{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:LOP6NWCKA6SUW5HMTSYGE7B5VL","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":"6ac52e8ddd58ae2cacffdb4a7def5fc083526a699c47dd8ef291af0b45d4698f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-23T07:52:42Z","title_canon_sha256":"45feea9868bef7f8bf9ee13f5851308e33ccce8c5445af64c55a9bd494c8e851"},"schema_version":"1.0","source":{"id":"1604.06875","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.06875","created_at":"2026-05-18T01:16:23Z"},{"alias_kind":"arxiv_version","alias_value":"1604.06875v1","created_at":"2026-05-18T01:16:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.06875","created_at":"2026-05-18T01:16:23Z"},{"alias_kind":"pith_short_12","alias_value":"LOP6NWCKA6SU","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_16","alias_value":"LOP6NWCKA6SUW5HM","created_at":"2026-05-18T12:30:29Z"},{"alias_kind":"pith_short_8","alias_value":"LOP6NWCK","created_at":"2026-05-18T12:30:29Z"}],"graph_snapshots":[{"event_id":"sha256:d762454531210d8affdab39b641f97d2a06dbb24018619d41d42f941fef494ca","target":"graph","created_at":"2026-05-18T01:16:23Z","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 the past few years, the meteoric development of hybrid organic--inorganic perovskite solar cells (PSC) astonished the community. The efficiency has already reached the level needed for commercialization; however, the instability hinders its deployment on the market. Here, we report a mechanism to chemically stabilize PSC absorbers. We propose to replace the widely used methylammonium cation (\\ce{CH3NH3+}) by alternative molecular cations allowing an enhanced electronic coupling between the cation and the \\ce{PbI6} octahedra while maintaining the band gap energy within the suitable range for","authors_text":"El Tayeb Bentria, Fahhad H Alharbi, Fedwa El-Mellouhi, Sabre Kais, Sergey N Rashkeev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-23T07:52:42Z","title":"Enhancing Intrinsic Stability of Hybrid Perovskite Solar Cell by Strong, yet Balanced, Electronic Coupling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.06875","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:d57232fb2f5eb975ea3cd71338929f10a734fe958a984fa995618068b60d8426","target":"record","created_at":"2026-05-18T01:16:23Z","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":"6ac52e8ddd58ae2cacffdb4a7def5fc083526a699c47dd8ef291af0b45d4698f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2016-04-23T07:52:42Z","title_canon_sha256":"45feea9868bef7f8bf9ee13f5851308e33ccce8c5445af64c55a9bd494c8e851"},"schema_version":"1.0","source":{"id":"1604.06875","kind":"arxiv","version":1}},"canonical_sha256":"5b9fe6d84a07a54b74ec9cb0627c3daafbe6a23523e3d727a6960fac900c8ae8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5b9fe6d84a07a54b74ec9cb0627c3daafbe6a23523e3d727a6960fac900c8ae8","first_computed_at":"2026-05-18T01:16:23.724931Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:23.724931Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gw34u9FJzJuZ4L18TnTp2Sedb8waksrj5tWV7BbNpD0je9IFL1D+sHC8eu9qXVqSRvZgAVMSDERdiKn4c5jcAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:23.725585Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.06875","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d57232fb2f5eb975ea3cd71338929f10a734fe958a984fa995618068b60d8426","sha256:d762454531210d8affdab39b641f97d2a06dbb24018619d41d42f941fef494ca"],"state_sha256":"0a63799c2c3ec9f1ffb71d9a602038ec1387027961dab4ce04ba8e0aaa4fdd54"}