{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:2SX7T36UQBP43SDGVJEFY54U6O","short_pith_number":"pith:2SX7T36U","canonical_record":{"source":{"id":"1901.01201","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:37:25Z","cross_cats_sorted":[],"title_canon_sha256":"d3c3e581ad827200b748b01a8c4df780aea407ba488fd5d93d01d7ac17519ed6","abstract_canon_sha256":"3c42b78480811d8f50d91cf1227b037012bd14e18b4ab98ceb73634e85f63256"},"schema_version":"1.0"},"canonical_sha256":"d4aff9efd4805fcdc866aa485c7794f3919c59e1d310ed1eb204c21be6762523","source":{"kind":"arxiv","id":"1901.01201","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.01201","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"arxiv_version","alias_value":"1901.01201v1","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.01201","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"pith_short_12","alias_value":"2SX7T36UQBP4","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"2SX7T36UQBP43SDG","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"2SX7T36U","created_at":"2026-05-18T12:33:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:2SX7T36UQBP43SDGVJEFY54U6O","target":"record","payload":{"canonical_record":{"source":{"id":"1901.01201","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:37:25Z","cross_cats_sorted":[],"title_canon_sha256":"d3c3e581ad827200b748b01a8c4df780aea407ba488fd5d93d01d7ac17519ed6","abstract_canon_sha256":"3c42b78480811d8f50d91cf1227b037012bd14e18b4ab98ceb73634e85f63256"},"schema_version":"1.0"},"canonical_sha256":"d4aff9efd4805fcdc866aa485c7794f3919c59e1d310ed1eb204c21be6762523","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:56.763835Z","signature_b64":"CRgZOhfy7sT3y8eQmgdavnnB5nq00itTr4i0Lvo5CkRjxT0VuMcz6UpVsLDb6L2p9x0XtrMqnwZusEuDULOPAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d4aff9efd4805fcdc866aa485c7794f3919c59e1d310ed1eb204c21be6762523","last_reissued_at":"2026-05-17T23:56:56.763308Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:56.763308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.01201","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:56:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hNZRupuuapWHRKsAtXjLe+D0m2qKUgHsvPWxlocymrrzVbBI7J7+os86Edkb0EHyyjiFaTHUgtFqifyWUZO+DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:46:23.020426Z"},"content_sha256":"22cfdce7473a63322fc82cdd0140a1bb011c88477d84815736e8ba99095869e3","schema_version":"1.0","event_id":"sha256:22cfdce7473a63322fc82cdd0140a1bb011c88477d84815736e8ba99095869e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:2SX7T36UQBP43SDGVJEFY54U6O","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"General Approach To Compute Phosphorescent OLED Efficiency","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Daniel Escudero, Denis Jacquemin, Qian Peng, Xu Zhang, Zhigang Shuai","submitted_at":"2019-01-04T16:37:25Z","abstract_excerpt":"Phosphorescent organic light-emitting diodes (PhOLEDs) are widely used in the display industry. In PhOLEDs, cyclometalated Ir(III) complexes are the most widespread triplet emitter dopants to attain red, e.g., Ir(piq)3 (piq = 1-phenylisoquinoline), and green, e.g., Ir(ppy)3 (ppy = 2-phenylpyridine), emissions, whereas obtaining operative deep-blue emitters is still one of the major challenges. When designing new emitters, two main characteristics besides colors should be targeted: high photostability and large photoluminescence efficiencies. To date, these are very often optimized experimental"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.01201","kind":"arxiv","version":1},"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":"2026-05-17T23:56:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b7pbF6Uf4dmwlhtDr7jVD9XHeVao8oZAH/NHEm10ly8bvqaeeqyvc+AG8oTTN6KnipSX+T76PC+lU4x+f/LrBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:46:23.020821Z"},"content_sha256":"f953d56ae74adc88665f539d77f0eafa39e644ab61d658118b309c096a57bccd","schema_version":"1.0","event_id":"sha256:f953d56ae74adc88665f539d77f0eafa39e644ab61d658118b309c096a57bccd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2SX7T36UQBP43SDGVJEFY54U6O/bundle.json","state_url":"https://pith.science/pith/2SX7T36