{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:MXVRR2MNKOMF3P4X7V4QVS2CIZ","short_pith_number":"pith:MXVRR2MN","canonical_record":{"source":{"id":"2102.05240","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-02-10T03:30:39Z","cross_cats_sorted":[],"title_canon_sha256":"4873ba29f0cd7bb66d7af246f7a386b79500da4ea2fa94f5a7a573c29cffe3e7","abstract_canon_sha256":"fd6bd66d2251a6b1fa96744c748a2cb6c183530fd0c6e9bb1d09ab0097ab89a7"},"schema_version":"1.0"},"canonical_sha256":"65eb18e98d53985dbf97fd790acb42467477a290ebcc504afa1c9c4054d52bd4","source":{"kind":"arxiv","id":"2102.05240","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.05240","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"arxiv_version","alias_value":"2102.05240v1","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.05240","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"pith_short_12","alias_value":"MXVRR2MNKOMF","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"pith_short_16","alias_value":"MXVRR2MNKOMF3P4X","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"pith_short_8","alias_value":"MXVRR2MN","created_at":"2026-07-05T02:57:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:MXVRR2MNKOMF3P4X7V4QVS2CIZ","target":"record","payload":{"canonical_record":{"source":{"id":"2102.05240","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-02-10T03:30:39Z","cross_cats_sorted":[],"title_canon_sha256":"4873ba29f0cd7bb66d7af246f7a386b79500da4ea2fa94f5a7a573c29cffe3e7","abstract_canon_sha256":"fd6bd66d2251a6b1fa96744c748a2cb6c183530fd0c6e9bb1d09ab0097ab89a7"},"schema_version":"1.0"},"canonical_sha256":"65eb18e98d53985dbf97fd790acb42467477a290ebcc504afa1c9c4054d52bd4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:57:51.759639Z","signature_b64":"QZsiWUHRL28yIhgr/CVJz+XKspaKxKJOrhfvtG1UwJ0SEJ4sApnAb9gw2Qj8eSTekNSrz+lS/5ALdyD8d5v4Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"65eb18e98d53985dbf97fd790acb42467477a290ebcc504afa1c9c4054d52bd4","last_reissued_at":"2026-07-05T02:57:51.759182Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:57:51.759182Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2102.05240","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":"2026-07-05T02:57:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GJiNqIkrmgsYfQ7o6FwJMYVJiUjTxC6Jp8wdDQ28t/jWbW7jcgPAj9bTPJv+7Cm5fwNMSLEOvjMid0aEgngEBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T15:20:30.809629Z"},"content_sha256":"f4fff279ea307e826e978c933d8fa23557868b4737843414d479ef95dcd0c7a1","schema_version":"1.0","event_id":"sha256:f4fff279ea307e826e978c933d8fa23557868b4737843414d479ef95dcd0c7a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:MXVRR2MNKOMF3P4X7V4QVS2CIZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Slow wave and truly rainbow trapping in one-way terahertz waveguide","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.optics","authors_text":"Delong Feng, Jie Xu, Kangle Yong, Lujun Hong, Panpan He, Yun Shen, Yun Zhou","submitted_at":"2021-02-10T03:30:39Z","abstract_excerpt":"Slow or even stop electromagnetic (EM) waves attract researchers' attentions for its potential applications in energy storage, optical buffer and nonlinearity enhancement. However, in most cases of the EM waves trapping, the EM waves are not truly trapped due to the existence of reflection. In this paper, a novel metal-semiconductor-semiconductor-metal (MSSM) structure, and a novel truly rainbow trapping in a tapered MSSM model at terahertz frequencies are demonstrated by theoretical analysis and numerical simulations. More importantly, functional devices such as optical buffer, optical switch"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.05240","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2102.05240/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:57:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Whkh68mKh/n+rPN1zHe+hg3YOTEYtIGtKJKm+CcjmfYkOedqN5LpO7xsA3a/Pp9AJL5rbPXwru86wdll+jcnCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T15:20:30.810211Z"},"content_sha256":"be31f357bde99494ebbf71fe690381e8740510b4950a11501ed4b835cd9179f7","schema_version":"1.0","event_id":"sha256:be31f357bde99494ebbf71fe690381e8740510b4950a11501ed4b835cd9179f7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MXVRR2MNKOMF3P4X7V4QVS2CIZ/bundle.json","state_url":"https://pith.