{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:BJBDKGDD5W75UDHWT3MX22Q62D","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":"5b38c2acece279c703c0cb5d73cf365ee30bcabe8e51f5156bbb804039bf09f1","cross_cats_sorted":["physics.app-ph","physics.chem-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-04-16T15:58:35Z","title_canon_sha256":"9c334af6f6b1f12f02ba0b62148e884dbfc280b4b07f48ec2a3f4f8175ccf1f1"},"schema_version":"1.0","source":{"id":"2204.07829","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2204.07829","created_at":"2026-07-05T05:06:10Z"},{"alias_kind":"arxiv_version","alias_value":"2204.07829v1","created_at":"2026-07-05T05:06:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2204.07829","created_at":"2026-07-05T05:06:10Z"},{"alias_kind":"pith_short_12","alias_value":"BJBDKGDD5W75","created_at":"2026-07-05T05:06:10Z"},{"alias_kind":"pith_short_16","alias_value":"BJBDKGDD5W75UDHW","created_at":"2026-07-05T05:06:10Z"},{"alias_kind":"pith_short_8","alias_value":"BJBDKGDD","created_at":"2026-07-05T05:06:10Z"}],"graph_snapshots":[{"event_id":"sha256:4fe3861ecfe8f13e341ecde743c2167386fff4f917a694ff25efaa03897a48ec","target":"graph","created_at":"2026-07-05T05:06:10Z","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/2204.07829/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Perovskite light-emitting diodes (PeLEDs) have emerged as a strong contender for next-generation display and information technologies. However, similar to perovskite solar cells, the poor operational stability remains the main obstacle toward commercial applications. Here we demonstrate ultra-stable and efficient PeLEDs with extraordinary operational lifetimes (T50) of 1.0x10^4 h, 2.8x10^4 h, 5.4x10^5 h, and 1.9x10^6 h at initial radiance (or current densities) of 3.7 W/sr/m2 (~5 mA/cm2), 2.1 W/sr/m2 (~3.2 mA/cm2), 0.42 W/sr/m2 (~1.1 mA/cm2), and 0.21 W/sr/m2 (~0.7 mA/cm2) respectively, and ex","authors_text":"Baodan Zhao, Bingbing Guo, Cheng Li, Chen Zou, Dawei Di, Mengyu Chen, Puyang Li, Runchen Lai, Shiyu Xing, Sijie Jiang, Weiwei Li, Xuhui Cao, Yaxiao Lian, Yaxin Wang, Zhixiang Ren","cross_cats":["physics.app-ph","physics.chem-ph","physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-04-16T15:58:35Z","title":"Efficient and ultra-stable perovskite light-emitting diodes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2204.07829","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":"sha256:1661d34b548b0c2437bba51a580f83c3b0297a9ce33d9b8709833fd0f1a8e054","target":"record","created_at":"2026-07-05T05:06:10Z","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":"5b38c2acece279c703c0cb5d73cf365ee30bcabe8e51f5156bbb804039bf09f1","cross_cats_sorted":["physics.app-ph","physics.chem-ph","physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2022-04-16T15:58:35Z","title_canon_sha256":"9c334af6f6b1f12f02ba0b62148e884dbfc280b4b07f48ec2a3f4f8175ccf1f1"},"schema_version":"1.0","source":{"id":"2204.07829","kind":"arxiv","version":1}},"canonical_sha256":"0a42351863edbfda0cf69ed97d6a1ed0c2a4cc81b60a3ab283fb4c5015da8ad2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0a42351863edbfda0cf69ed97d6a1ed0c2a4cc81b60a3ab283fb4c5015da8ad2","first_computed_at":"2026-07-05T05:06:10.946958Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:06:10.946958Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QFDNlrVewKZPxCSWxUyeAzStBDPLnLWmzaTD9rlSwkPuY8aYHCVhFWpzLi5eya7qSRv6m6GD5JJBRXVpqaLGCA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:06:10.947465Z","signed_message":"canonical_sha256_bytes"},"source_id":"2204.07829","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1661d34b548b0c2437bba51a580f83c3b0297a9ce33d9b8709833fd0f1a8e054","sha256:4fe3861ecfe8f13e341ecde743c2167386fff4f917a694ff25efaa03897a48ec"],"state_sha256":"7c376f3820cf4ef73ca02ef8834bcc180b073924bcb5390fa17530dae1a44b43"}