{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:VJJWS6ZMNHSILHN6ENZ7QDLAX5","short_pith_number":"pith:VJJWS6ZM","canonical_record":{"source":{"id":"1603.08481","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-03-28T18:50:34Z","cross_cats_sorted":[],"title_canon_sha256":"dff9d832c3ee4b3d04df3c279e12803829b5f92f04ab313f119073666a449fa2","abstract_canon_sha256":"2efeb7dc05188c229bf2dc2fc6174949fa6550955d094756fe4d19f9936907f8"},"schema_version":"1.0"},"canonical_sha256":"aa53697b2c69e4859dbe2373f80d60bf6e555f5cac545c8d0982aab4ae4e31c5","source":{"kind":"arxiv","id":"1603.08481","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.08481","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"arxiv_version","alias_value":"1603.08481v1","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.08481","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"pith_short_12","alias_value":"VJJWS6ZMNHSI","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VJJWS6ZMNHSILHN6","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VJJWS6ZM","created_at":"2026-05-18T12:30:48Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:VJJWS6ZMNHSILHN6ENZ7QDLAX5","target":"record","payload":{"canonical_record":{"source":{"id":"1603.08481","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-03-28T18:50:34Z","cross_cats_sorted":[],"title_canon_sha256":"dff9d832c3ee4b3d04df3c279e12803829b5f92f04ab313f119073666a449fa2","abstract_canon_sha256":"2efeb7dc05188c229bf2dc2fc6174949fa6550955d094756fe4d19f9936907f8"},"schema_version":"1.0"},"canonical_sha256":"aa53697b2c69e4859dbe2373f80d60bf6e555f5cac545c8d0982aab4ae4e31c5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:10.673226Z","signature_b64":"xoffziEMeXDeeuDBzIRbDxF6GHqAiBa1K7dOLXTxItkGjEd7DibYZw2LSYVFIwm1mGWOx3zAy1MAlspjoXdlAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa53697b2c69e4859dbe2373f80d60bf6e555f5cac545c8d0982aab4ae4e31c5","last_reissued_at":"2026-05-18T01:18:10.672735Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:10.672735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.08481","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":"2026-05-18T01:18:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yar+Dsrpr7n42WwuVNy7z7E1jdR8lTA9dVg1pBWDWYtTUExl2P85d5TscWI9enq6ZyVDrCLRczmPGtQ9mIEjAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T17:36:14.627245Z"},"content_sha256":"7e2f0bc5ba739e4decf871564040afeffe88f3d0a4f92a42f7e03fa50d9fcf71","schema_version":"1.0","event_id":"sha256:7e2f0bc5ba739e4decf871564040afeffe88f3d0a4f92a42f7e03fa50d9fcf71"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:VJJWS6ZMNHSILHN6ENZ7QDLAX5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magneto-optical response in bimetallic metamaterials","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Evangelos Atmatzakis, Guillaume Vienne, Nikitas Papasimakis, Nikolay I. Zheludev, Vassili Fedotov","submitted_at":"2016-03-28T18:50:34Z","abstract_excerpt":"We demonstrate resonant Faraday polarization rotation in plasmonic arrays of bimetallic nano-ring resonators consisting of Au and Ni sections. This metamaterial design allows to optimize the trade-off between the enhancement of magneto-optical effects and plasmonic dissipation. Although Ni sections correspond to as little as ~6% of the total surface of the metamaterial, the resulting magneto-optically induced polarization rotation is equal to that of a continuous film. Such bimetallic metamaterials can be used in compact magnetic sensors, active plasmonic components and integrated photonic cir"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.08481","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":"2026-05-18T01:18:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iF3L7wN7ndpjx8gbRZTO25aYRcasLh+hTYWodpx9yw7lVX+1yVXDNcC6YkP/CtGqPkQJjmm3DNuJIIg/kAE3BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T17:36:14.627721Z"},"content_sha256":"d74cefa8d8e7aa95d227e494fd3f6e18d386c6251022811233742ae457c3d7e6","schema_version":"1.0","event_id":"sha256:d74cefa8d8e7aa95d227e494fd3f6e18d386c6251022811233742ae457c3d7e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VJJWS6ZMNHSILHN6ENZ7QDLAX5/bundle.json","state_url":"https://pith.science/pith/VJJWS6