{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:PAQFFBUQIXSE7IPWQBKCFPJDYN","short_pith_number":"pith:PAQFFBUQ","canonical_record":{"source":{"id":"1608.01215","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-08-03T15:04:30Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"3edc8923172737968312d8a4f547ae75f917a13fe98b44c03e6c2d012aeb4bc0","abstract_canon_sha256":"5788768156740241b3702c1f195e4878afe893ef9de2216264d0876fa28ff18a"},"schema_version":"1.0"},"canonical_sha256":"782052869045e44fa1f6805422bd23c345ee4ba63ae7b78c38170fa4225f6ab5","source":{"kind":"arxiv","id":"1608.01215","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01215","created_at":"2026-05-18T01:09:29Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01215v2","created_at":"2026-05-18T01:09:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01215","created_at":"2026-05-18T01:09:29Z"},{"alias_kind":"pith_short_12","alias_value":"PAQFFBUQIXSE","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PAQFFBUQIXSE7IPW","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PAQFFBUQ","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:PAQFFBUQIXSE7IPWQBKCFPJDYN","target":"record","payload":{"canonical_record":{"source":{"id":"1608.01215","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-08-03T15:04:30Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"3edc8923172737968312d8a4f547ae75f917a13fe98b44c03e6c2d012aeb4bc0","abstract_canon_sha256":"5788768156740241b3702c1f195e4878afe893ef9de2216264d0876fa28ff18a"},"schema_version":"1.0"},"canonical_sha256":"782052869045e44fa1f6805422bd23c345ee4ba63ae7b78c38170fa4225f6ab5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:29.291524Z","signature_b64":"YybfiP0KiHUtTVsIUTLjX16fyARtxJm5rlqbuKFjqAU+cKWwrLT4cIYiwaObeQztUgKVolhXjswtgFgS/TDzDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"782052869045e44fa1f6805422bd23c345ee4ba63ae7b78c38170fa4225f6ab5","last_reissued_at":"2026-05-18T01:09:29.291057Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:29.291057Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1608.01215","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":"2026-05-18T01:09:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tZiee/QanUMpCWXUEO3itp3NMQmpix0hvGCh+T3c7X3VpJenOYrJyNo8IeyjBTWTiW3PMGS2kvHfQA0qsIMvAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:24:55.601803Z"},"content_sha256":"a08082da4ce410694955bd9c91214fa3d4079f03336a8866f900795c501f1e6a","schema_version":"1.0","event_id":"sha256:a08082da4ce410694955bd9c91214fa3d4079f03336a8866f900795c501f1e6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:PAQFFBUQIXSE7IPWQBKCFPJDYN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Plasmons and terahertz devices in graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"physics.ins-det","authors_text":"Hossam Galal","submitted_at":"2016-08-03T15:04:30Z","abstract_excerpt":"We introduce a novel scheme for efficient manipulation and detection of terahertz (THz) radiation. Our work consists of two parts; with a focus on proving the concept of our novel scheme, and the exploitation of graphene's peculiar properties.\n  For the first part, we report on the successful demonstration of two multiresonance Split Ring Resonator (SRR) designs, for efficient modulation of THz frequency beams. The two designs are based on SRR intracoupling, with multiple predefined resonances covering the bandwidth 40-300 GHz. The simulation results obtained have been experimentally verified."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01215","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":"2026-05-18T01:09:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dLrfEakPtscS8tKBO1VNBo857dx6ktDZxOfDo26AJBcDZWo+tnMAnWdw/bJOKt0XVHQyf4GBgV17nb9sk+6MAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T01:24:55.602569Z"},"content_sha256":"0b11a76d6d2513e4231cbe2f15d03bafd91d02778c97bc3394098320757931df","schema_version":"1.0","event_id":"sha256:0b11a76d6d2513e4231cbe2f15d03bafd91d02778c97bc3394098320757931df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PAQFFBUQIXSE7IPWQBKCFPJDYN/bundle.json","state_url":"https