{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XGVEQO6PMC5DPW5EXWG2KGHTAH","short_pith_number":"pith:XGVEQO6P","canonical_record":{"source":{"id":"1612.01083","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-12-04T07:44:19Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph","physics.optics"],"title_canon_sha256":"2ebbbe84f0b280d45edc6cc6dede2694d20b27e6ff65558357e8bb45a62b2734","abstract_canon_sha256":"572c43d0a3874b64f5fca951f0322886d416493225d4ca8e2bdcf4b0e63dcbda"},"schema_version":"1.0"},"canonical_sha256":"b9aa483bcf60ba37dba4bd8da518f301e13801ee5f06a2975c322a1f1f4425ef","source":{"kind":"arxiv","id":"1612.01083","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.01083","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"arxiv_version","alias_value":"1612.01083v1","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.01083","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"pith_short_12","alias_value":"XGVEQO6PMC5D","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XGVEQO6PMC5DPW5E","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XGVEQO6P","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XGVEQO6PMC5DPW5EXWG2KGHTAH","target":"record","payload":{"canonical_record":{"source":{"id":"1612.01083","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-12-04T07:44:19Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph","physics.optics"],"title_canon_sha256":"2ebbbe84f0b280d45edc6cc6dede2694d20b27e6ff65558357e8bb45a62b2734","abstract_canon_sha256":"572c43d0a3874b64f5fca951f0322886d416493225d4ca8e2bdcf4b0e63dcbda"},"schema_version":"1.0"},"canonical_sha256":"b9aa483bcf60ba37dba4bd8da518f301e13801ee5f06a2975c322a1f1f4425ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:53.393553Z","signature_b64":"lv+tNiNDDlsl0zg5z021p2Xqaxe2BoX5k/z2f/VK/gi5pCSykANs5xIR9+uHnhao6tv7057kjBMy/yNQph//CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b9aa483bcf60ba37dba4bd8da518f301e13801ee5f06a2975c322a1f1f4425ef","last_reissued_at":"2026-05-18T00:55:53.393198Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:53.393198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.01083","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":"2026-05-18T00:55:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vbukl4tZtoBjQ5BV6HTtni8Wu8Aw00ZZj1TjFsVj6m+3iOkIuq9SE03UK71JzHVsHED4SVBSL0hSSEkXRJaiCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:57:30.989090Z"},"content_sha256":"e05420ed0a229194ae3ebc86e088ae66e48f02fcd4e7ea61b84661ffb2c149cd","schema_version":"1.0","event_id":"sha256:e05420ed0a229194ae3ebc86e088ae66e48f02fcd4e7ea61b84661ffb2c149cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XGVEQO6PMC5DPW5EXWG2KGHTAH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exciton delocalization incorporated drift-diffusion model for bulk-heterojunction organic solar cells","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.comp-ph","physics.optics"],"primary_cat":"cond-mat.mes-hall","authors_text":"Wallace C. H. Choy, Wei E. I. Sha, Zi Shuai Wang","submitted_at":"2016-12-04T07:44:19Z","abstract_excerpt":"Modeling the charge-generation process is highly important to understand device physics and optimize power conversion efficiency of bulk-heterojunction (BHJ) organic solar cells (OSCs). Free carriers are generated by both ultrafast exciton delocalization and slow exciton diffusion and dissociation at the heterojunction interface. In this work, we developed a systematic numerical simulation to describe the charge-generation process by a modified drift-diffusion model. The transport, recombination, and collection of free carriers are incorporated to fully capture the device response. The