{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:T5Z7UROP5WSIIH5UXWAS2N6LQI","short_pith_number":"pith:T5Z7UROP","canonical_record":{"source":{"id":"1904.06670","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-14T10:10:00Z","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"title_canon_sha256":"9d191769eb6b0f85d4757243f79137883ae128d1616e7770b4142440b04dead6","abstract_canon_sha256":"6187953a0cfbc369d3323ac1a8b1185f1ab99c6725777c1c241a236c81447e1c"},"schema_version":"1.0"},"canonical_sha256":"9f73fa45cfeda4841fb4bd812d37cb82036f7dc3c41f0cc35160d2c04a2114a7","source":{"kind":"arxiv","id":"1904.06670","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.06670","created_at":"2026-05-17T23:48:36Z"},{"alias_kind":"arxiv_version","alias_value":"1904.06670v1","created_at":"2026-05-17T23:48:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06670","created_at":"2026-05-17T23:48:36Z"},{"alias_kind":"pith_short_12","alias_value":"T5Z7UROP5WSI","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"T5Z7UROP5WSIIH5U","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"T5Z7UROP","created_at":"2026-05-18T12:33:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:T5Z7UROP5WSIIH5UXWAS2N6LQI","target":"record","payload":{"canonical_record":{"source":{"id":"1904.06670","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-14T10:10:00Z","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"title_canon_sha256":"9d191769eb6b0f85d4757243f79137883ae128d1616e7770b4142440b04dead6","abstract_canon_sha256":"6187953a0cfbc369d3323ac1a8b1185f1ab99c6725777c1c241a236c81447e1c"},"schema_version":"1.0"},"canonical_sha256":"9f73fa45cfeda4841fb4bd812d37cb82036f7dc3c41f0cc35160d2c04a2114a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:48:36.566021Z","signature_b64":"bCzdPnzD1pl/2Awy1qBvqsaUofs4Pzth3eWd/IjcL3kC6qjm9lPd+tfjq8z2R0zhXHom1XuWTmAqdQKg2aFTBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f73fa45cfeda4841fb4bd812d37cb82036f7dc3c41f0cc35160d2c04a2114a7","last_reissued_at":"2026-05-17T23:48:36.565502Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:48:36.565502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1904.06670","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":"2026-05-17T23:48:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eF6CgEBW9SWRNweoevAP+bPWIw8IgAv0cQtF3Lb7NK7Z2kp78ouBp/rLAaJ3QtwGy/9PBkSLh2OJgaFm7Pe9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T13:55:51.462175Z"},"content_sha256":"bc4aa7425ef0eff09282e730f0d05530e4a5e6f8e092e7509319b4d6e7140744","schema_version":"1.0","event_id":"sha256:bc4aa7425ef0eff09282e730f0d05530e4a5e6f8e092e7509319b4d6e7140744"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:T5Z7UROP5WSIIH5UXWAS2N6LQI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ultra-Strong Light-Matter Coupling in Deeply Subwavelength THz LC resonators","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["cond-mat.quant-gas","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexander Giles Davies, Angela Vasanelli, Carlo Sirtori, Djamal Gacemi, Edmund Linfield, Giacomo Mariotti Nesurini, Lianhe Li, Mathieu Jeannin, St\\'ephan Suffit, Yanko Todorov","submitted_at":"2019-04-14T10:10:00Z","abstract_excerpt":"The ultra-strong light-matter coupling regime has been demonstrated in a novel three-dimensional inductor-capacitor (LC) circuit resonator, embedding a semiconductor two-dimensional electron gas in the capacitive part. The fundamental resonance of the LC circuit interacts with the intersubband plasmon excitation of the electron gas at $\\omega_c = 3.3$~THz with a normalized coupling strength $2\\Omega_R/\\omega_c = 0.27$. Light matter interaction is driven by the quasi-static electric field in the capacitors, and takes place in a highly subwavelength effective volume $V_{\\mathrm{eff}} = 