UQBP43SDGVJEFY54U6O/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2SX7T36UQBP43SDGVJEFY54U6O/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":"2026-05-26T20:46:23Z","links":{"resolver":"https://pith.science/pith/2SX7T36UQBP43SDGVJEFY54U6O","bundle":"https://pith.science/pith/2SX7T36UQBP43SDGVJEFY54U6O/bundle.json","state":"https://pith.science/pith/2SX7T36UQBP43SDGVJEFY54U6O/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2SX7T36UQBP43SDGVJEFY54U6O/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:2SX7T36UQBP43SDGVJEFY54U6O","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":"3c42b78480811d8f50d91cf1227b037012bd14e18b4ab98ceb73634e85f63256","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:37:25Z","title_canon_sha256":"d3c3e581ad827200b748b01a8c4df780aea407ba488fd5d93d01d7ac17519ed6"},"schema_version":"1.0","source":{"id":"1901.01201","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.01201","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"arxiv_version","alias_value":"1901.01201v1","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.01201","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"pith_short_12","alias_value":"2SX7T36UQBP4","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_16","alias_value":"2SX7T36UQBP43SDG","created_at":"2026-05-18T12:33:07Z"},{"alias_kind":"pith_short_8","alias_value":"2SX7T36U","created_at":"2026-05-18T12:33:07Z"}],"graph_snapshots":[{"event_id":"sha256:f953d56ae74adc88665f539d77f0eafa39e644ab61d658118b309c096a57bccd","target":"graph","created_at":"2026-05-17T23:56:56Z","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":"Phosphorescent organic light-emitting diodes (PhOLEDs) are widely used in the display industry. In PhOLEDs, cyclometalated Ir(III) complexes are the most widespread triplet emitter dopants to attain red, e.g., Ir(piq)3 (piq = 1-phenylisoquinoline), and green, e.g., Ir(ppy)3 (ppy = 2-phenylpyridine), emissions, whereas obtaining operative deep-blue emitters is still one of the major challenges. When designing new emitters, two main characteristics besides colors should be targeted: high photostability and large photoluminescence efficiencies. To date, these are very often optimized experimental","authors_text":"Daniel Escudero, Denis Jacquemin, Qian Peng, Xu Zhang, Zhigang Shuai","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:37:25Z","title":"General Approach To Compute Phosphorescent OLED Efficiency"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.01201","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":"sha256:22cfdce7473a63322fc82cdd0140a1bb011c88477d84815736e8ba99095869e3","target":"record","created_at":"2026-05-17T23:56:56Z","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":"3c42b78480811d8f50d91cf1227b037012bd14e18b4ab98ceb73634e85f63256","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:37:25Z","title_canon_sha256":"d3c3e581ad827200b748b01a8c4df780aea407ba488fd5d93d01d7ac17519ed6"},"schema_version":"1.0","source":{"id":"1901.01201","kind":"arxiv","version":1}},"canonical_sha256":"d4aff9efd4805fcdc866aa485c7794f3919c59e1d310ed1eb204c21be6762523","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d4aff9efd4805fcdc866aa485c7794f3919c59e1d310ed1eb204c21be6762523","first_computed_at":"2026-05-17T23:56:56.763308Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:56.763308Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CRgZOhfy7sT3y8eQmgdavnnB5nq00itTr4i0Lvo5CkRjxT0VuMcz6UpVsLDb6L2p9x0XtrMqnwZusEuDULOPAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:56.763835Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.01201","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:22cfdce7473a63322fc82cdd0140a1bb011c88477d84815736e8ba99095869e3","sha256:f953d56ae74adc88665f539d77f0eafa39e644ab61d658118b309c096a57bccd"],"state_sha256":"66e8e0e7bcb0b46ce65dc8d3047c6c3ef758c64f3f21ed3324f3a34ba0781828"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Kjz+CZjkm1LNXJ03VLBnJdD83UDe3sg//CjttpyHEQNay0ATqHEfwlSb9eQq91ZtG+hlfxAUjTcoxsR5tteZAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:46:23.023792Z","bundle_sha256":"3a70f73388395f317434c5c1af98db408e18ca1f7999c6e1f5dfebd15557abfe"}}