{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:JXUQPSNMNDLXAE7JOSNT43USPB","short_pith_number":"pith:JXUQPSNM","canonical_record":{"source":{"id":"1805.09241","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-05-23T15:55:31Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics"],"title_canon_sha256":"aaeef1ddcbf585b39d5311c30bfb25cbc66d9c3adcec60aa666070bbe35f49de","abstract_canon_sha256":"d5c5dc15aeefecd07b80978fde843f12fffef0ddf35f7c79c3b03d6e91670f63"},"schema_version":"1.0"},"canonical_sha256":"4de907c9ac68d77013e9749b3e6e9278789d78ad5492db8eb5c39c79bf1ab514","source":{"kind":"arxiv","id":"1805.09241","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.09241","created_at":"2026-05-18T00:15:08Z"},{"alias_kind":"arxiv_version","alias_value":"1805.09241v1","created_at":"2026-05-18T00:15:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.09241","created_at":"2026-05-18T00:15:08Z"},{"alias_kind":"pith_short_12","alias_value":"JXUQPSNMNDLX","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"JXUQPSNMNDLXAE7J","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"JXUQPSNM","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:JXUQPSNMNDLXAE7JOSNT43USPB","target":"record","payload":{"canonical_record":{"source":{"id":"1805.09241","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-05-23T15:55:31Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics"],"title_canon_sha256":"aaeef1ddcbf585b39d5311c30bfb25cbc66d9c3adcec60aa666070bbe35f49de","abstract_canon_sha256":"d5c5dc15aeefecd07b80978fde843f12fffef0ddf35f7c79c3b03d6e91670f63"},"schema_version":"1.0"},"canonical_sha256":"4de907c9ac68d77013e9749b3e6e9278789d78ad5492db8eb5c39c79bf1ab514","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:08.179312Z","signature_b64":"G4qD7M+qn8CwRmOmA+LeRqdyaj2YK2sxJCoov3PplDIZoLk5HLzCu1UB4CsZ9Q84UkuqUmxFlIgem5eLOo8fCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4de907c9ac68d77013e9749b3e6e9278789d78ad5492db8eb5c39c79bf1ab514","last_reissued_at":"2026-05-18T00:15:08.178874Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:08.178874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1805.09241","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":"2026-05-18T00:15:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p49wTJeR96TA0kwRd9BB1YfRRRfn1/kEuWOyAbZ5agbHg57ppgRz5SRpONDDnlOO184WaxTGmCwLnmZxoFvgAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:18:13.009952Z"},"content_sha256":"7597d348c0cf4a035b04bd37ac0723d9b4cddd1afe99ef8e67626dd8d40a30a0","schema_version":"1.0","event_id":"sha256:7597d348c0cf4a035b04bd37ac0723d9b4cddd1afe99ef8e67626dd8d40a30a0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:JXUQPSNMNDLXAE7JOSNT43USPB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Acoustically-driven surface and hyperbolic plasmon-phonon polaritons in graphene/h-BN heterostructures on piezoelectric substrates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"2), 2) ((1) Instituto de Sistemas Optoelectr\\'onicos y Microtecnolog\\'ia, (2) Departamento de Ingenier\\'ia Electr\\'onica, (3) Instituto de Ciencia de Materiales de Madrid, 4), (4) Departamento de Ciencia de Materiales, A. Bosc\\'a (1, Canales y Puertos, Consejo Superior de Investigaciones Cient\\'ificas, E.T.S.I de Caminos, E.T.S.I de Telecomunicaci\\'on, F. Calle (1, J. Mart\\'inez (1, J. Pedr\\'os (1, J. Schiefele (3), R. Fandan (1, Universidad Polit\\'ecnica de Madrid, Universidad Polit\\'ecnica de Madrid)","submitted_at":"2018-05-23T15:55:31Z","abstract_excerpt":"Surface plasmon polaritons in graphene couple strongly to surface phonons in polar substrates leading to hybridized surface plasmon-phonon polaritons (SPPPs). We demonstrate that a surface acoustic wave (SAW) can be used to launch propagating SPPPs in graphene/h-BN heterostructures on a piezoelectric substrate like AlN, where the SAW-induced surface modulation acts as a dynamic diffraction grating. The efficiency of the light coupling is greatly enhanced by the introduction of the h-BN film as compared to the bare graphene/AlN system. The h-BN interlayer not only significantly changes the