theoret"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01083","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":"2026-05-18T00:55:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TaJL/W+0ED0LDRZnRgXTcNedloou9ugf3o/vNwj+wXNEBVvdfswfAvYwEgK0Wx/LeBwyJB6dXUcKlSlZcGAVCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:57:30.989456Z"},"content_sha256":"f07fa5c901ba4a62d09f67e82e31a4467fa0695518df148c598a813392aff4dd","schema_version":"1.0","event_id":"sha256:f07fa5c901ba4a62d09f67e82e31a4467fa0695518df148c598a813392aff4dd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XGVEQO6PMC5DPW5EXWG2KGHTAH/bundle.json","state_url":"https://pith.science/pith/XGVEQO6PMC5DPW5EXWG2KGHTAH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XGVEQO6PMC5DPW5EXWG2KGHTAH/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":"2026-06-01T17:57:30Z","links":{"resolver":"https://pith.science/pith/XGVEQO6PMC5DPW5EXWG2KGHTAH","bundle":"https://pith.science/pith/XGVEQO6PMC5DPW5EXWG2KGHTAH/bundle.json","state":"https://pith.science/pith/XGVEQO6PMC5DPW5EXWG2KGHTAH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XGVEQO6PMC5DPW5EXWG2KGHTAH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XGVEQO6PMC5DPW5EXWG2KGHTAH","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":"572c43d0a3874b64f5fca951f0322886d416493225d4ca8e2bdcf4b0e63dcbda","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-12-04T07:44:19Z","title_canon_sha256":"2ebbbe84f0b280d45edc6cc6dede2694d20b27e6ff65558357e8bb45a62b2734"},"schema_version":"1.0","source":{"id":"1612.01083","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.01083","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"arxiv_version","alias_value":"1612.01083v1","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.01083","created_at":"2026-05-18T00:55:53Z"},{"alias_kind":"pith_short_12","alias_value":"XGVEQO6PMC5D","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XGVEQO6PMC5DPW5E","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XGVEQO6P","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:f07fa5c901ba4a62d09f67e82e31a4467fa0695518df148c598a813392aff4dd","target":"graph","created_at":"2026-05-18T00:55:53Z","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":"Modeling the charge-generation process is highly important to understand device physics and optimize power conversion efficiency of bulk-heterojunction (BHJ) organic solar cells (OSCs). Free carriers are generated by both ultrafast exciton delocalization and slow exciton diffusion and dissociation at the heterojunction interface. In this work, we developed a systematic numerical simulation to describe the charge-generation process by a modified drift-diffusion model. The transport, recombination, and collection of free carriers are incorporated to fully capture the device response. The theoret","authors_text":"Wallace C. H. Choy, Wei E. I. Sha, Zi Shuai Wang","cross_cats":["cond-mat.mtrl-sci","physics.comp-ph","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-12-04T07:44:19Z","title":"Exciton delocalization incorporated drift-diffusion model for bulk-heterojunction organic solar cells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.01083","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:e05420ed0a229194ae3ebc86e088ae66e48f02fcd4e7ea61b84661ffb2c149cd","target":"record","created_at":"2026-05-18T00:55:53Z","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":"572c43d0a3874b64f5fca951f0322886d416493225d4ca8e2bdcf4b0e63dcbda","cross_cats_sorted":["cond-mat.mtrl-sci","physics.comp-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-12-04T07:44:19Z","title_canon_sha256":"2ebbbe84f0b280d45edc6cc6dede2694d20b27e6ff65558357e8bb45a62b2734"},"schema_version":"1.0","source":{"id":"1612.01083","kind":"arxiv","version":1}},"canonical_sha256":"b9aa483bcf60ba37dba4bd8da518f301e13801ee5f06a2975c322a1f1f4425ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b9aa483bcf60ba37dba4bd8da518f301e13801ee5f06a2975c322a1f1f4425ef","first_computed_at":"2026-05-18T00:55:53.393198Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:53.393198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lv+tNiNDDlsl0zg5z021p2Xqaxe2BoX5k/z2f/VK/gi5pCSykANs5xIR9+uHnhao6tv7057kjBMy/yNQph//CA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:53.393553Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.01083","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e05420ed0a229194ae3ebc86e088ae66e48f02fcd4e7ea61b84661ffb2c149cd","sha256:f07fa5c901ba4a62d09f67e82e31a4467fa0695518df148c598a813392aff4dd"],"state_sha256":"e36cc3f43d52c84df2f9a4bc828c4edd1141e7e7741a103405da089e78c55b88"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3xEZfi6orIhAw91NBuJ3ebFCyenMEatAIV6W/TatMbRxilN6ELHI4FzXWuXV2xn64jnISwBmCDeeoEGqYTmCDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:57:30.992130Z","bundle_sha256":"4ba2a4e511031d55840670bef4f0f1e4bb47b7a0f5e981d851e3bb7f7776e034"}}