{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:CEXUVEFSVL3PURZUIPFYZKB6DI","short_pith_number":"pith:CEXUVEFS","canonical_record":{"source":{"id":"1006.4813","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-06-24T15:20:20Z","cross_cats_sorted":[],"title_canon_sha256":"4fbfa465eb32672b3c5a649772c4dbf657170c1ccb49ae4e0c45c99bd35d2800","abstract_canon_sha256":"8d154546e4f8b92bf871a3a4377973c14540f0b7cf2c2630230342746d73577b"},"schema_version":"1.0"},"canonical_sha256":"112f4a90b2aaf6fa473443cb8ca83e1a0d74573a3044719f9675d77425bba5b8","source":{"kind":"arxiv","id":"1006.4813","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.4813","created_at":"2026-05-18T04:36:08Z"},{"alias_kind":"arxiv_version","alias_value":"1006.4813v4","created_at":"2026-05-18T04:36:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.4813","created_at":"2026-05-18T04:36:08Z"},{"alias_kind":"pith_short_12","alias_value":"CEXUVEFSVL3P","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"CEXUVEFSVL3PURZU","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"CEXUVEFS","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:CEXUVEFSVL3PURZUIPFYZKB6DI","target":"record","payload":{"canonical_record":{"source":{"id":"1006.4813","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-06-24T15:20:20Z","cross_cats_sorted":[],"title_canon_sha256":"4fbfa465eb32672b3c5a649772c4dbf657170c1ccb49ae4e0c45c99bd35d2800","abstract_canon_sha256":"8d154546e4f8b92bf871a3a4377973c14540f0b7cf2c2630230342746d73577b"},"schema_version":"1.0"},"canonical_sha256":"112f4a90b2aaf6fa473443cb8ca83e1a0d74573a3044719f9675d77425bba5b8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:08.568077Z","signature_b64":"u0yO6feBgc8rNyqXqxezc3EACXO3pmpVrjeSbnPeoz8i0WfvYPx0zotofonCO/oiCz4q0ksmVaPGkvdz6bizDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"112f4a90b2aaf6fa473443cb8ca83e1a0d74573a3044719f9675d77425bba5b8","last_reissued_at":"2026-05-18T04:36:08.567532Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:08.567532Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.4813","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:36:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kSMZQXiA8BThARDo3aW/nu/87P6PflgPcuSLZiN0Zw/+v6eTCRTWWLQBBBlHuVwih5oN64LTQwvHvCyU3SG+Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:55:01.187735Z"},"content_sha256":"af907fb9588608fa60c60ac0b65d3e497ffefffded8bd65d161f4e3e202df4c4","schema_version":"1.0","event_id":"sha256:af907fb9588608fa60c60ac0b65d3e497ffefffded8bd65d161f4e3e202df4c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:CEXUVEFSVL3PURZUIPFYZKB6DI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comment on \"Interface state recombination in organic solar cells\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Wagenpfahl, C. Deibel","submitted_at":"2010-06-24T15:20:20Z","abstract_excerpt":"In a recent paper, Street et al. [Phys. Rev. B 81, 205307 (2010)] propose first order recombination due to interface states to be the dominant loss mechanism in organic bulk heterojunction solar cells, based on steady-state current--voltage characteristics. By applying macroscopic simulations, we found that under typical solar cell conditions, monomolecular or bimolecular recombination cannot be inferred from the slope of the light intensity dependent photocurrent. In addition, we discuss the validity of calculating a mobility--lifetime product from steady-state measurements. We conclude that "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.4813","kind":"arxiv","version":4},"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":"2026-05-18T04:36:08Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z4MTnwqA0laFg0ttwWHE1RdHJ427WuVSL8bC8UPdrjYWuKr0qR/ZWm2BFqqGRJbuzzocnUe85pnQCWQZFKJJAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T23:55:01.188081Z"},"content_sha256":"6e8fb3e3973ce7aa693d915808e03c85bed7f4d6b52dd66ce6b7513e04d1ff5f","schema_version":"1.0","event_id":"sha256:6e8fb3e3973ce7aa693d915808e03c85bed7f4d6b52dd66ce6b7513e04d1ff5f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CEXUVEFSVL3PURZUIPFYZKB6DI/bundle.json","state_url":"https://pith.science/pith/CEXUVEFSVL3PURZUIPFYZKB6DI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CEXUVEFSVL3PURZUIPFYZKB6DI/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":"2026-06-01T23:55:01Z","links":{"resolver":"https://pith.science/pith/CEXUVEFSVL3PURZUIPFYZKB6DI","bundle":"https://pith.science/pith/CEXUVEFSVL3PURZUIPFYZKB6DI/bundle.json","state":"https://pith.science/pith/CEXUVEFSVL3PURZUIPFYZKB6DI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CEXUVEFSVL3PURZUIPFYZKB6DI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:CEXUVEFSVL3PURZUIPFYZKB6DI","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":"8d154546e4f8b92bf871a3a4377973c14540f0b7cf2c2630230342746d73577b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-06-24T15:20:20Z","title_canon_sha256":"4fbfa465eb32672b3c5a649772c4dbf657170c1ccb49ae4e0c45c99bd35d2800"},"schema_version":"1.0","source":{"id":"1006.4813","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.4813","created_at":"2026-05-18T04:36:08Z"},{"alias_kind":"arxiv_version","alias_value":"1006.4813v4","created_at":"2026-05-18T04:36:08Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.4813","created_at":"2026-05-18T04:36:08Z"},{"alias_kind":"pith_short_12","alias_value":"CEXUVEFSVL3P","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"CEXUVEFSVL3PURZU","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"CEXUVEFS","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:6e8fb3e3973ce7aa693d915808e03c85bed7f4d6b52dd66ce6b7513e04d1ff5f","target":"graph","created_at":"2026-05-18T04:36:08Z","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":"In a recent paper, Street et al. [Phys. Rev. B 81, 205307 (2010)] propose first order recombination due to interface states to be the dominant loss mechanism in organic bulk heterojunction solar cells, based on steady-state current--voltage characteristics. By applying macroscopic simulations, we found that under typical solar cell conditions, monomolecular or bimolecular recombination cannot be inferred from the slope of the light intensity dependent photocurrent. In addition, we discuss the validity of calculating a mobility--lifetime product from steady-state measurements. We conclude that ","authors_text":"A. Wagenpfahl, C. Deibel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-06-24T15:20:20Z","title":"Comment on \"Interface state recombination in organic solar cells\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.4813","kind":"arxiv","version":4},"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:af907fb9588608fa60c60ac0b65d3e497ffefffded8bd65d161f4e3e202df4c4","target":"record","created_at":"2026-05-18T04:36:08Z","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":"8d154546e4f8b92bf871a3a4377973c14540f0b7cf2c2630230342746d73577b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2010-06-24T15:20:20Z","title_canon_sha256":"4fbfa465eb32672b3c5a649772c4dbf657170c1ccb49ae4e0c45c99bd35d2800"},"schema_version":"1.0","source":{"id":"1006.4813","kind":"arxiv","version":4}},"canonical_sha256":"112f4a90b2aaf6fa473443cb8ca83e1a0d74573a3044719f9675d77425bba5b8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"112f4a90b2aaf6fa473443cb8ca83e1a0d74573a3044719f9675d77425bba5b8","first_computed_at":"2026-05-18T04:36:08.567532Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:08.567532Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u0yO6feBgc8rNyqXqxezc3EACXO3pmpVrjeSbnPeoz8i0WfvYPx0zotofonCO/oiCz4q0ksmVaPGkvdz6bizDA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:08.568077Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.4813","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:af907fb9588608fa60c60ac0b65d3e497ffefffded8bd65d161f4e3e202df4c4","sha256:6e8fb3e3973ce7aa693d915808e03c85bed7f4d6b52dd66ce6b7513e04d1ff5f"],"state_sha256":"5298fa50d332cf5026b36efcb11afced054ce37b693930e0eea85381fe0879e0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9V4jXn1gFM2Xyx9ZqAh1aPUbvvpgK3rHqmBWakQr16e4paGQPyY40qtWn9xoyOWDRT5pbQuugLHYWAgj5D9BBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T23:55:01.190076Z","bundle_sha256":"abedbbb69dfa3e4520d144c3f232cf49501fef6b8eb99597a58f73e7401a90c0"}}