{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:TDFFPUJWPBWYVI43AGPBTZYRJC","short_pith_number":"pith:TDFFPUJW","canonical_record":{"source":{"id":"1601.01309","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-06T20:52:35Z","cross_cats_sorted":[],"title_canon_sha256":"5154299dbeb1a44dbc8e27cb121b3fe3e4dd480795311f33119c8a5512fe6992","abstract_canon_sha256":"bd063645060437cc883c6521e4b5201963690101497bfa6d3d3b54387789d189"},"schema_version":"1.0"},"canonical_sha256":"98ca57d136786d8aa39b019e19e71148948db1889e4ea55ecafaf9d74f5f32a4","source":{"kind":"arxiv","id":"1601.01309","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01309","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01309v1","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01309","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"pith_short_12","alias_value":"TDFFPUJWPBWY","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"TDFFPUJWPBWYVI43","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"TDFFPUJW","created_at":"2026-05-18T12:30:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:TDFFPUJWPBWYVI43AGPBTZYRJC","target":"record","payload":{"canonical_record":{"source":{"id":"1601.01309","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-06T20:52:35Z","cross_cats_sorted":[],"title_canon_sha256":"5154299dbeb1a44dbc8e27cb121b3fe3e4dd480795311f33119c8a5512fe6992","abstract_canon_sha256":"bd063645060437cc883c6521e4b5201963690101497bfa6d3d3b54387789d189"},"schema_version":"1.0"},"canonical_sha256":"98ca57d136786d8aa39b019e19e71148948db1889e4ea55ecafaf9d74f5f32a4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:49.221595Z","signature_b64":"p0FdpNlUWQobHb1RhUPhAY800DU2XAKgp+VaccXIF7GDPvh7E9y+joFt2P9O6dtcnAWpQms1jgWytw27MdkADw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98ca57d136786d8aa39b019e19e71148948db1889e4ea55ecafaf9d74f5f32a4","last_reissued_at":"2026-05-18T01:12:49.221193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:49.221193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1601.01309","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":"2026-05-18T01:12:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UJSUlyfErCWiYRNlmZOrowqfGulHwjnBNct1lE7bc3bMtNXxTAMc7hKNmzPEYTfbnoieHgMl5FbBWTTVKdDbAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:29:35.917971Z"},"content_sha256":"d20bd2faef3cba66cabf8bfdb1a3124431978137c10c720740a5127f7b139eff","schema_version":"1.0","event_id":"sha256:d20bd2faef3cba66cabf8bfdb1a3124431978137c10c720740a5127f7b139eff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:TDFFPUJWPBWYVI43AGPBTZYRJC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Towards nanoscale multiplexing with parity-time symmetric plasmonic coaxial waveguides","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Brian Baum, Hadiseh Alaeian, Jennifer A. Dionne, Mark Lawrence, Vladan Jankovic","submitted_at":"2016-01-06T20:52:35Z","abstract_excerpt":"We theoretically investigate a nanoscale mode-division multiplexing scheme based on parity-time (PT) symmetric coaxial plasmonic waveguides. Coaxial waveguides support paired degenerate modes corresponding to distinct orbital angular momentum states. PT symmetric inclusions of gain and loss break the degeneracy of the paired modes and create new hybrid modes without orbital angular momentum. This process can be made thresholdless by matching the mode order with the number of gain and loss sections within the coaxial ring. Using both a Hamiltonian formulation and degenerate perturbation theory,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01309","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":"2026-05-18T01:12:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iLTXHYMovN2pnTi1cwXiEXNCwEi1QzMMk/usG0FgGlh6ZjYGi6aS9ALLIY6WwlFzZ7AXcL+Ytu7nToZqqyX6CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T13:29:35.918332Z"},"content_sha256":"7c345390fe8637dccddfb6a7a3aee42ac12b9dc0a848421bc8a4be9f4a6a5734","schema_version":"1.0","event_id":"sha256:7c345390fe8637dccddfb6a7a3aee42ac12b9dc0a848421bc8a4be9f4a6a5734"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TDFFPUJWPBWYVI43AGPBTZYRJC/bundle.json","state_url":"https://pith.science/pith/TDFFPUJWPBWYVI43AGPBTZYRJC