{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:Z2K7PWKNSOZLRRKCQFXE2D4IAU","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":"8505ff7ec76ef63d5f03babab60a9f17a51f4bc28e8f38102bd40027f316bf08","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-18T10:36:25Z","title_canon_sha256":"8f5f9fffd99eebededea0cce5ca0cf39004ed93a64c3e8151df32d839ed6b0f3"},"schema_version":"1.0","source":{"id":"2412.13694","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2412.13694","created_at":"2026-07-05T11:27:52Z"},{"alias_kind":"arxiv_version","alias_value":"2412.13694v1","created_at":"2026-07-05T11:27:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2412.13694","created_at":"2026-07-05T11:27:52Z"},{"alias_kind":"pith_short_12","alias_value":"Z2K7PWKNSOZL","created_at":"2026-07-05T11:27:52Z"},{"alias_kind":"pith_short_16","alias_value":"Z2K7PWKNSOZLRRKC","created_at":"2026-07-05T11:27:52Z"},{"alias_kind":"pith_short_8","alias_value":"Z2K7PWKN","created_at":"2026-07-05T11:27:52Z"}],"graph_snapshots":[{"event_id":"sha256:f01f1a1c1636fa9a8223e24ce0758c0dadc6675fb01d948e20b93a256e777666","target":"graph","created_at":"2026-07-05T11:27:52Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2412.13694/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Organic photovoltaics are a promising solar cell technology well-suited to mass production using roll-to-roll processes. The efficiency of lab-scale solar cells has exceeded 20% and considerable attention is currently being given to understanding and minimising the remaining loss mechanisms preventing higher efficiencies. While recent efficiency improvements are partly owed to reducing non-radiative recombination losses at open-circuit, the low fill factor due to a significant transport resistance is becoming the Achilles heel of organic photovoltaics. The term transport resistance refers to a","authors_text":"Carsten Deibel, Chen Wang, Dieter Neher, Maria Saladina, Roderick C. I. Mackenzie, Thomas Kirchartz, Uli W\\\"urfel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-18T10:36:25Z","title":"Transport resistance dominates the fill factor losses in record organic solar cells"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2412.13694","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":"sha256:72fec7c6eb7ff745cf4c04977c38668b79d8db3caada617d27898ca2c3cfe3ba","target":"record","created_at":"2026-07-05T11:27:52Z","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":"8505ff7ec76ef63d5f03babab60a9f17a51f4bc28e8f38102bd40027f316bf08","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-12-18T10:36:25Z","title_canon_sha256":"8f5f9fffd99eebededea0cce5ca0cf39004ed93a64c3e8151df32d839ed6b0f3"},"schema_version":"1.0","source":{"id":"2412.13694","kind":"arxiv","version":1}},"canonical_sha256":"ce95f7d94d93b2b8c542816e4d0f88053fc58f7478b774ff8cc1a9c68e278ac1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ce95f7d94d93b2b8c542816e4d0f88053fc58f7478b774ff8cc1a9c68e278ac1","first_computed_at":"2026-07-05T11:27:52.119656Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:27:52.119656Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"skKcK0tZ/Rs+oWtoA0TUw+HW7qJ1Tdo2VuBz14j0x7qVKQ35fwAG/xHkCdHJHi68FxU6bUetzcDgO9Dq6lOzDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:27:52.120216Z","signed_message":"canonical_sha256_bytes"},"source_id":"2412.13694","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:72fec7c6eb7ff745cf4c04977c38668b79d8db3caada617d27898ca2c3cfe3ba","sha256:f01f1a1c1636fa9a8223e24ce0758c0dadc6675fb01d948e20b93a256e777666"],"state_sha256":"dad97b0f0a0f5a408a444a675649f93577e4e562e9a07909ee083eb2a5f35089"}