disp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.09241","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":"2026-05-18T00:15:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ZrJq6+uHOgVI4amiUfI5IFZgxWO2zBjJe0/OB6czKk1g8QPyxY54BPuya/pPhjnRQYfiNq7PvtJ/frOsduCDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T23:18:13.010616Z"},"content_sha256":"b66768e7c97579bfab191569b32b590de912aa42db0d373cf724df6e3f1b4d91","schema_version":"1.0","event_id":"sha256:b66768e7c97579bfab191569b32b590de912aa42db0d373cf724df6e3f1b4d91"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JXUQPSNMNDLXAE7JOSNT43USPB/bundle.json","state_url":"https://pith.science/pith/JXUQPSNMNDLXAE7JOSNT43USPB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JXUQPSNMNDLXAE7JOSNT43USPB/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":"2026-05-27T23:18:13Z","links":{"resolver":"https://pith.science/pith/JXUQPSNMNDLXAE7JOSNT43USPB","bundle":"https://pith.science/pith/JXUQPSNMNDLXAE7JOSNT43USPB/bundle.json","state":"https://pith.science/pith/JXUQPSNMNDLXAE7JOSNT43USPB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JXUQPSNMNDLXAE7JOSNT43USPB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:JXUQPSNMNDLXAE7JOSNT43USPB","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":"d5c5dc15aeefecd07b80978fde843f12fffef0ddf35f7c79c3b03d6e91670f63","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-05-23T15:55:31Z","title_canon_sha256":"aaeef1ddcbf585b39d5311c30bfb25cbc66d9c3adcec60aa666070bbe35f49de"},"schema_version":"1.0","source":{"id":"1805.09241","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1805.09241","created_at":"2026-05-18T00:15:08Z"},{"alias_kind":"arxiv_version","alias_value":"1805.09241v1","created_at":"2026-05-18T00:15:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1805.09241","created_at":"2026-05-18T00:15:08Z"},{"alias_kind":"pith_short_12","alias_value":"JXUQPSNMNDLX","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"JXUQPSNMNDLXAE7J","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"JXUQPSNM","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:b66768e7c97579bfab191569b32b590de912aa42db0d373cf724df6e3f1b4d91","target":"graph","created_at":"2026-05-18T00:15:08Z","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":"Surface plasmon polaritons in graphene couple strongly to surface phonons in polar substrates leading to hybridized surface plasmon-phonon polaritons (SPPPs). We demonstrate that a surface acoustic wave (SAW) can be used to launch propagating SPPPs in graphene/h-BN heterostructures on a piezoelectric substrate like AlN, where the SAW-induced surface modulation acts as a dynamic diffraction grating. The efficiency of the light coupling is greatly enhanced by the introduction of the h-BN film as compared to the bare graphene/AlN system. The h-BN interlayer not only significantly changes the disp","authors_text":"2), 2) ((1) Instituto de Sistemas Optoelectr\\'onicos y Microtecnolog\\'ia, (2) Departamento de Ingenier\\'ia Electr\\'onica, (3) Instituto de Ciencia de Materiales de Madrid, 4), (4) Departamento de Ciencia de Materiales, A. Bosc\\'a (1, Canales y Puertos, Consejo Superior de Investigaciones Cient\\'ificas, E.T.S.I de Caminos, E.T.S.I de Telecomunicaci\\'on, F. Calle (1, J. Mart\\'inez (1, J. Pedr\\'os (1, J. Schiefele (3), R. Fandan (1, Universidad Polit\\'ecnica de Madrid, Universidad Polit\\'ecnica de Madrid)","cross_cats":["cond-mat.mtrl-sci","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-05-23T15:55:31Z","title":"Acoustically-driven surface and hyperbolic plasmon-phonon polaritons in graphene/h-BN heterostructures on piezoelectric substrates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1805.09241","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":"sha256:7597d348c0cf4a035b04bd37ac0723d9b4cddd1afe99ef8e67626dd8d40a30a0","target":"record","created_at":"2026-05-18T00:15:08Z","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":"d5c5dc15aeefecd07b80978fde843f12fffef0ddf35f7c79c3b03d6e91670f63","cross_cats_sorted":["cond-mat.mtrl-sci","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-05-23T15:55:31Z","title_canon_sha256":"aaeef1ddcbf585b39d5311c30bfb25cbc66d9c3adcec60aa666070bbe35f49de"},"schema_version":"1.0","source":{"id":"1805.09241","kind":"arxiv","version":1}},"canonical_sha256":"4de907c9ac68d77013e9749b3e6e9278789d78ad5492db8eb5c39c79bf1ab514","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4de907c9ac68d77013e9749b3e6e9278789d78ad5492db8eb5c39c79bf1ab514","first_computed_at":"2026-05-18T00:15:08.178874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:08.178874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G4qD7M+qn8CwRmOmA+LeRqdyaj2YK2sxJCoov3PplDIZoLk5HLzCu1UB4CsZ9Q84UkuqUmxFlIgem5eLOo8fCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:08.179312Z","signed_message":"canonical_sha256_bytes"},"source_id":"1805.09241","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7597d348c0cf4a035b04bd37ac0723d9b4cddd1afe99ef8e67626dd8d40a30a0","sha256:b66768e7c97579bfab191569b32b590de912aa42db0d373cf724df6e3f1b4d91"],"state_sha256":"2ad03674af447364ac6cecba6d11636510505ffb75aae4dacd6946cbabad3ef6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SwdlQiAxCZVMNqFJyg+7cQ8WSYAcj8Ns0UyetA2+t7y7LqOwl316M7SIn+RKw4OZA3xeVL0CTRofKx9ztBubDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T23:18:13.013293Z","bundle_sha256":"7d893eedde93870929e316de6e64171d47e2ffee3cd2660a904d2678dbde2b33"}}