{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:53SGHPPB7KOEUUROQAHCPPNZNT","short_pith_number":"pith:53SGHPPB","canonical_record":{"source":{"id":"1801.03270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-10T08:42:31Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"50c98fbdcc2db1b7115f4a4936c13179b11b53b223e01bcffe3c06bf8eefde39","abstract_canon_sha256":"8bc9e4e4320f90f21fcbf737947d7c09dcd7924b1e30e9e5ed46df9e3b0385e3"},"schema_version":"1.0"},"canonical_sha256":"eee463bde1fa9c4a522e800e27bdb96cc1e9a65a6d1faee181c51a5ff26f757b","source":{"kind":"arxiv","id":"1801.03270","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03270","created_at":"2026-05-18T00:26:17Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03270v1","created_at":"2026-05-18T00:26:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03270","created_at":"2026-05-18T00:26:17Z"},{"alias_kind":"pith_short_12","alias_value":"53SGHPPB7KOE","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"53SGHPPB7KOEUURO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"53SGHPPB","created_at":"2026-05-18T12:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:53SGHPPB7KOEUUROQAHCPPNZNT","target":"record","payload":{"canonical_record":{"source":{"id":"1801.03270","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-10T08:42:31Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"50c98fbdcc2db1b7115f4a4936c13179b11b53b223e01bcffe3c06bf8eefde39","abstract_canon_sha256":"8bc9e4e4320f90f21fcbf737947d7c09dcd7924b1e30e9e5ed46df9e3b0385e3"},"schema_version":"1.0"},"canonical_sha256":"eee463bde1fa9c4a522e800e27bdb96cc1e9a65a6d1faee181c51a5ff26f757b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:26:17.554810Z","signature_b64":"Q/XsDvyt1/PvwPgi40zVEICcvKGWQKp8BW92NnIGCKQ2VYKn0J5zcgIqsLlF6sG+1Z5gJlJfn7DQgawC//iuAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eee463bde1fa9c4a522e800e27bdb96cc1e9a65a6d1faee181c51a5ff26f757b","last_reissued_at":"2026-05-18T00:26:17.554250Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:26:17.554250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.03270","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:26:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kU/i6HNeRPWgBxr3Lvb8rEXvdTdSvhxREp6/l7b3/0QkazcL/kpeYoYYTrwCzJ5oL2rbhpdLCLsjDd8tjmNCCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:09:05.543612Z"},"content_sha256":"5a3a1bb60729533f50e44673d3f1ca0d459dbfbd512f101c5db8e0ee252282d2","schema_version":"1.0","event_id":"sha256:5a3a1bb60729533f50e44673d3f1ca0d459dbfbd512f101c5db8e0ee252282d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:53SGHPPB7KOEUUROQAHCPPNZNT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Functional metasurfaces: Do we need normal polarizations?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"physics.app-ph","authors_text":"Do-Hoon Kwon, Filippo Capolino, Mohammad Albooyeh, Sergei A. Tretyakov","submitted_at":"2018-01-10T08:42:31Z","abstract_excerpt":"We consider reciprocal metasurfaces with engineered reflection and transmission coefficients and study the role of normal (with respect to the metasurface plane) electric and magnetic polarizations on the possibilities to shape the reflection and transmission responses. We demonstrate in general and on a representative example that the presence of normal components of the polarization vectors does not add extra degrees of freedom in engineering the reflection and transmission characteristics of metasurfaces. Furthermore, we discuss advantages and disadvantages of equivalent volumetric and full"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03270","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":""},"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":"2026-05-18T00:26:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bLzh3/j5rUOtFqPyLc6z7ULk7EO01a1h4pI60ekniO8NcwbPEDQDVT6jLWWuBBIecNcMvd5K7sl+soqBRdaBAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:09:05.544254Z"},"content_sha256":"e72e25a48f7de84520311733a74ce81db91f1c05302c13a636ba7d39a2048ab7","schema_version":"1.0","event_id":"sha256:e72e25a48f7de84520311733a74ce81db91f1c05302c13a636ba7d39a2048ab7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/53SGHPPB7KOEUUROQAHCPPNZNT/bundle.json","state_