{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:7FUAHLTWEKNBROZ6G5XP7FHDI6","short_pith_number":"pith:7FUAHLTW","canonical_record":{"source":{"id":"0911.1139","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-11-05T21:56:11Z","cross_cats_sorted":[],"title_canon_sha256":"13bb8787b08f1bc6397cd28ae348abf27a934fb159c0b53f7baed841193b97a7","abstract_canon_sha256":"df09f2b9a50a45a233520e4ef79f3f5e4b91959e6ebc56a26ddc12b990c1c084"},"schema_version":"1.0"},"canonical_sha256":"f96803ae76229a18bb3e376eff94e347ab0b3ffe1fca0ec12b8c6a099573b3bb","source":{"kind":"arxiv","id":"0911.1139","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.1139","created_at":"2026-05-18T04:41:44Z"},{"alias_kind":"arxiv_version","alias_value":"0911.1139v3","created_at":"2026-05-18T04:41:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.1139","created_at":"2026-05-18T04:41:44Z"},{"alias_kind":"pith_short_12","alias_value":"7FUAHLTWEKNB","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"7FUAHLTWEKNBROZ6","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"7FUAHLTW","created_at":"2026-05-18T12:25:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:7FUAHLTWEKNBROZ6G5XP7FHDI6","target":"record","payload":{"canonical_record":{"source":{"id":"0911.1139","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-11-05T21:56:11Z","cross_cats_sorted":[],"title_canon_sha256":"13bb8787b08f1bc6397cd28ae348abf27a934fb159c0b53f7baed841193b97a7","abstract_canon_sha256":"df09f2b9a50a45a233520e4ef79f3f5e4b91959e6ebc56a26ddc12b990c1c084"},"schema_version":"1.0"},"canonical_sha256":"f96803ae76229a18bb3e376eff94e347ab0b3ffe1fca0ec12b8c6a099573b3bb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:44.046512Z","signature_b64":"uxlzfMZnHMVTaBt9+Rt8txLqRiAoXeAIDZB2SSR9kNyqoIgLfATgVf3M6R18m+MTmiOgZSENvzPcuI9HB4vnCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f96803ae76229a18bb3e376eff94e347ab0b3ffe1fca0ec12b8c6a099573b3bb","last_reissued_at":"2026-05-18T04:41:44.045916Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:44.045916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0911.1139","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:41:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LEecXv5XywmJdp1HoaRW07+Kg/WhO99mdIPY1oE3YdAd7RZSxY8CmquKr30l0I0xDW21hTNDvPP2iC3+3JHtDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T15:55:02.781023Z"},"content_sha256":"6d4a0f24fc14b40622dd6744c6f3dd067ed884f8499e5e01c3a71d35368e3f08","schema_version":"1.0","event_id":"sha256:6d4a0f24fc14b40622dd6744c6f3dd067ed884f8499e5e01c3a71d35368e3f08"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:7FUAHLTWEKNBROZ6G5XP7FHDI6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exciton scattering model of carrier multiplication in semiconductor nanocrystals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Andrei Piryatinski, Kirill A. Velizhanin","submitted_at":"2009-11-05T21:56:11Z","abstract_excerpt":"The effect of carrier multiplication (CM) in semiconductor nanocrystals is systematically treated by employing an exciton scattering approach. Using projection operators, we reduce the Coulomb coupled multi-exciton dynamics to scattering dynamics in the space spanning both single- and bi-exciton states. We derive a closed set of equations determining the scattering matrix elements. This allows us to interpret CM dynamics as a series of odd-order interband scattering events. Using the time-dependent density matrix formalism, we provide a rigorous description of the CM dynamics induced by a fini"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.1139","kind":"arxiv","version":3},"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":"2026-05-18T04:41:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aBsdXnR5AUov7B0ZR9Ke3uSgRZ0aKItUTWOqefOQu+vcxlVS8vSTVagkH9MZpUc9zONzupR9RyfNZFjtkxbRBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T15:55:02.781378Z"},"content_sha256":"26fcce7c064e71202e2057f6ced3f816573656cf589df8ad62fb4690125742c3","schema_version":"1.0","event_id":"sha256:26fcce7c064e71202e2057f6ced3f816573656cf589df8ad62fb4690125742c3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7FUAHLTWEKNBROZ6G5XP7FHDI6/bundle.json","state_url":"https://pith.science/pith/7FUAHLTWEKNBROZ6G5