{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RIH3KOESHZBZ24FBJMAY5ELFKH","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":"943569fa4c4f3e61ae137e6460dd5366644bc730b1c4ef372fa1bd209df9c0fd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-08T13:47:07Z","title_canon_sha256":"38357ad0c9b3fe9dd06d6a0f1fab0fa2faf7ae94371920c1ccfbe6c6bb54fe64"},"schema_version":"1.0","source":{"id":"1908.03074","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.03074","created_at":"2026-07-05T01:12:21Z"},{"alias_kind":"arxiv_version","alias_value":"1908.03074v1","created_at":"2026-07-05T01:12:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.03074","created_at":"2026-07-05T01:12:21Z"},{"alias_kind":"pith_short_12","alias_value":"RIH3KOESHZBZ","created_at":"2026-07-05T01:12:21Z"},{"alias_kind":"pith_short_16","alias_value":"RIH3KOESHZBZ24FB","created_at":"2026-07-05T01:12:21Z"},{"alias_kind":"pith_short_8","alias_value":"RIH3KOES","created_at":"2026-07-05T01:12:21Z"}],"graph_snapshots":[{"event_id":"sha256:224bbc772eedd665362fa55f5fa5feb7664426d7f36b3489095c73bc76909bbd","target":"graph","created_at":"2026-07-05T01:12:21Z","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/1908.03074/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Carbene-metal-amide type photoemitters based on CF$_3$-substituted carbazolate ligands show sky-blue to deep-blue photoluminescence from charge-transfer excited states. They are suitable for incorporation into organic light-emitting diodes (OLEDs) by thermal vapour deposition techniques, either embedded within a high-triplet-energy host, or used host-free. We report high-efficiency OLEDs with emission ranging from yellow to blue (Commission Internationale de l'\\'Eclairage (CIE) coordinates from [0.35, 0.53] to [0.17, 0.17]). The latter show a peak electroluminescence external quantum efficienc","authors_text":"Alexander S. Romanov, Campbell S. B. Matthews, Dan Credgington, Florian Chotard, Manfred Bochmann, Neil C. Greenham, Patrick J. Conaghan, Saul T. E. Jones","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-08T13:47:07Z","title":"Highly Efficient Blue Host-Free and Host-Guest Organic Light-Emitting Diodes Based on Carbene-Metal-Amides"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.03074","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":"sha256:9f3616010f5b2957a604a2bf04a45a877b53249b3d9ea93dd0765ba26819f284","target":"record","created_at":"2026-07-05T01:12:21Z","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":"943569fa4c4f3e61ae137e6460dd5366644bc730b1c4ef372fa1bd209df9c0fd","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2019-08-08T13:47:07Z","title_canon_sha256":"38357ad0c9b3fe9dd06d6a0f1fab0fa2faf7ae94371920c1ccfbe6c6bb54fe64"},"schema_version":"1.0","source":{"id":"1908.03074","kind":"arxiv","version":1}},"canonical_sha256":"8a0fb538923e439d70a14b018e916551f6b09ba256278c3439b054a75baee56f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8a0fb538923e439d70a14b018e916551f6b09ba256278c3439b054a75baee56f","first_computed_at":"2026-07-05T01:12:21.917904Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:12:21.917904Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"P7M63PDJFD+KvYhQova+6kCSuUBvk5UEiVYnX9/GtY3Ps3QOFsqd+OX39YJGGzVi/9og1gQz3oGItVnXLaUkCA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:12:21.918271Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.03074","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9f3616010f5b2957a604a2bf04a45a877b53249b3d9ea93dd0765ba26819f284","sha256:224bbc772eedd665362fa55f5fa5feb7664426d7f36b3489095c73bc76909bbd"],"state_sha256":"d87a8f00569a4b155cef615a0052a947786497c290e1504cec185b0a28193e17"}