url":"https://pith.science/pith/53SGHPPB7KOEUUROQAHCPPNZNT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/53SGHPPB7KOEUUROQAHCPPNZNT/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":"2026-05-27T00:09:05Z","links":{"resolver":"https://pith.science/pith/53SGHPPB7KOEUUROQAHCPPNZNT","bundle":"https://pith.science/pith/53SGHPPB7KOEUUROQAHCPPNZNT/bundle.json","state":"https://pith.science/pith/53SGHPPB7KOEUUROQAHCPPNZNT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/53SGHPPB7KOEUUROQAHCPPNZNT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:53SGHPPB7KOEUUROQAHCPPNZNT","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":"8bc9e4e4320f90f21fcbf737947d7c09dcd7924b1e30e9e5ed46df9e3b0385e3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-10T08:42:31Z","title_canon_sha256":"50c98fbdcc2db1b7115f4a4936c13179b11b53b223e01bcffe3c06bf8eefde39"},"schema_version":"1.0","source":{"id":"1801.03270","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.03270","created_at":"2026-05-18T00:26:17Z"},{"alias_kind":"arxiv_version","alias_value":"1801.03270v1","created_at":"2026-05-18T00:26:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.03270","created_at":"2026-05-18T00:26:17Z"},{"alias_kind":"pith_short_12","alias_value":"53SGHPPB7KOE","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"53SGHPPB7KOEUURO","created_at":"2026-05-18T12:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"53SGHPPB","created_at":"2026-05-18T12:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:e72e25a48f7de84520311733a74ce81db91f1c05302c13a636ba7d39a2048ab7","target":"graph","created_at":"2026-05-18T00:26:17Z","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 consider reciprocal metasurfaces with engineered reflection and transmission coefficients and study the role of normal (with respect to the metasurface plane) electric and magnetic polarizations on the possibilities to shape the reflection and transmission responses. We demonstrate in general and on a representative example that the presence of normal components of the polarization vectors does not add extra degrees of freedom in engineering the reflection and transmission characteristics of metasurfaces. Furthermore, we discuss advantages and disadvantages of equivalent volumetric and full","authors_text":"Do-Hoon Kwon, Filippo Capolino, Mohammad Albooyeh, Sergei A. Tretyakov","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-10T08:42:31Z","title":"Functional metasurfaces: Do we need normal polarizations?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.03270","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":"sha256:5a3a1bb60729533f50e44673d3f1ca0d459dbfbd512f101c5db8e0ee252282d2","target":"record","created_at":"2026-05-18T00:26:17Z","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":"8bc9e4e4320f90f21fcbf737947d7c09dcd7924b1e30e9e5ed46df9e3b0385e3","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-01-10T08:42:31Z","title_canon_sha256":"50c98fbdcc2db1b7115f4a4936c13179b11b53b223e01bcffe3c06bf8eefde39"},"schema_version":"1.0","source":{"id":"1801.03270","kind":"arxiv","version":1}},"canonical_sha256":"eee463bde1fa9c4a522e800e27bdb96cc1e9a65a6d1faee181c51a5ff26f757b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eee463bde1fa9c4a522e800e27bdb96cc1e9a65a6d1faee181c51a5ff26f757b","first_computed_at":"2026-05-18T00:26:17.554250Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:26:17.554250Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q/XsDvyt1/PvwPgi40zVEICcvKGWQKp8BW92NnIGCKQ2VYKn0J5zcgIqsLlF6sG+1Z5gJlJfn7DQgawC//iuAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:26:17.554810Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.03270","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5a3a1bb60729533f50e44673d3f1ca0d459dbfbd512f101c5db8e0ee252282d2","sha256:e72e25a48f7de84520311733a74ce81db91f1c05302c13a636ba7d39a2048ab7"],"state_sha256":"74449dd6e65f7fcca504008db3871115d3dbd64f8d4723caf4c6a8f8e5323ff0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v2LWoZ4vmvDx1fgX7XC9H9aU0YGwji2667T9BLuBvfk5NvP3MKrsWX0kj66locJPpRWydytq0hO65Pl22tK1Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:09:05.547630Z","bundle_sha256":"0e3748197a2630da955c08cb80f15928f36b6e1b0c295add7772d27add67d5c4"}}