{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:SOD5WNMDSE2J6W35XAUDLHFHC7","short_pith_number":"pith:SOD5WNMD","canonical_record":{"source":{"id":"1302.2980","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-13T04:51:36Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"5e052f0b2a67b4527887066a8de2ced9d5eb6dd05a3689bd72a5584be9cd43cf","abstract_canon_sha256":"ee8fb2af261b4925465704ddad521b885a927a78d15971890ade2f1a17aeb514"},"schema_version":"1.0"},"canonical_sha256":"9387db358391349f5b7db828359ca717dd069d7a65dc63d72c085c233bccbb4d","source":{"kind":"arxiv","id":"1302.2980","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.2980","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"arxiv_version","alias_value":"1302.2980v2","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2980","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"pith_short_12","alias_value":"SOD5WNMDSE2J","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SOD5WNMDSE2J6W35","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SOD5WNMD","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:SOD5WNMDSE2J6W35XAUDLHFHC7","target":"record","payload":{"canonical_record":{"source":{"id":"1302.2980","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-13T04:51:36Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"5e052f0b2a67b4527887066a8de2ced9d5eb6dd05a3689bd72a5584be9cd43cf","abstract_canon_sha256":"ee8fb2af261b4925465704ddad521b885a927a78d15971890ade2f1a17aeb514"},"schema_version":"1.0"},"canonical_sha256":"9387db358391349f5b7db828359ca717dd069d7a65dc63d72c085c233bccbb4d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:54:41.948106Z","signature_b64":"Ep879UynVEuQ+eWmZXJkzOKRAefIk67NNozqKUY8AB9SIiRRUAc5iz0xO9+ugPOKTTmW4jgV3rxYqCYJ1Bc+Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9387db358391349f5b7db828359ca717dd069d7a65dc63d72c085c233bccbb4d","last_reissued_at":"2026-05-18T00:54:41.947619Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:54:41.947619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.2980","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":"2026-05-18T00:54:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HZfUMB+f+S1xzYCmkcN3RpyN5J3zFSuNY1+7sNV4WUnpm462QDApMRIp4S0LrIpbl/+AtxjMt3jgU671rpuOAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:16:56.074194Z"},"content_sha256":"e66258604b6b9952cf414241b0522534098f83f64c000029d78864ce07278800","schema_version":"1.0","event_id":"sha256:e66258604b6b9952cf414241b0522534098f83f64c000029d78864ce07278800"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:SOD5WNMDSE2J6W35XAUDLHFHC7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlinear Effects in Multi-Photon Polaritonics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"cond-mat.mes-hall","authors_text":"A.A. Pervishko, I. A. Shelykh, I. G. Savenko, T.C.H. Liew, V. M. Kovalev","submitted_at":"2013-02-13T04:51:36Z","abstract_excerpt":"We consider theoretically nonlinear effects in a semiconductor quantum well embedded inside a photonic microcavity. Two-photon absorption by a 2p exciton state is considered and investigated; the matrix element of two-photon absorption is calculated. We compute the emission spectrum of the sample and demonstrate that under coherent pumping the nonlinearity of the two photon absorption process gives rise to bistability."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2980","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":"2026-05-18T00:54:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3im/SYQpPWmMvrHfl6vI/aLKkwY04j3nBgKAnCjchgu86i477uXINFKe23PzsHYw4BD/iYzRWOhhy1FoKPKcDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T08:16:56.074861Z"},"content_sha256":"dcd6f2271b30c28182b122b9663e91634301e4c357c02393c4138a672fbaaf71","schema_version":"1.0","event_id":"sha256:dcd6f2271b30c28182b122b9663e91634301e4c357c02393c4138a672fbaaf71"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SOD5WNMDSE2J6W35XAUDLHFHC7/bundle.json","state_url":"https://pith.science/pith/SOD5WNMDSE2J6W35XAUDLHFHC7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SOD5WNMDSE2J6W35XAUDLHFHC7/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":"2026-05-31T08:16:56Z","links":{"resolver":"https://pith.science/pith/SOD5WNMDSE2J6W35XAUDLHFHC7","bundle":"https://pith.science/pith/SOD5WNMDSE2J6W35XAUDLHFHC7/bundle.json","state":"https://pith.science/pith/SOD5WNMDSE2J6W35XAUDLHFHC7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SOD5WNMDSE2J6W35XAUDLHFHC7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:SOD5WNMDSE2J6W35XAUDLHFHC7","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":"ee8fb2af261b4925465704ddad521b885a927a78d15971890ade2f1a17aeb514","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-13T04:51:36Z","title_canon_sha256":"5e052f0b2a67b4527887066a8de2ced9d5eb6dd05a3689bd72a5584be9cd43cf"},"schema_version":"1.0","source":{"id":"1302.2980","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.2980","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"arxiv_version","alias_value":"1302.2980v2","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2980","created_at":"2026-05-18T00:54:41Z"},{"alias_kind":"pith_short_12","alias_value":"SOD5WNMDSE2J","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"SOD5WNMDSE2J6W35","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"SOD5WNMD","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:dcd6f2271b30c28182b122b9663e91634301e4c357c02393c4138a672fbaaf71","target":"graph","created_at":"2026-05-18T00:54:41Z","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":"We consider theoretically nonlinear effects in a semiconductor quantum well embedded inside a photonic microcavity. Two-photon absorption by a 2p exciton state is considered and investigated; the matrix element of two-photon absorption is calculated. We compute the emission spectrum of the sample and demonstrate that under coherent pumping the nonlinearity of the two photon absorption process gives rise to bistability.","authors_text":"A.A. Pervishko, I. A. Shelykh, I. G. Savenko, T.C.H. Liew, V. M. Kovalev","cross_cats":["cond-mat.other"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-13T04:51:36Z","title":"Nonlinear Effects in Multi-Photon Polaritonics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2980","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:e66258604b6b9952cf414241b0522534098f83f64c000029d78864ce07278800","target":"record","created_at":"2026-05-18T00:54:41Z","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":"ee8fb2af261b4925465704ddad521b885a927a78d15971890ade2f1a17aeb514","cross_cats_sorted":["cond-mat.other"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-02-13T04:51:36Z","title_canon_sha256":"5e052f0b2a67b4527887066a8de2ced9d5eb6dd05a3689bd72a5584be9cd43cf"},"schema_version":"1.0","source":{"id":"1302.2980","kind":"arxiv","version":2}},"canonical_sha256":"9387db358391349f5b7db828359ca717dd069d7a65dc63d72c085c233bccbb4d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9387db358391349f5b7db828359ca717dd069d7a65dc63d72c085c233bccbb4d","first_computed_at":"2026-05-18T00:54:41.947619Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:54:41.947619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ep879UynVEuQ+eWmZXJkzOKRAefIk67NNozqKUY8AB9SIiRRUAc5iz0xO9+ugPOKTTmW4jgV3rxYqCYJ1Bc+Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:54:41.948106Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.2980","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e66258604b6b9952cf414241b0522534098f83f64c000029d78864ce07278800","sha256:dcd6f2271b30c28182b122b9663e91634301e4c357c02393c4138a672fbaaf71"],"state_sha256":"a5cebde17ecf0460c09384e8be142b658545f11dc7aaa7e9666e0f5abb652341"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"K9V06Swq8XPUoPqy2i70JMJuL9z7D72YO5WnZbEqiA1iiLPEZu1WA9g0fVw50iIlBHTbY8lF/JDSmE7ga2xgBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T08:16:56.078084Z","bundle_sha256":"33601217b9ef59157d32d5957072657ed9eab56c8ea6779ee5d309221198de24"}}