://pith.science/pith/PAQFFBUQIXSE7IPWQBKCFPJDYN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PAQFFBUQIXSE7IPWQBKCFPJDYN/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":"2026-06-01T01:24:55Z","links":{"resolver":"https://pith.science/pith/PAQFFBUQIXSE7IPWQBKCFPJDYN","bundle":"https://pith.science/pith/PAQFFBUQIXSE7IPWQBKCFPJDYN/bundle.json","state":"https://pith.science/pith/PAQFFBUQIXSE7IPWQBKCFPJDYN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PAQFFBUQIXSE7IPWQBKCFPJDYN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:PAQFFBUQIXSE7IPWQBKCFPJDYN","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":"5788768156740241b3702c1f195e4878afe893ef9de2216264d0876fa28ff18a","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-08-03T15:04:30Z","title_canon_sha256":"3edc8923172737968312d8a4f547ae75f917a13fe98b44c03e6c2d012aeb4bc0"},"schema_version":"1.0","source":{"id":"1608.01215","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1608.01215","created_at":"2026-05-18T01:09:29Z"},{"alias_kind":"arxiv_version","alias_value":"1608.01215v2","created_at":"2026-05-18T01:09:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.01215","created_at":"2026-05-18T01:09:29Z"},{"alias_kind":"pith_short_12","alias_value":"PAQFFBUQIXSE","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"PAQFFBUQIXSE7IPW","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"PAQFFBUQ","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:0b11a76d6d2513e4231cbe2f15d03bafd91d02778c97bc3394098320757931df","target":"graph","created_at":"2026-05-18T01:09:29Z","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 introduce a novel scheme for efficient manipulation and detection of terahertz (THz) radiation. Our work consists of two parts; with a focus on proving the concept of our novel scheme, and the exploitation of graphene's peculiar properties.\n  For the first part, we report on the successful demonstration of two multiresonance Split Ring Resonator (SRR) designs, for efficient modulation of THz frequency beams. The two designs are based on SRR intracoupling, with multiple predefined resonances covering the bandwidth 40-300 GHz. The simulation results obtained have been experimentally verified.","authors_text":"Hossam Galal","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-08-03T15:04:30Z","title":"Plasmons and terahertz devices in graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.01215","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:a08082da4ce410694955bd9c91214fa3d4079f03336a8866f900795c501f1e6a","target":"record","created_at":"2026-05-18T01:09:29Z","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":"5788768156740241b3702c1f195e4878afe893ef9de2216264d0876fa28ff18a","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2016-08-03T15:04:30Z","title_canon_sha256":"3edc8923172737968312d8a4f547ae75f917a13fe98b44c03e6c2d012aeb4bc0"},"schema_version":"1.0","source":{"id":"1608.01215","kind":"arxiv","version":2}},"canonical_sha256":"782052869045e44fa1f6805422bd23c345ee4ba63ae7b78c38170fa4225f6ab5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"782052869045e44fa1f6805422bd23c345ee4ba63ae7b78c38170fa4225f6ab5","first_computed_at":"2026-05-18T01:09:29.291057Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:29.291057Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YybfiP0KiHUtTVsIUTLjX16fyARtxJm5rlqbuKFjqAU+cKWwrLT4cIYiwaObeQztUgKVolhXjswtgFgS/TDzDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:29.291524Z","signed_message":"canonical_sha256_bytes"},"source_id":"1608.01215","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a08082da4ce410694955bd9c91214fa3d4079f03336a8866f900795c501f1e6a","sha256:0b11a76d6d2513e4231cbe2f15d03bafd91d02778c97bc3394098320757931df"],"state_sha256":"8728d07a4f8df94ada76d06e9be1090a51bb5e4ea1e9adff69f41d3d8629db78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rNb0J7GYLcYtZuvtwShepvvgpi3Cko9pDngSFPPwBqyJLLhGK7Fx905gWCTJAIIt+3LiHqbsi6V7f04AVFb1AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T01:24:55.606477Z","bundle_sha256":"ec9887fe5d2eb2d78ae16e1e7d1f4bd6591d9819018500d898656df50ceedb80"}}