{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:OQQM6Q34HOXJ7HI5PV552NASDH","short_pith_number":"pith:OQQM6Q34","canonical_record":{"source":{"id":"1901.01200","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:34:02Z","cross_cats_sorted":[],"title_canon_sha256":"4bcd3148bd16eb41adad64831ca7038901675e9dbf616096a89b2a61cfe89019","abstract_canon_sha256":"d39231c09e48ab5a6c205e0b5af53061fc6051bf967820e89f27e24777989755"},"schema_version":"1.0"},"canonical_sha256":"7420cf437c3bae9f9d1d7d7bdd341219f196cc0af946abaadea11c25106ee7a5","source":{"kind":"arxiv","id":"1901.01200","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.01200","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"arxiv_version","alias_value":"1901.01200v1","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.01200","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"pith_short_12","alias_value":"OQQM6Q34HOXJ","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"OQQM6Q34HOXJ7HI5","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"OQQM6Q34","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:OQQM6Q34HOXJ7HI5PV552NASDH","target":"record","payload":{"canonical_record":{"source":{"id":"1901.01200","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:34:02Z","cross_cats_sorted":[],"title_canon_sha256":"4bcd3148bd16eb41adad64831ca7038901675e9dbf616096a89b2a61cfe89019","abstract_canon_sha256":"d39231c09e48ab5a6c205e0b5af53061fc6051bf967820e89f27e24777989755"},"schema_version":"1.0"},"canonical_sha256":"7420cf437c3bae9f9d1d7d7bdd341219f196cc0af946abaadea11c25106ee7a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:56:56.771726Z","signature_b64":"Yfa0pypClmVdUVKkXmD9hHg2wfIdxcrTSjLnxQAbPTwai3BFnrJb4aGAZvTpl6BB9bFsw7ZTBHVULYd4NvnPCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7420cf437c3bae9f9d1d7d7bdd341219f196cc0af946abaadea11c25106ee7a5","last_reissued_at":"2026-05-17T23:56:56.771093Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:56:56.771093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.01200","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":"lqJKskbHtOT91XND/uaF3dVuPoyrBu+xCOy1cOF7RedlLA1SAE+7wpAcb5vfF3n658dluyVV9oHHz4LB4wMnCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:13:56.382386Z"},"content_sha256":"7e355c2aea1e061e86939e0b735ed408901dba18ce6f017cdd56e6abe0c9c421","schema_version":"1.0","event_id":"sha256:7e355c2aea1e061e86939e0b735ed408901dba18ce6f017cdd56e6abe0c9c421"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:OQQM6Q34HOXJ7HI5PV552NASDH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Facial and Meridional Isomers of Tris(bidentate) Ir(III) Complexes: Unravelling Their Different Excited State Reactivity","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Daniel Escudero, Sylvio Arroliga-Rocha","submitted_at":"2019-01-04T16:34:02Z","abstract_excerpt":"The use of tris(bidentate) Ir(III) complexes as light active components in phosphorescent organic light-emitting diodes (PhOLEDs) is currently the state-of-the-art technology to attain long-lasting and highly performing devices. Still, further improvements of their operational lifetimes are required for their practical use in lighting and displays. Facial/meridional stereoisomerism of the tris(bidentate) Ir(III) architectures strongly influences their emissive properties and thereto their PhOLEDs performances and operational device stabilities. This work underpins at the first-principles level"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.01200","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":"5L9gvC1BlSKuLEHBs8A6FDv5wnX7wLDSp4WHwHgoRjHUK0D+RhcjS77o6CDxVgMJLPMfmuJ4ThKMhr+agGisAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T14:13:56.383102Z"},"content_sha256":"462aa4e899e598a4311fa592667bb296e58a427bc46bfd624877b2ea8efcc8bb","schema_version":"1.0","event_id":"sha256:462aa4e899e598a4311fa592667bb296e58a427bc46bfd624877b2ea8efcc8bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OQQM6Q34HOXJ7HI5PV552NASDH/bundle.json","state_url":"https://pith.science/pith/OQQM6Q34HOXJ7HI5PV552NASDH