{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:HV5MFXB6ZXJQJCXV3LUIGWFG5A","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":"e1ea809d9b7ef7d17d1efbfef64d7c227c4cbf1e385997625d59c04da9d1c560","cross_cats_sorted":["physics.app-ph","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-24T14:20:15Z","title_canon_sha256":"03724e809d11ed7cd1326939a6f8f7a3ff7e7c01e0c5ce349e79ef0706673597"},"schema_version":"1.0","source":{"id":"2411.15855","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2411.15855","created_at":"2026-07-05T09:39:41Z"},{"alias_kind":"arxiv_version","alias_value":"2411.15855v1","created_at":"2026-07-05T09:39:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.15855","created_at":"2026-07-05T09:39:41Z"},{"alias_kind":"pith_short_12","alias_value":"HV5MFXB6ZXJQ","created_at":"2026-07-05T09:39:41Z"},{"alias_kind":"pith_short_16","alias_value":"HV5MFXB6ZXJQJCXV","created_at":"2026-07-05T09:39:41Z"},{"alias_kind":"pith_short_8","alias_value":"HV5MFXB6","created_at":"2026-07-05T09:39:41Z"}],"graph_snapshots":[{"event_id":"sha256:4be1ed5aa5a02fdee86dce4dd609f06d71b20d28b089f3c5e0157c59bdcc33ac","target":"graph","created_at":"2026-07-05T09:39:41Z","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/2411.15855/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Low internal and external quantum efficiencies in high Aluminium content AlGaN-based deep-ultraviolet light-emitting diode (DUV-LED) occurred due to strong polarization effects, spontaneous and piezoelectric polarization, at the interface between two materials. It also leads to a low carrier confinement and Quantum Confined Stark Effect (QCSE), contributing to the efficiency droop of the DUV-LED. This work demonstrates an under-level MQW configuration implemented in a DUV-LED with a 257 nm emission wavelength. Three DUV-LED structures, above-, same- and under-level MQW were investigated, cover","authors_text":"Ahmad Fakhrurrazi Ahmad Noorden, Mohammad Amirul Hairol Aman, Muhamad Zamzuri Abdul Kadir, Nurul Fathinah Azrisham, Wan Hazman Danial","cross_cats":["physics.app-ph","physics.comp-ph"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-24T14:20:15Z","title":"High-Performances AlGaN-based DUV-LED via Under-Level Multiple Quantum Well Configuration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.15855","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":"sha256:8faca8d2558b9285a45846c55cd091ec7e68817af52ab5da9d96d5e38aa5033f","target":"record","created_at":"2026-07-05T09:39:41Z","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":"e1ea809d9b7ef7d17d1efbfef64d7c227c4cbf1e385997625d59c04da9d1c560","cross_cats_sorted":["physics.app-ph","physics.comp-ph"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"physics.optics","submitted_at":"2024-11-24T14:20:15Z","title_canon_sha256":"03724e809d11ed7cd1326939a6f8f7a3ff7e7c01e0c5ce349e79ef0706673597"},"schema_version":"1.0","source":{"id":"2411.15855","kind":"arxiv","version":1}},"canonical_sha256":"3d7ac2dc3ecdd3048af5dae88358a6e82cad33dbdc57c315ff4bf83225b574b7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3d7ac2dc3ecdd3048af5dae88358a6e82cad33dbdc57c315ff4bf83225b574b7","first_computed_at":"2026-07-05T09:39:41.871542Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:39:41.871542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JdNmOnnNgob4kbU8udU+kdB9LBve5I1f7xfC06r1kFP+7Ux3HiDspy36ww2eesdXAiJZya4q7z/dMnh5duhYCw==","signature_status":"signed_v1","signed_at":"2026-07-05T09:39:41.872050Z","signed_message":"canonical_sha256_bytes"},"source_id":"2411.15855","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8faca8d2558b9285a45846c55cd091ec7e68817af52ab5da9d96d5e38aa5033f","sha256:4be1ed5aa5a02fdee86dce4dd609f06d71b20d28b089f3c5e0157c59bdcc33ac"],"state_sha256":"9b224a60c5da6977fda453fc6e01c285327d3d62b06fbba1c9830f225df30f9d"}