{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TB5ZE46V5XOQ3F2SH6PWEIUFTW","short_pith_number":"pith:TB5ZE46V","canonical_record":{"source":{"id":"1204.4053","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-18T11:44:42Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"a8efa6ee7e28b5928dc94250c255cc8e521b542bd9c56768c8bd57af120fcb7f","abstract_canon_sha256":"ffcbe7c4ab324de36462dd552c5f84c75d1d3e5244cbde7b4dc3d3a6cddf6747"},"schema_version":"1.0"},"canonical_sha256":"987b9273d5eddd0d97523f9f6222859dba605f67fb13ff8bed9e6aa5940afa47","source":{"kind":"arxiv","id":"1204.4053","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.4053","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"arxiv_version","alias_value":"1204.4053v2","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4053","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"pith_short_12","alias_value":"TB5ZE46V5XOQ","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TB5ZE46V5XOQ3F2S","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TB5ZE46V","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TB5ZE46V5XOQ3F2SH6PWEIUFTW","target":"record","payload":{"canonical_record":{"source":{"id":"1204.4053","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-18T11:44:42Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"a8efa6ee7e28b5928dc94250c255cc8e521b542bd9c56768c8bd57af120fcb7f","abstract_canon_sha256":"ffcbe7c4ab324de36462dd552c5f84c75d1d3e5244cbde7b4dc3d3a6cddf6747"},"schema_version":"1.0"},"canonical_sha256":"987b9273d5eddd0d97523f9f6222859dba605f67fb13ff8bed9e6aa5940afa47","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:16:27.303022Z","signature_b64":"QCv3Z/ekoPKILuttYFs8B5V60arnC0goE1YgfZA1W+LUufXwZTXwyF4S6s53LHuP0qkecM3cauiZijn9nckqBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"987b9273d5eddd0d97523f9f6222859dba605f67fb13ff8bed9e6aa5940afa47","last_reissued_at":"2026-05-18T03:16:27.302431Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:16:27.302431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.4053","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":"2026-05-18T03:16:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6E7DG3iVju/cFz6sZLWvykVfC8SS0IFGIlpnfqzM9B7vf8MgcKGcN3O9FK1Zkhk5MUqsYnIUK3g54x3plyZjCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:36:56.106376Z"},"content_sha256":"82be734a5fcd78e3f51b50551630453e0e19f0b4ee47905cf108658f0b640aed","schema_version":"1.0","event_id":"sha256:82be734a5fcd78e3f51b50551630453e0e19f0b4ee47905cf108658f0b640aed"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TB5ZE46V5XOQ3F2SH6PWEIUFTW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Terahertz lasing from intersubband polariton-polariton scattering in asymmetric quantum wells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Chris C. Phillips, Cristiano Ciuti, Simone De Liberato","submitted_at":"2012-04-18T11:44:42Z","abstract_excerpt":"Electric dipole transitions between different cavity polariton branches or between dressed atomic states with the same excitation number are strictly forbidden in centro-symmetric systems. For doped quantum wells in semiconductor microcavities, the strong coupling between an intersubband transition in the conduction band and a cavity mode produces two branches of intersubband cavity polaritons, whose normal-mode energy splitting is tunable and can be in the terahertz region. Here, we show that, by using asymmetric quantum wells, it is possible to have allowed dipolar transitions between differ"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4053","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":"2026-05-18T03:16:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q3qMDMDKc4dCNIl46xJChtTn3zHiqT4iBFTfdRuTmIEDnmRFanBbXzKcvQy1UJs2h6M4Inv9YNWfTvGNUl1pAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T09:36:56.106955Z"},"content_sha256":"2bfb6c3aed2aebcb086aad5c6c48322a6c71456d1b168daf8387b4fcad7ddb50","schema_version":"1.0","event_id":"sha256:2bfb6c3aed2aebcb086aad5c6c48322a6c71456d1b168daf8387b4fcad7ddb50"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TB5ZE46V5XOQ3F2SH6PWEIUFTW/bundle.json","state_url":"https://pith.science