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OQQM6Q34HOXJ7HI5PV552NASDH/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":"2026-05-26T14:13:56Z","links":{"resolver":"https://pith.science/pith/OQQM6Q34HOXJ7HI5PV552NASDH","bundle":"https://pith.science/pith/OQQM6Q34HOXJ7HI5PV552NASDH/bundle.json","state":"https://pith.science/pith/OQQM6Q34HOXJ7HI5PV552NASDH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OQQM6Q34HOXJ7HI5PV552NASDH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:OQQM6Q34HOXJ7HI5PV552NASDH","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":"d39231c09e48ab5a6c205e0b5af53061fc6051bf967820e89f27e24777989755","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:34:02Z","title_canon_sha256":"4bcd3148bd16eb41adad64831ca7038901675e9dbf616096a89b2a61cfe89019"},"schema_version":"1.0","source":{"id":"1901.01200","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.01200","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"arxiv_version","alias_value":"1901.01200v1","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.01200","created_at":"2026-05-17T23:56:56Z"},{"alias_kind":"pith_short_12","alias_value":"OQQM6Q34HOXJ","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"OQQM6Q34HOXJ7HI5","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"OQQM6Q34","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:462aa4e899e598a4311fa592667bb296e58a427bc46bfd624877b2ea8efcc8bb","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":"The use of tris(bidentate) Ir(III) complexes as light active components in phosphorescent organic light-emitting diodes (PhOLEDs) is currently the state-of-the-art technology to attain long-lasting and highly performing devices. Still, further improvements of their operational lifetimes are required for their practical use in lighting and displays. Facial/meridional stereoisomerism of the tris(bidentate) Ir(III) architectures strongly influences their emissive properties and thereto their PhOLEDs performances and operational device stabilities. This work underpins at the first-principles level","authors_text":"Daniel Escudero, Sylvio Arroliga-Rocha","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:34:02Z","title":"Facial and Meridional Isomers of Tris(bidentate) Ir(III) Complexes: Unravelling Their Different Excited State Reactivity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.01200","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":"sha256:7e355c2aea1e061e86939e0b735ed408901dba18ce6f017cdd56e6abe0c9c421","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":"d39231c09e48ab5a6c205e0b5af53061fc6051bf967820e89f27e24777989755","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.chem-ph","submitted_at":"2019-01-04T16:34:02Z","title_canon_sha256":"4bcd3148bd16eb41adad64831ca7038901675e9dbf616096a89b2a61cfe89019"},"schema_version":"1.0","source":{"id":"1901.01200","kind":"arxiv","version":1}},"canonical_sha256":"7420cf437c3bae9f9d1d7d7bdd341219f196cc0af946abaadea11c25106ee7a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7420cf437c3bae9f9d1d7d7bdd341219f196cc0af946abaadea11c25106ee7a5","first_computed_at":"2026-05-17T23:56:56.771093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:56:56.771093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Yfa0pypClmVdUVKkXmD9hHg2wfIdxcrTSjLnxQAbPTwai3BFnrJb4aGAZvTpl6BB9bFsw7ZTBHVULYd4NvnPCQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:56:56.771726Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.01200","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7e355c2aea1e061e86939e0b735ed408901dba18ce6f017cdd56e6abe0c9c421","sha256:462aa4e899e598a4311fa592667bb296e58a427bc46bfd624877b2ea8efcc8bb"],"state_sha256":"a880838ded19cb26506cf76abbccd998d4e88a764d606db9702463a118e39521"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xHWBojO3VuyiPGPdIzXgVPZF5oWuql+V/nYBZnUmasjmIhSb9ytwX7MJhW1tUSorattfAj+2LMWb/M/ErmTHCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T14:13:56.387388Z","bundle_sha256":"4ccbbae64436bcf083b97efd31de270d2ab08b7956ac2f4860d89108b0c3e87b"}}