XP7FHDI6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7FUAHLTWEKNBROZ6G5XP7FHDI6/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":"2026-06-22T15:55:02Z","links":{"resolver":"https://pith.science/pith/7FUAHLTWEKNBROZ6G5XP7FHDI6","bundle":"https://pith.science/pith/7FUAHLTWEKNBROZ6G5XP7FHDI6/bundle.json","state":"https://pith.science/pith/7FUAHLTWEKNBROZ6G5XP7FHDI6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7FUAHLTWEKNBROZ6G5XP7FHDI6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:7FUAHLTWEKNBROZ6G5XP7FHDI6","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":"df09f2b9a50a45a233520e4ef79f3f5e4b91959e6ebc56a26ddc12b990c1c084","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-11-05T21:56:11Z","title_canon_sha256":"13bb8787b08f1bc6397cd28ae348abf27a934fb159c0b53f7baed841193b97a7"},"schema_version":"1.0","source":{"id":"0911.1139","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.1139","created_at":"2026-05-18T04:41:44Z"},{"alias_kind":"arxiv_version","alias_value":"0911.1139v3","created_at":"2026-05-18T04:41:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.1139","created_at":"2026-05-18T04:41:44Z"},{"alias_kind":"pith_short_12","alias_value":"7FUAHLTWEKNB","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_16","alias_value":"7FUAHLTWEKNBROZ6","created_at":"2026-05-18T12:25:58Z"},{"alias_kind":"pith_short_8","alias_value":"7FUAHLTW","created_at":"2026-05-18T12:25:58Z"}],"graph_snapshots":[{"event_id":"sha256:26fcce7c064e71202e2057f6ced3f816573656cf589df8ad62fb4690125742c3","target":"graph","created_at":"2026-05-18T04:41:44Z","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 effect of carrier multiplication (CM) in semiconductor nanocrystals is systematically treated by employing an exciton scattering approach. Using projection operators, we reduce the Coulomb coupled multi-exciton dynamics to scattering dynamics in the space spanning both single- and bi-exciton states. We derive a closed set of equations determining the scattering matrix elements. This allows us to interpret CM dynamics as a series of odd-order interband scattering events. Using the time-dependent density matrix formalism, we provide a rigorous description of the CM dynamics induced by a fini","authors_text":"Andrei Piryatinski, Kirill A. Velizhanin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-11-05T21:56:11Z","title":"Exciton scattering model of carrier multiplication in semiconductor nanocrystals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.1139","kind":"arxiv","version":3},"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":"sha256:6d4a0f24fc14b40622dd6744c6f3dd067ed884f8499e5e01c3a71d35368e3f08","target":"record","created_at":"2026-05-18T04:41:44Z","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":"df09f2b9a50a45a233520e4ef79f3f5e4b91959e6ebc56a26ddc12b990c1c084","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-11-05T21:56:11Z","title_canon_sha256":"13bb8787b08f1bc6397cd28ae348abf27a934fb159c0b53f7baed841193b97a7"},"schema_version":"1.0","source":{"id":"0911.1139","kind":"arxiv","version":3}},"canonical_sha256":"f96803ae76229a18bb3e376eff94e347ab0b3ffe1fca0ec12b8c6a099573b3bb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f96803ae76229a18bb3e376eff94e347ab0b3ffe1fca0ec12b8c6a099573b3bb","first_computed_at":"2026-05-18T04:41:44.045916Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:41:44.045916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uxlzfMZnHMVTaBt9+Rt8txLqRiAoXeAIDZB2SSR9kNyqoIgLfATgVf3M6R18m+MTmiOgZSENvzPcuI9HB4vnCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:41:44.046512Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.1139","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6d4a0f24fc14b40622dd6744c6f3dd067ed884f8499e5e01c3a71d35368e3f08","sha256:26fcce7c064e71202e2057f6ced3f816573656cf589df8ad62fb4690125742c3"],"state_sha256":"aa21aba3196293851ff57a7e8c16e8156edef39a290f953d2bfff33b83e557dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZDb7EQkA5StGh/kNEpGHygxx3F3Ro4RKe0P4TT9E4wNKj4nmKAr9dXZUPTdruEFAsW0MzNmrbOezTTFU3ciKCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T15:55:02.783262Z","bundle_sha256":"7781f1c2c33e305f9d7180f927fdec7530d8c1f30210697d192a021d2bab41d7"}}