10^{-6}\\l"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06670","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":"2026-05-17T23:48:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WZlmwKJ40E0NzrUdQUGKFBuxK5JfStfOe2l9Xu52Z6X30ZJPzv3/qgeksLC5b5kWyFx3VbAgZ928DNi9UIlpCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T13:55:51.462547Z"},"content_sha256":"7e2a278c4abb2db157e5d246013804410c876b26b69e7d6a8865efccc587f9a8","schema_version":"1.0","event_id":"sha256:7e2a278c4abb2db157e5d246013804410c876b26b69e7d6a8865efccc587f9a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T5Z7UROP5WSIIH5UXWAS2N6LQI/bundle.json","state_url":"https://pith.science/pith/T5Z7UROP5WSIIH5UXWAS2N6LQI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T5Z7UROP5WSIIH5UXWAS2N6LQI/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":"2026-06-03T13:55:51Z","links":{"resolver":"https://pith.science/pith/T5Z7UROP5WSIIH5UXWAS2N6LQI","bundle":"https://pith.science/pith/T5Z7UROP5WSIIH5UXWAS2N6LQI/bundle.json","state":"https://pith.science/pith/T5Z7UROP5WSIIH5UXWAS2N6LQI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T5Z7UROP5WSIIH5UXWAS2N6LQI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:T5Z7UROP5WSIIH5UXWAS2N6LQI","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":"6187953a0cfbc369d3323ac1a8b1185f1ab99c6725777c1c241a236c81447e1c","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-14T10:10:00Z","title_canon_sha256":"9d191769eb6b0f85d4757243f79137883ae128d1616e7770b4142440b04dead6"},"schema_version":"1.0","source":{"id":"1904.06670","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1904.06670","created_at":"2026-05-17T23:48:36Z"},{"alias_kind":"arxiv_version","alias_value":"1904.06670v1","created_at":"2026-05-17T23:48:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1904.06670","created_at":"2026-05-17T23:48:36Z"},{"alias_kind":"pith_short_12","alias_value":"T5Z7UROP5WSI","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_16","alias_value":"T5Z7UROP5WSIIH5U","created_at":"2026-05-18T12:33:27Z"},{"alias_kind":"pith_short_8","alias_value":"T5Z7UROP","created_at":"2026-05-18T12:33:27Z"}],"graph_snapshots":[{"event_id":"sha256:7e2a278c4abb2db157e5d246013804410c876b26b69e7d6a8865efccc587f9a8","target":"graph","created_at":"2026-05-17T23:48:36Z","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":"The ultra-strong light-matter coupling regime has been demonstrated in a novel three-dimensional inductor-capacitor (LC) circuit resonator, embedding a semiconductor two-dimensional electron gas in the capacitive part. The fundamental resonance of the LC circuit interacts with the intersubband plasmon excitation of the electron gas at $\\omega_c = 3.3$~THz with a normalized coupling strength $2\\Omega_R/\\omega_c = 0.27$. Light matter interaction is driven by the quasi-static electric field in the capacitors, and takes place in a highly subwavelength effective volume $V_{\\mathrm{eff}} = 10^{-6}\\l","authors_text":"Alexander Giles Davies, Angela Vasanelli, Carlo Sirtori, Djamal Gacemi, Edmund Linfield, Giacomo Mariotti Nesurini, Lianhe Li, Mathieu Jeannin, St\\'ephan Suffit, Yanko Todorov","cross_cats":["cond-mat.quant-gas","quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-14T10:10:00Z","title":"Ultra-Strong Light-Matter Coupling in Deeply Subwavelength THz LC resonators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1904.06670","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:bc4aa7425ef0eff09282e730f0d05530e4a5e6f8e092e7509319b4d6e7140744","target":"record","created_at":"2026-05-17T23:48:36Z","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":"6187953a0cfbc369d3323ac1a8b1185f1ab99c6725777c1c241a236c81447e1c","cross_cats_sorted":["cond-mat.quant-gas","quant-ph"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-04-14T10:10:00Z","title_canon_sha256":"9d191769eb6b0f85d4757243f79137883ae128d1616e7770b4142440b04dead6"},"schema_version":"1.0","source":{"id":"1904.06670","kind":"arxiv","version":1}},"canonical_sha256":"9f73fa45cfeda4841fb4bd812d37cb82036f7dc3c41f0cc35160d2c04a2114a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f73fa45cfeda4841fb4bd812d37cb82036f7dc3c41f0cc35160d2c04a2114a7","first_computed_at":"2026-05-17T23:48:36.565502Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:48:36.565502Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bCzdPnzD1pl/2Awy1qBvqsaUofs4Pzth3eWd/IjcL3kC6qjm9lPd+tfjq8z2R0zhXHom1XuWTmAqdQKg2aFTBw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:48:36.566021Z","signed_message":"canonical_sha256_bytes"},"source_id":"1904.06670","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc4aa7425ef0eff09282e730f0d05530e4a5e6f8e092e7509319b4d6e7140744","sha256:7e2a278c4abb2db157e5d246013804410c876b26b69e7d6a8865efccc587f9a8"],"state_sha256":"d2bd0b6767de9fd0ab1b3f32a7d957cda122467fc8ddfb7f798f90cd059e97c1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WTYlqSWnNICUDpsD0tkVoac62kJgKQ0VK1txqmmH7+hwNc2AUCZ3v7ib4ScvFN/ZXUJlFwNfnS/UrmLHOX7CDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T13:55:51.464492Z","bundle_sha256":"47b3a818e6c89d6c78a771618f1818e97ce61d08cc753f7dda6e1de13cd5cce7"}}