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TDFFPUJWPBWYVI43AGPBTZYRJC/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":"2026-06-01T13:29:35Z","links":{"resolver":"https://pith.science/pith/TDFFPUJWPBWYVI43AGPBTZYRJC","bundle":"https://pith.science/pith/TDFFPUJWPBWYVI43AGPBTZYRJC/bundle.json","state":"https://pith.science/pith/TDFFPUJWPBWYVI43AGPBTZYRJC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TDFFPUJWPBWYVI43AGPBTZYRJC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:TDFFPUJWPBWYVI43AGPBTZYRJC","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":"bd063645060437cc883c6521e4b5201963690101497bfa6d3d3b54387789d189","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-06T20:52:35Z","title_canon_sha256":"5154299dbeb1a44dbc8e27cb121b3fe3e4dd480795311f33119c8a5512fe6992"},"schema_version":"1.0","source":{"id":"1601.01309","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1601.01309","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"arxiv_version","alias_value":"1601.01309v1","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1601.01309","created_at":"2026-05-18T01:12:49Z"},{"alias_kind":"pith_short_12","alias_value":"TDFFPUJWPBWY","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_16","alias_value":"TDFFPUJWPBWYVI43","created_at":"2026-05-18T12:30:44Z"},{"alias_kind":"pith_short_8","alias_value":"TDFFPUJW","created_at":"2026-05-18T12:30:44Z"}],"graph_snapshots":[{"event_id":"sha256:7c345390fe8637dccddfb6a7a3aee42ac12b9dc0a848421bc8a4be9f4a6a5734","target":"graph","created_at":"2026-05-18T01:12:49Z","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 theoretically investigate a nanoscale mode-division multiplexing scheme based on parity-time (PT) symmetric coaxial plasmonic waveguides. Coaxial waveguides support paired degenerate modes corresponding to distinct orbital angular momentum states. PT symmetric inclusions of gain and loss break the degeneracy of the paired modes and create new hybrid modes without orbital angular momentum. This process can be made thresholdless by matching the mode order with the number of gain and loss sections within the coaxial ring. Using both a Hamiltonian formulation and degenerate perturbation theory,","authors_text":"Brian Baum, Hadiseh Alaeian, Jennifer A. Dionne, Mark Lawrence, Vladan Jankovic","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-06T20:52:35Z","title":"Towards nanoscale multiplexing with parity-time symmetric plasmonic coaxial waveguides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1601.01309","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:d20bd2faef3cba66cabf8bfdb1a3124431978137c10c720740a5127f7b139eff","target":"record","created_at":"2026-05-18T01:12:49Z","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":"bd063645060437cc883c6521e4b5201963690101497bfa6d3d3b54387789d189","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2016-01-06T20:52:35Z","title_canon_sha256":"5154299dbeb1a44dbc8e27cb121b3fe3e4dd480795311f33119c8a5512fe6992"},"schema_version":"1.0","source":{"id":"1601.01309","kind":"arxiv","version":1}},"canonical_sha256":"98ca57d136786d8aa39b019e19e71148948db1889e4ea55ecafaf9d74f5f32a4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98ca57d136786d8aa39b019e19e71148948db1889e4ea55ecafaf9d74f5f32a4","first_computed_at":"2026-05-18T01:12:49.221193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:49.221193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p0FdpNlUWQobHb1RhUPhAY800DU2XAKgp+VaccXIF7GDPvh7E9y+joFt2P9O6dtcnAWpQms1jgWytw27MdkADw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:49.221595Z","signed_message":"canonical_sha256_bytes"},"source_id":"1601.01309","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d20bd2faef3cba66cabf8bfdb1a3124431978137c10c720740a5127f7b139eff","sha256:7c345390fe8637dccddfb6a7a3aee42ac12b9dc0a848421bc8a4be9f4a6a5734"],"state_sha256":"53f7b292bc9ed5f00b7ce5ac9c508f22c09cbf396cf5e2539e65cc9ae2a41ec6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4cAI2512TkjOUdZpcbcmEkPMRTfsbv3ipNnTx7am6pX6duQPhuMSVu+9XMMBmLBdLTRLo0qNrnYRItJd3FWCBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T13:29:35.920287Z","bundle_sha256":"67115fc96d194ac7e40059afc02f630f0cd548e9ff35db4004b755e98084a034"}}