{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:QOO5SA64EJSNQGJHF2W6CJ4XCH","short_pith_number":"pith:QOO5SA64","canonical_record":{"source":{"id":"1801.08517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-25T18:27:57Z","cross_cats_sorted":[],"title_canon_sha256":"9fddc78b75c4d01124d77005ce11b207c21cf9a452350f44feeea18bab62e422","abstract_canon_sha256":"9beac5bebfd568849e725a9a2798078ff447b04c638be1416fe944d733631561"},"schema_version":"1.0"},"canonical_sha256":"839dd903dc2264d819272eade1279711e62c0aec141adf2eb2eb305ab00123f8","source":{"kind":"arxiv","id":"1801.08517","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.08517","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.08517v1","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.08517","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"pith_short_12","alias_value":"QOO5SA64EJSN","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QOO5SA64EJSNQGJH","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QOO5SA64","created_at":"2026-05-18T12:32:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:QOO5SA64EJSNQGJHF2W6CJ4XCH","target":"record","payload":{"canonical_record":{"source":{"id":"1801.08517","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-25T18:27:57Z","cross_cats_sorted":[],"title_canon_sha256":"9fddc78b75c4d01124d77005ce11b207c21cf9a452350f44feeea18bab62e422","abstract_canon_sha256":"9beac5bebfd568849e725a9a2798078ff447b04c638be1416fe944d733631561"},"schema_version":"1.0"},"canonical_sha256":"839dd903dc2264d819272eade1279711e62c0aec141adf2eb2eb305ab00123f8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:25:06.135355Z","signature_b64":"qffntu+Oo6FHCFC6jOGU2t+r9NdPpNpZPSkStjWt2JVXRW37tzZWrRxj93h35P8pB+l5h5ZKYc8LDSMP2PmgBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"839dd903dc2264d819272eade1279711e62c0aec141adf2eb2eb305ab00123f8","last_reissued_at":"2026-05-18T00:25:06.134874Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:25:06.134874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.08517","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":"2026-05-18T00:25:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8WnJPDqdDMqwjR0u8QFK9PjRbGTHLRkpiuVz3tXSa1BhFYjUubBS7sCqXa5qMPjr0aHfLiW9eXw0VJxhyfOtDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T01:20:08.434225Z"},"content_sha256":"be2fa605608214d1bda4396bc3cca066f3c3d893520b8281b70abffd96f5ffa3","schema_version":"1.0","event_id":"sha256:be2fa605608214d1bda4396bc3cca066f3c3d893520b8281b70abffd96f5ffa3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:QOO5SA64EJSNQGJHF2W6CJ4XCH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extending the Brewster Effect to Arbitrary Angle and Polarization using Bianisotropic Metasurfaces","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Christophe Caloz, Guillaume Lavigne","submitted_at":"2018-01-25T18:27:57Z","abstract_excerpt":"A bianisotropic metasurface design is proposed for extending the Brewster effect to arbitrary angles and polarizations. The metasurface is synthesized using the surface susceptibility tensor and Generalized Sheet Transition Conditions (GSTCs) synthesis method, and is demonstrated by GSTC-FDFD simulation. It is found that an extremely broad angular range (0-30) with near zero reflection may be obtained near the normal angle, which is of paramount interest in paraxial optics, while narrower angular range at more oblique angles may find applications in spatial filtering."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.08517","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":"2026-05-18T00:25:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nfX9El7s36Akyvrfx200vM/lxGRw8TD2GVaHIsDx8bdCWqGdOAj3KpAdW+haeeVke0objYjPg/bYGb5I2sxIAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T01:20:08.434585Z"},"content_sha256":"e5dbbe166dba0aefe35ec4d93ccdc20325850b01c31b4df21ee8976b876aa357","schema_version":"1.0","event_id":"sha256:e5dbbe166dba0aefe35ec4d93ccdc20325850b01c31b4df21ee8976b876aa357"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QOO5SA64EJSNQGJHF2W6CJ4XCH/bundle.json","state_url":"https://pith.science/pith/QOO5SA64EJSNQGJHF2W6CJ4XCH