{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:TEMW4I2VEOD75RD5HGFAWPPHCV","short_pith_number":"pith:TEMW4I2V","canonical_record":{"source":{"id":"2410.23591","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-10-31T03:02:11Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"title_canon_sha256":"cd987bc988fa287fe065b0343be5ba7fcdb87ab9584c8035e07857f746a316d5","abstract_canon_sha256":"e1275776f8f471b46e53e60f87a0799a44205418b357f09409f9380a7a5274b8"},"schema_version":"1.0"},"canonical_sha256":"99196e23552387fec47d398a0b3de71549e9f47f8ab8a633d2ce5c2794c2aa7e","source":{"kind":"arxiv","id":"2410.23591","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.23591","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"arxiv_version","alias_value":"2410.23591v5","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.23591","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"pith_short_12","alias_value":"TEMW4I2VEOD7","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"pith_short_16","alias_value":"TEMW4I2VEOD75RD5","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"pith_short_8","alias_value":"TEMW4I2V","created_at":"2026-07-05T10:56:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:TEMW4I2VEOD75RD5HGFAWPPHCV","target":"record","payload":{"canonical_record":{"source":{"id":"2410.23591","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-10-31T03:02:11Z","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"title_canon_sha256":"cd987bc988fa287fe065b0343be5ba7fcdb87ab9584c8035e07857f746a316d5","abstract_canon_sha256":"e1275776f8f471b46e53e60f87a0799a44205418b357f09409f9380a7a5274b8"},"schema_version":"1.0"},"canonical_sha256":"99196e23552387fec47d398a0b3de71549e9f47f8ab8a633d2ce5c2794c2aa7e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:56:12.041423Z","signature_b64":"fWbRulTsRnDF59B7PXC9MszGbOs85/rkMcEp+w7/NrqGb3+qPC11nidsDEU080VMTfIbO/OUWm63wV0hGI2dBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99196e23552387fec47d398a0b3de71549e9f47f8ab8a633d2ce5c2794c2aa7e","last_reissued_at":"2026-07-05T10:56:12.041021Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:56:12.041021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2410.23591","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:56:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JGAS42vIclNcseNYz64AHmGBBZfbZyzR30DmLvD2BcEht855Hzn4682pv/2n0XgkJekIlMAHChoDtiKz3RRhCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:49:54.717231Z"},"content_sha256":"1ef256a93e5b53c62e31b4d92ee1637222273c286a0ace084dbb61f3ed7114ec","schema_version":"1.0","event_id":"sha256:1ef256a93e5b53c62e31b4d92ee1637222273c286a0ace084dbb61f3ed7114ec"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:TEMW4I2VEOD75RD5HGFAWPPHCV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Enhancing light emission with electric fields in polar nitride semiconductors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"primary_cat":"physics.optics","authors_text":"Emmanouil Kioupakis, Nick Pant, Rob Armitage","submitted_at":"2024-10-31T03:02:11Z","abstract_excerpt":"Significant effort has been devoted to mitigating polarization fields in nitride LEDs, as these fields are traditionally viewed as detrimental to light emission, particularly for red emission. Contrary to this prevailing notion, we demonstrate that strong polarization fields can enhance the optical-transition strength of AlInGaN quantum wells emitting in the red, which has been historically challenging to achieve. By leveraging machine-learning surrogate models trained on multi-scale quantum-mechanical simulations, we globally explore the heterostructure design space and uncover that larger fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.23591","kind":"arxiv","version":5},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2410.23591/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:56:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KsMORhFVaFp9czokdsvK1xZHkDjcYazhw07O/YTQOt+CHKWDoNNMvR5ykWZxH70rh1a9HVbPCVCUxiY+UyrKBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T14:49:54.717613Z"},"content_sha256":"2c1df70d2c9f745b9f4b09a39906bdaeee3d2655147c1c5b228ab6d49d54ba00","schema_version":"1.0","event_id":"sha256:2c1df70d2c9f745b9f4b09a39906bdaeee3d2655147c1c5b228ab6d49d54ba00"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TEMW4I2VEOD75RD5HGFAWPPHCV/bundle.json","state_url":"https://pith.science/pith/TEMW4I2VEOD75RD5HGFAWPPHCV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TEMW4I2VEOD75RD5HGFAWPPHCV/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":"2026-07-07T14:49:54Z","links":{"resolver":"https://pith.science/pith/TEMW4I2VEOD75RD5HGFAWPPHCV","bundle":"https://pith.science/pith/TEMW4I2VEOD75RD5HGFAWPPHCV/bundle.json","state":"https://pith.science/pith/TEMW4I2VEOD75RD5HGFAWPPHCV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TEMW4I2VEOD75RD5HGFAWPPHCV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:TEMW4I2VEOD75RD5HGFAWPPHCV","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":"e1275776f8f471b46e53e60f87a0799a44205418b357f09409f9380a7a5274b8","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-10-31T03:02:11Z","title_canon_sha256":"cd987bc988fa287fe065b0343be5ba7fcdb87ab9584c8035e07857f746a316d5"},"schema_version":"1.0","source":{"id":"2410.23591","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2410.23591","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"arxiv_version","alias_value":"2410.23591v5","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2410.23591","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"pith_short_12","alias_value":"TEMW4I2VEOD7","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"pith_short_16","alias_value":"TEMW4I2VEOD75RD5","created_at":"2026-07-05T10:56:12Z"},{"alias_kind":"pith_short_8","alias_value":"TEMW4I2V","created_at":"2026-07-05T10:56:12Z"}],"graph_snapshots":[{"event_id":"sha256:2c1df70d2c9f745b9f4b09a39906bdaeee3d2655147c1c5b228ab6d49d54ba00","target":"graph","created_at":"2026-07-05T10:56:12Z","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/2410.23591/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Significant effort has been devoted to mitigating polarization fields in nitride LEDs, as these fields are traditionally viewed as detrimental to light emission, particularly for red emission. Contrary to this prevailing notion, we demonstrate that strong polarization fields can enhance the optical-transition strength of AlInGaN quantum wells emitting in the red, which has been historically challenging to achieve. By leveraging machine-learning surrogate models trained on multi-scale quantum-mechanical simulations, we globally explore the heterostructure design space and uncover that larger fi","authors_text":"Emmanouil Kioupakis, Nick Pant, Rob Armitage","cross_cats":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-10-31T03:02:11Z","title":"Enhancing light emission with electric fields in polar nitride semiconductors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2410.23591","kind":"arxiv","version":5},"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":"sha256:1ef256a93e5b53c62e31b4d92ee1637222273c286a0ace084dbb61f3ed7114ec","target":"record","created_at":"2026-07-05T10:56:12Z","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":"e1275776f8f471b46e53e60f87a0799a44205418b357f09409f9380a7a5274b8","cross_cats_sorted":["cond-mat.mes-hall","cond-mat.mtrl-sci","physics.app-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2024-10-31T03:02:11Z","title_canon_sha256":"cd987bc988fa287fe065b0343be5ba7fcdb87ab9584c8035e07857f746a316d5"},"schema_version":"1.0","source":{"id":"2410.23591","kind":"arxiv","version":5}},"canonical_sha256":"99196e23552387fec47d398a0b3de71549e9f47f8ab8a633d2ce5c2794c2aa7e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99196e23552387fec47d398a0b3de71549e9f47f8ab8a633d2ce5c2794c2aa7e","first_computed_at":"2026-07-05T10:56:12.041021Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:56:12.041021Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fWbRulTsRnDF59B7PXC9MszGbOs85/rkMcEp+w7/NrqGb3+qPC11nidsDEU080VMTfIbO/OUWm63wV0hGI2dBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:56:12.041423Z","signed_message":"canonical_sha256_bytes"},"source_id":"2410.23591","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1ef256a93e5b53c62e31b4d92ee1637222273c286a0ace084dbb61f3ed7114ec","sha256:2c1df70d2c9f745b9f4b09a39906bdaeee3d2655147c1c5b228ab6d49d54ba00"],"state_sha256":"141220309b592ed99d066288f460d99f1a13886a3291b9a91493a6c4bb6bff69"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fe5h3csVw3OpDfXzv8J7UgJulLLLdEt9RRcswmJOxHBTG5v4nOsJErTOosXi4O2ute+WxX4j+qHsRVdXT8mlDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T14:49:54.719546Z","bundle_sha256":"e7cf3658dffdcc0e1e2d2df645e4cc86fc90e97bb1264c2b109ccd3d9f7ce50b"}}