ZMNHSILHN6ENZ7QDLAX5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VJJWS6ZMNHSILHN6ENZ7QDLAX5/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":"2026-06-24T17:36:14Z","links":{"resolver":"https://pith.science/pith/VJJWS6ZMNHSILHN6ENZ7QDLAX5","bundle":"https://pith.science/pith/VJJWS6ZMNHSILHN6ENZ7QDLAX5/bundle.json","state":"https://pith.science/pith/VJJWS6ZMNHSILHN6ENZ7QDLAX5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VJJWS6ZMNHSILHN6ENZ7QDLAX5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:VJJWS6ZMNHSILHN6ENZ7QDLAX5","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":"2efeb7dc05188c229bf2dc2fc6174949fa6550955d094756fe4d19f9936907f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-03-28T18:50:34Z","title_canon_sha256":"dff9d832c3ee4b3d04df3c279e12803829b5f92f04ab313f119073666a449fa2"},"schema_version":"1.0","source":{"id":"1603.08481","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.08481","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"arxiv_version","alias_value":"1603.08481v1","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.08481","created_at":"2026-05-18T01:18:10Z"},{"alias_kind":"pith_short_12","alias_value":"VJJWS6ZMNHSI","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_16","alias_value":"VJJWS6ZMNHSILHN6","created_at":"2026-05-18T12:30:48Z"},{"alias_kind":"pith_short_8","alias_value":"VJJWS6ZM","created_at":"2026-05-18T12:30:48Z"}],"graph_snapshots":[{"event_id":"sha256:d74cefa8d8e7aa95d227e494fd3f6e18d386c6251022811233742ae457c3d7e6","target":"graph","created_at":"2026-05-18T01:18:10Z","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 demonstrate resonant Faraday polarization rotation in plasmonic arrays of bimetallic nano-ring resonators consisting of Au and Ni sections. This metamaterial design allows to optimize the trade-off between the enhancement of magneto-optical effects and plasmonic dissipation. Although Ni sections correspond to as little as ~6% of the total surface of the metamaterial, the resulting magneto-optically induced polarization rotation is equal to that of a continuous film. Such bimetallic metamaterials can be used in compact magnetic sensors, active plasmonic components and integrated photonic cir","authors_text":"Evangelos Atmatzakis, Guillaume Vienne, Nikitas Papasimakis, Nikolay I. Zheludev, Vassili Fedotov","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-03-28T18:50:34Z","title":"Magneto-optical response in bimetallic metamaterials"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.08481","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":"sha256:7e2f0bc5ba739e4decf871564040afeffe88f3d0a4f92a42f7e03fa50d9fcf71","target":"record","created_at":"2026-05-18T01:18:10Z","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":"2efeb7dc05188c229bf2dc2fc6174949fa6550955d094756fe4d19f9936907f8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-03-28T18:50:34Z","title_canon_sha256":"dff9d832c3ee4b3d04df3c279e12803829b5f92f04ab313f119073666a449fa2"},"schema_version":"1.0","source":{"id":"1603.08481","kind":"arxiv","version":1}},"canonical_sha256":"aa53697b2c69e4859dbe2373f80d60bf6e555f5cac545c8d0982aab4ae4e31c5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa53697b2c69e4859dbe2373f80d60bf6e555f5cac545c8d0982aab4ae4e31c5","first_computed_at":"2026-05-18T01:18:10.672735Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:10.672735Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xoffziEMeXDeeuDBzIRbDxF6GHqAiBa1K7dOLXTxItkGjEd7DibYZw2LSYVFIwm1mGWOx3zAy1MAlspjoXdlAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:10.673226Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.08481","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e2f0bc5ba739e4decf871564040afeffe88f3d0a4f92a42f7e03fa50d9fcf71","sha256:d74cefa8d8e7aa95d227e494fd3f6e18d386c6251022811233742ae457c3d7e6"],"state_sha256":"2e439b920b15581ff2c5e4c4d7233e6b23ad5b471fd777f1a207edff2401d897"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QZWf2RjzlecL4YbP1Nqc6Fx50A+83NcyyNrOwapkXLrbR3AXZoeIeH8T9AFhvIvj2tCzcC+0DEa4+ULeSk1GBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T17:36:14.630333Z","bundle_sha256":"edf8a31c793c4a34f3cc6974b2abdfd3399d42cbfdd9fb7f6cabe78600c8acbb"}}