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QOO5SA64EJSNQGJHF2W6CJ4XCH/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":"2026-06-20T01:20:08Z","links":{"resolver":"https://pith.science/pith/QOO5SA64EJSNQGJHF2W6CJ4XCH","bundle":"https://pith.science/pith/QOO5SA64EJSNQGJHF2W6CJ4XCH/bundle.json","state":"https://pith.science/pith/QOO5SA64EJSNQGJHF2W6CJ4XCH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QOO5SA64EJSNQGJHF2W6CJ4XCH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:QOO5SA64EJSNQGJHF2W6CJ4XCH","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":"9beac5bebfd568849e725a9a2798078ff447b04c638be1416fe944d733631561","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-25T18:27:57Z","title_canon_sha256":"9fddc78b75c4d01124d77005ce11b207c21cf9a452350f44feeea18bab62e422"},"schema_version":"1.0","source":{"id":"1801.08517","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.08517","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"arxiv_version","alias_value":"1801.08517v1","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.08517","created_at":"2026-05-18T00:25:06Z"},{"alias_kind":"pith_short_12","alias_value":"QOO5SA64EJSN","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_16","alias_value":"QOO5SA64EJSNQGJH","created_at":"2026-05-18T12:32:46Z"},{"alias_kind":"pith_short_8","alias_value":"QOO5SA64","created_at":"2026-05-18T12:32:46Z"}],"graph_snapshots":[{"event_id":"sha256:e5dbbe166dba0aefe35ec4d93ccdc20325850b01c31b4df21ee8976b876aa357","target":"graph","created_at":"2026-05-18T00:25:06Z","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":"A bianisotropic metasurface design is proposed for extending the Brewster effect to arbitrary angles and polarizations. The metasurface is synthesized using the surface susceptibility tensor and Generalized Sheet Transition Conditions (GSTCs) synthesis method, and is demonstrated by GSTC-FDFD simulation. It is found that an extremely broad angular range (0-30) with near zero reflection may be obtained near the normal angle, which is of paramount interest in paraxial optics, while narrower angular range at more oblique angles may find applications in spatial filtering.","authors_text":"Christophe Caloz, Guillaume Lavigne","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-25T18:27:57Z","title":"Extending the Brewster Effect to Arbitrary Angle and Polarization using Bianisotropic Metasurfaces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.08517","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:be2fa605608214d1bda4396bc3cca066f3c3d893520b8281b70abffd96f5ffa3","target":"record","created_at":"2026-05-18T00:25:06Z","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":"9beac5bebfd568849e725a9a2798078ff447b04c638be1416fe944d733631561","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2018-01-25T18:27:57Z","title_canon_sha256":"9fddc78b75c4d01124d77005ce11b207c21cf9a452350f44feeea18bab62e422"},"schema_version":"1.0","source":{"id":"1801.08517","kind":"arxiv","version":1}},"canonical_sha256":"839dd903dc2264d819272eade1279711e62c0aec141adf2eb2eb305ab00123f8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"839dd903dc2264d819272eade1279711e62c0aec141adf2eb2eb305ab00123f8","first_computed_at":"2026-05-18T00:25:06.134874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:25:06.134874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qffntu+Oo6FHCFC6jOGU2t+r9NdPpNpZPSkStjWt2JVXRW37tzZWrRxj93h35P8pB+l5h5ZKYc8LDSMP2PmgBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:25:06.135355Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.08517","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be2fa605608214d1bda4396bc3cca066f3c3d893520b8281b70abffd96f5ffa3","sha256:e5dbbe166dba0aefe35ec4d93ccdc20325850b01c31b4df21ee8976b876aa357"],"state_sha256":"bf12668c58746e06dc72afe8d7fc79aedc3b2e61469acf98754c7c5331deaed3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1nojycAU7rNCwIhLJ4OO2unmm96lN17x60byfUL2jEPUNpsY1TFXX406h6y2pUudukgbAu4dtxeLHG/g2ASWCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T01:20:08.436487Z","bundle_sha256":"0a7dbaaf869ddba1276238128a7b24c13189fabd71a05934c89ee6d6b077a098"}}