science/pith/MXVRR2MNKOMF3P4X7V4QVS2CIZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MXVRR2MNKOMF3P4X7V4QVS2CIZ/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":"2026-08-23T15:20:30Z","links":{"resolver":"https://pith.science/pith/MXVRR2MNKOMF3P4X7V4QVS2CIZ","bundle":"https://pith.science/pith/MXVRR2MNKOMF3P4X7V4QVS2CIZ/bundle.json","state":"https://pith.science/pith/MXVRR2MNKOMF3P4X7V4QVS2CIZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MXVRR2MNKOMF3P4X7V4QVS2CIZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:MXVRR2MNKOMF3P4X7V4QVS2CIZ","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":"fd6bd66d2251a6b1fa96744c748a2cb6c183530fd0c6e9bb1d09ab0097ab89a7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-02-10T03:30:39Z","title_canon_sha256":"4873ba29f0cd7bb66d7af246f7a386b79500da4ea2fa94f5a7a573c29cffe3e7"},"schema_version":"1.0","source":{"id":"2102.05240","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2102.05240","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"arxiv_version","alias_value":"2102.05240v1","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2102.05240","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"pith_short_12","alias_value":"MXVRR2MNKOMF","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"pith_short_16","alias_value":"MXVRR2MNKOMF3P4X","created_at":"2026-07-05T02:57:51Z"},{"alias_kind":"pith_short_8","alias_value":"MXVRR2MN","created_at":"2026-07-05T02:57:51Z"}],"graph_snapshots":[{"event_id":"sha256:be31f357bde99494ebbf71fe690381e8740510b4950a11501ed4b835cd9179f7","target":"graph","created_at":"2026-07-05T02:57:51Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2102.05240/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Slow or even stop electromagnetic (EM) waves attract researchers' attentions for its potential applications in energy storage, optical buffer and nonlinearity enhancement. However, in most cases of the EM waves trapping, the EM waves are not truly trapped due to the existence of reflection. In this paper, a novel metal-semiconductor-semiconductor-metal (MSSM) structure, and a novel truly rainbow trapping in a tapered MSSM model at terahertz frequencies are demonstrated by theoretical analysis and numerical simulations. More importantly, functional devices such as optical buffer, optical switch","authors_text":"Delong Feng, Jie Xu, Kangle Yong, Lujun Hong, Panpan He, Yun Shen, Yun Zhou","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-02-10T03:30:39Z","title":"Slow wave and truly rainbow trapping in one-way terahertz waveguide"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2102.05240","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:f4fff279ea307e826e978c933d8fa23557868b4737843414d479ef95dcd0c7a1","target":"record","created_at":"2026-07-05T02:57:51Z","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":"fd6bd66d2251a6b1fa96744c748a2cb6c183530fd0c6e9bb1d09ab0097ab89a7","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2021-02-10T03:30:39Z","title_canon_sha256":"4873ba29f0cd7bb66d7af246f7a386b79500da4ea2fa94f5a7a573c29cffe3e7"},"schema_version":"1.0","source":{"id":"2102.05240","kind":"arxiv","version":1}},"canonical_sha256":"65eb18e98d53985dbf97fd790acb42467477a290ebcc504afa1c9c4054d52bd4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"65eb18e98d53985dbf97fd790acb42467477a290ebcc504afa1c9c4054d52bd4","first_computed_at":"2026-07-05T02:57:51.759182Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:57:51.759182Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QZsiWUHRL28yIhgr/CVJz+XKspaKxKJOrhfvtG1UwJ0SEJ4sApnAb9gw2Qj8eSTekNSrz+lS/5ALdyD8d5v4Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:57:51.759639Z","signed_message":"canonical_sha256_bytes"},"source_id":"2102.05240","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f4fff279ea307e826e978c933d8fa23557868b4737843414d479ef95dcd0c7a1","sha256:be31f357bde99494ebbf71fe690381e8740510b4950a11501ed4b835cd9179f7"],"state_sha256":"4eb72479c9d576066fa0b42aee973b2b287aa145f530b45b85993069f3322ecd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z+lS2rzL5h8dPy0Ocie5owtTXhciSjQqG7QuhSyfrY7l7cg6hLDSb6nGcaAYpXIfgxgCDpRyEcGFxSwYikICCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T15:20:30.814183Z","bundle_sha256":"1f70560eba172ae70be10825cf56929cb0632545439e607977cd169d2cd65395"}}