source":{"kind":"arxiv","id":"1704.00371","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00371","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00371v2","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00371","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"pith_short_12","alias_value":"LYRMKQTYSWFM","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LYRMKQTYSWFMHQF4","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LYRMKQTY","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:LYRMKQTYSWFMHQF4N4UXIJAEDR","target":"record","payload":{"canonical_record":{"source":{"id":"1704.00371","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-04-02T21:43:54Z","cross_cats_sorted":[],"title_canon_sha256":"f21daca1e05366b689819f97ecc3f2d05a84966bbd997f04bde1ea87a6af1519","abstract_canon_sha256":"65e8f1c0b9a13629d99ba6f5254e14cf8f6112cb86cb44e4551e0d2e0d478c61"},"schema_version":"1.0"},"canonical_sha256":"5e22c54278958ac3c0bc6f297424041c5ae11d94f1952dc2ca93c78bea596606","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:34.297327Z","signature_b64":"dTDBOmGpdqUibeFT9Cw1VdlwAWsXxpATNoqMIzQNQbSO6uC98a2aylUR1tm85pCfT6DxnPjiCvg7OCdCoFTLBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5e22c54278958ac3c0bc6f297424041c5ae11d94f1952dc2ca93c78bea596606","last_reissued_at":"2026-05-18T00:46:34.296636Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:34.296636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1704.00371","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:46:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GbDgeETyvQ0P2675HjCO9TTG0QsZj5NO8Gd0v4UCG3O4cQAVedmB37vC9+85960cQnWITI7PlgdcRhxRX/xoDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T07:07:52.223618Z"},"content_sha256":"46693e479b6c6c0eae8b206504feba7cbcf232b77d7056053517d564e981535c","schema_version":"1.0","event_id":"sha256:46693e479b6c6c0eae8b206504feba7cbcf232b77d7056053517d564e981535c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:LYRMKQTYSWFMHQF4N4UXIJAEDR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Graphene-based Antennas for Terahertz Systems: A Review","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"D. Correas-Serrano, J. S. Gomez-Diaz","submitted_at":"2017-04-02T21:43:54Z","abstract_excerpt":"We review the use of graphene to develop reconfigurable, miniaturized, and efficient terahertz (THz) antennas and associated feeding networks, and attempt to identify current research trends and mid- and long-term challenges and prospects. We first discuss the state of the art in resonant, leaky-wave and reflectarray antennas, providing a critical assessment of their performance, limitations, and main challenges that remain to be addressed. Next, we examine different integrated feeding networks, including components such as switches, filters, and phase shifters, and we clarify the impact that "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00371","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:46:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cn4i3cKhx5MLBcaAhG30+8vQLz+0lPG95UYLrMcTbC4KJ4c6u49d+cqIzTDbsfunhh8fwj5lP6yWD9lUN/RPCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T07:07:52.223966Z"},"content_sha256":"96414796d448f9aee7c6249db78925f263692291c1effc6f855ab477c44b4293","schema_version":"1.0","event_id":"sha256:96414796d448f9aee7c6249db78925f263692291c1effc6f855ab477c44b4293"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LYRMKQTYSWFMHQF4N4UXIJAEDR/bundle.json","state_url":"https://pith.science/pith/LYRMKQTYSWFMHQF4N4UXIJAEDR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LYRMKQTYSWFMHQF4N4UXIJAEDR/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-26T07:07:52Z","links":{"resolver":"https://pith.science/pith/LYRMKQTYSWFMHQF4N4UXIJAEDR","bundle":"https://pith.science/pith/LYRMKQTYSWFMHQF4N4UXIJAEDR/bundle.json","state":"https://pith.science/pith/LYRMKQTYSWFMHQF4N4UXIJAEDR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LYRMKQTYSWFMHQF4N4UXIJAEDR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:LYRMKQTYSWFMHQF4N4UXIJAEDR","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":"65e8f1c0b9a13629d99ba6f5254e14cf8f6112cb86cb44e4551e0d2e0d478c61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-04-02T21:43:54Z","title_canon_sha256":"f21daca1e05366b689819f97ecc3f2d05a84966bbd997f04bde1ea87a6af1519"},"schema_version":"1.0","source":{"id":"1704.00371","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1704.00371","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"arxiv_version","alias_value":"1704.00371v2","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00371","created_at":"2026-05-18T00:46:34Z"},{"alias_kind":"pith_short_12","alias_value":"LYRMKQTYSWFM","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"LYRMKQTYSWFMHQF4","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"LYRMKQTY","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:96414796d448f9aee7c6249db78925f263692291c1effc6f855ab477c44b4293","target":"graph","created_at":"2026-05-18T00:46:34Z","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 review the use of graphene to develop reconfigurable, miniaturized, and efficient terahertz (THz) antennas and associated feeding networks, and attempt to identify current research trends and mid- and long-term challenges and prospects. We first discuss the state of the art in resonant, leaky-wave and reflectarray antennas, providing a critical assessment of their performance, limitations, and main challenges that remain to be addressed. Next, we examine different integrated feeding networks, including components such as switches, filters, and phase shifters, and we clarify the impact that ","authors_text":"D. Correas-Serrano, J. S. Gomez-Diaz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-04-02T21:43:54Z","title":"Graphene-based Antennas for Terahertz Systems: A Review"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00371","kind":"arxiv","version":2},"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":"sha256:46693e479b6c6c0eae8b206504feba7cbcf232b77d7056053517d564e981535c","target":"record","created_at":"2026-05-18T00:46:34Z","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":"65e8f1c0b9a13629d99ba6f5254e14cf8f6112cb86cb44e4551e0d2e0d478c61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2017-04-02T21:43:54Z","title_canon_sha256":"f21daca1e05366b689819f97ecc3f2d05a84966bbd997f04bde1ea87a6af1519"},"schema_version":"1.0","source":{"id":"1704.00371","kind":"arxiv","version":2}},"canonical_sha256":"5e22c54278958ac3c0bc6f297424041c5ae11d94f1952dc2ca93c78bea596606","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5e22c54278958ac3c0bc6f297424041c5ae11d94f1952dc2ca93c78bea596606","first_computed_at":"2026-05-18T00:46:34.296636Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:34.296636Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dTDBOmGpdqUibeFT9Cw1VdlwAWsXxpATNoqMIzQNQbSO6uC98a2aylUR1tm85pCfT6DxnPjiCvg7OCdCoFTLBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:34.297327Z","signed_message":"canonical_sha256_bytes"},"source_id":"1704.00371","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:46693e479b6c6c0eae8b206504feba7cbcf232b77d7056053517d564e981535c","sha256:96414796d448f9aee7c6249db78925f263692291c1effc6f855ab477c44b4293"],"state_sha256":"cfaae7476fa210467fe0449d72f55430a7eaa3fd2690b68c2d23a712b215a171"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8XLH0T+PzMPKnii9of+Iuv/qWERFnONqVs9pS5u1lZfnIvqzDPQk4BUiDD/VhdtW2+9zdqEU1rj8AWIi0ZnxBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T07:07:52.225953Z","bundle_sha256":"fe874020cc6e16c30485840854d878edb2b426687eaf6280b05d7db3e1318341"}}