/pith/TB5ZE46V5XOQ3F2SH6PWEIUFTW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TB5ZE46V5XOQ3F2SH6PWEIUFTW/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":"2026-05-31T09:36:56Z","links":{"resolver":"https://pith.science/pith/TB5ZE46V5XOQ3F2SH6PWEIUFTW","bundle":"https://pith.science/pith/TB5ZE46V5XOQ3F2SH6PWEIUFTW/bundle.json","state":"https://pith.science/pith/TB5ZE46V5XOQ3F2SH6PWEIUFTW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TB5ZE46V5XOQ3F2SH6PWEIUFTW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TB5ZE46V5XOQ3F2SH6PWEIUFTW","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":"ffcbe7c4ab324de36462dd552c5f84c75d1d3e5244cbde7b4dc3d3a6cddf6747","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-18T11:44:42Z","title_canon_sha256":"a8efa6ee7e28b5928dc94250c255cc8e521b542bd9c56768c8bd57af120fcb7f"},"schema_version":"1.0","source":{"id":"1204.4053","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.4053","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"arxiv_version","alias_value":"1204.4053v2","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.4053","created_at":"2026-05-18T03:16:27Z"},{"alias_kind":"pith_short_12","alias_value":"TB5ZE46V5XOQ","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TB5ZE46V5XOQ3F2S","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TB5ZE46V","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:2bfb6c3aed2aebcb086aad5c6c48322a6c71456d1b168daf8387b4fcad7ddb50","target":"graph","created_at":"2026-05-18T03:16:27Z","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":"Electric dipole transitions between different cavity polariton branches or between dressed atomic states with the same excitation number are strictly forbidden in centro-symmetric systems. For doped quantum wells in semiconductor microcavities, the strong coupling between an intersubband transition in the conduction band and a cavity mode produces two branches of intersubband cavity polaritons, whose normal-mode energy splitting is tunable and can be in the terahertz region. Here, we show that, by using asymmetric quantum wells, it is possible to have allowed dipolar transitions between differ","authors_text":"Chris C. Phillips, Cristiano Ciuti, Simone De Liberato","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-18T11:44:42Z","title":"Terahertz lasing from intersubband polariton-polariton scattering in asymmetric quantum wells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.4053","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":"sha256:82be734a5fcd78e3f51b50551630453e0e19f0b4ee47905cf108658f0b640aed","target":"record","created_at":"2026-05-18T03:16:27Z","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":"ffcbe7c4ab324de36462dd552c5f84c75d1d3e5244cbde7b4dc3d3a6cddf6747","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-04-18T11:44:42Z","title_canon_sha256":"a8efa6ee7e28b5928dc94250c255cc8e521b542bd9c56768c8bd57af120fcb7f"},"schema_version":"1.0","source":{"id":"1204.4053","kind":"arxiv","version":2}},"canonical_sha256":"987b9273d5eddd0d97523f9f6222859dba605f67fb13ff8bed9e6aa5940afa47","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"987b9273d5eddd0d97523f9f6222859dba605f67fb13ff8bed9e6aa5940afa47","first_computed_at":"2026-05-18T03:16:27.302431Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:16:27.302431Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QCv3Z/ekoPKILuttYFs8B5V60arnC0goE1YgfZA1W+LUufXwZTXwyF4S6s53LHuP0qkecM3cauiZijn9nckqBw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:16:27.303022Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.4053","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82be734a5fcd78e3f51b50551630453e0e19f0b4ee47905cf108658f0b640aed","sha256:2bfb6c3aed2aebcb086aad5c6c48322a6c71456d1b168daf8387b4fcad7ddb50"],"state_sha256":"ebd4f8f8888afdd9953f340057af39b03bacbfc796a3ec21f4b955caf479e28f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jLYewrs1jLd3Tynh/64FPQkL0rPDJSHho18wKvIVLc3Xmsw0VFwhNkrbgU8jyJzofHf4qa+F4Ie2N2TPKTkQBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T09:36:56.110138Z","bundle_sha256":"b6da555d14e0fbd64541ce0536ba26fd9de93bad5b797491e3f50d21b5cbf7ba"}}