{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:QGGVDOBDDFGBM4LMUMBR2PG6YZ","short_pith_number":"pith:QGGVDOBD","canonical_record":{"source":{"id":"0907.2813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-07-16T11:49:02Z","cross_cats_sorted":[],"title_canon_sha256":"7635aeebc6201d971c5821debabce6484369d1ea98f931be58ca90e6fa112504","abstract_canon_sha256":"f4f402e459c9e16b60c119d0a0b203419b4840aa33f886d0397d6626005e31d2"},"schema_version":"1.0"},"canonical_sha256":"818d51b823194c16716ca3031d3cdec67f3d8898e4a7e98dffde233411690035","source":{"kind":"arxiv","id":"0907.2813","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.2813","created_at":"2026-05-18T03:42:32Z"},{"alias_kind":"arxiv_version","alias_value":"0907.2813v1","created_at":"2026-05-18T03:42:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.2813","created_at":"2026-05-18T03:42:32Z"},{"alias_kind":"pith_short_12","alias_value":"QGGVDOBDDFGB","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QGGVDOBDDFGBM4LM","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QGGVDOBD","created_at":"2026-05-18T12:26:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:QGGVDOBDDFGBM4LMUMBR2PG6YZ","target":"record","payload":{"canonical_record":{"source":{"id":"0907.2813","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-07-16T11:49:02Z","cross_cats_sorted":[],"title_canon_sha256":"7635aeebc6201d971c5821debabce6484369d1ea98f931be58ca90e6fa112504","abstract_canon_sha256":"f4f402e459c9e16b60c119d0a0b203419b4840aa33f886d0397d6626005e31d2"},"schema_version":"1.0"},"canonical_sha256":"818d51b823194c16716ca3031d3cdec67f3d8898e4a7e98dffde233411690035","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:42:32.484692Z","signature_b64":"0yAux7bVNXioPwm7cobubLug7J4spiWuKKcla/lTkPblttp8oFFECOv5QAYqeTynjrPkgqEPaiZhB45zd/L2Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"818d51b823194c16716ca3031d3cdec67f3d8898e4a7e98dffde233411690035","last_reissued_at":"2026-05-18T03:42:32.484122Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:42:32.484122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.2813","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":"2026-05-18T03:42:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z6ZhuwEr+QSor0aQ0PlHOKxfdm3tcW+ESZ7UMt5Fjk8YeMDJQR02aWcQ55Zb4pMMby+h9P05Z0D8pho8/7FSBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T16:15:48.151912Z"},"content_sha256":"506d8f288e7c8d7bc711711f85c18ec0f0849ced038feea3fd60cff62c57edf9","schema_version":"1.0","event_id":"sha256:506d8f288e7c8d7bc711711f85c18ec0f0849ced038feea3fd60cff62c57edf9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:QGGVDOBDDFGBM4LMUMBR2PG6YZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exciton polaritons in two-dimensional photonic crystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"Aristide Lema\\^itre, Audrey Miard, Daniele Bajoni, Dario Gerace, Isabelle Sagnes, Jacqueline Bloch, Lucio Claudio Andreani, Maddalena Patrini, Matteo Galli, Remy Braive","submitted_at":"2009-07-16T11:49:02Z","abstract_excerpt":"Experimental evidence of strong coupling between excitons confined in a quantum well and the photonic modes of a two-dimensional dielectric lattice is reported. Both resonant scattering and photoluminescence spectra at low temperature show the anticrossing of the polariton branches, fingerprint of strong coupling regime. The experiments are successfully interpreted in terms of a quantum theory of exciton-photon coupling in the investigated structure. These results show that the polariton dispersion can be tailored by properly varying the photonic crystal lattice parameter, which opens the poss"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.2813","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":"2026-05-18T03:42:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JJgbsY21eQ1ImDvrYkhHtah9+EaNFDcHFagQwL7YUvm5HAYh7T6iNiEflRk0TCLMGmF/dLP2YufGihaWfcsdBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T16:15:48.152257Z"},"content_sha256":"ab5d78fa8f5671ee0474e8c6ea35808149705d64b714efad7de126a4645f30b7","schema_version":"1.0","event_id":"sha256:ab5d78fa8f5671ee0474e8c6ea35808149705d64b714efad7de126a4645f30b7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QGGVDOBDDFGBM4LMUMBR2PG6YZ/bundle.json","state_url":"https://pith.science/pith/QGGVDOBDDFGBM4LMUMBR2PG6YZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QGGVDOBDDFGBM4LMUMBR2PG6YZ/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":"2026-06-02T16:15:48Z","links":{"resolver":"https://pith.science/pith/QGGVDOBDDFGBM4LMUMBR2PG6YZ","bundle":"https://pith.science/pith/QGGVDOBDDFGBM4LMUMBR2PG6YZ/bundle.json","state":"https://pith.science/pith/QGGVDOBDDFGBM4LMUMBR2PG6YZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QGGVDOBDDFGBM4LMUMBR2PG6YZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:QGGVDOBDDFGBM4LMUMBR2PG6YZ","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":"f4f402e459c9e16b60c119d0a0b203419b4840aa33f886d0397d6626005e31d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-07-16T11:49:02Z","title_canon_sha256":"7635aeebc6201d971c5821debabce6484369d1ea98f931be58ca90e6fa112504"},"schema_version":"1.0","source":{"id":"0907.2813","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.2813","created_at":"2026-05-18T03:42:32Z"},{"alias_kind":"arxiv_version","alias_value":"0907.2813v1","created_at":"2026-05-18T03:42:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.2813","created_at":"2026-05-18T03:42:32Z"},{"alias_kind":"pith_short_12","alias_value":"QGGVDOBDDFGB","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_16","alias_value":"QGGVDOBDDFGBM4LM","created_at":"2026-05-18T12:26:01Z"},{"alias_kind":"pith_short_8","alias_value":"QGGVDOBD","created_at":"2026-05-18T12:26:01Z"}],"graph_snapshots":[{"event_id":"sha256:ab5d78fa8f5671ee0474e8c6ea35808149705d64b714efad7de126a4645f30b7","target":"graph","created_at":"2026-05-18T03:42:32Z","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":"Experimental evidence of strong coupling between excitons confined in a quantum well and the photonic modes of a two-dimensional dielectric lattice is reported. Both resonant scattering and photoluminescence spectra at low temperature show the anticrossing of the polariton branches, fingerprint of strong coupling regime. The experiments are successfully interpreted in terms of a quantum theory of exciton-photon coupling in the investigated structure. These results show that the polariton dispersion can be tailored by properly varying the photonic crystal lattice parameter, which opens the poss","authors_text":"Aristide Lema\\^itre, Audrey Miard, Daniele Bajoni, Dario Gerace, Isabelle Sagnes, Jacqueline Bloch, Lucio Claudio Andreani, Maddalena Patrini, Matteo Galli, Remy Braive","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-07-16T11:49:02Z","title":"Exciton polaritons in two-dimensional photonic crystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.2813","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":"sha256:506d8f288e7c8d7bc711711f85c18ec0f0849ced038feea3fd60cff62c57edf9","target":"record","created_at":"2026-05-18T03:42:32Z","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":"f4f402e459c9e16b60c119d0a0b203419b4840aa33f886d0397d6626005e31d2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2009-07-16T11:49:02Z","title_canon_sha256":"7635aeebc6201d971c5821debabce6484369d1ea98f931be58ca90e6fa112504"},"schema_version":"1.0","source":{"id":"0907.2813","kind":"arxiv","version":1}},"canonical_sha256":"818d51b823194c16716ca3031d3cdec67f3d8898e4a7e98dffde233411690035","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"818d51b823194c16716ca3031d3cdec67f3d8898e4a7e98dffde233411690035","first_computed_at":"2026-05-18T03:42:32.484122Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:42:32.484122Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0yAux7bVNXioPwm7cobubLug7J4spiWuKKcla/lTkPblttp8oFFECOv5QAYqeTynjrPkgqEPaiZhB45zd/L2Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:42:32.484692Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.2813","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:506d8f288e7c8d7bc711711f85c18ec0f0849ced038feea3fd60cff62c57edf9","sha256:ab5d78fa8f5671ee0474e8c6ea35808149705d64b714efad7de126a4645f30b7"],"state_sha256":"d7c6889359aecc610e712f67fd1781f4c60c3377d3cdf955aa9335132e8e3790"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ykZT5vrJMNLplHRkh/t/59Wh0zcTPxm4RcyJKpxQwkcNjrQpNJ/6+a0IKQp/eL0NS7HB/B3ejHcbASYf+GNODQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T16:15:48.154182Z","bundle_sha256":"ea9ba0024c9c16a90c03f5501964dfc6b6730b607cee6eba2615ef3effb43e1d"}}