{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:6M34QQLNDG5JAOR7ZFKXPRNTWF","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":"0b4a72d94d93d5f57fec353ca50438d4a3c3c692f1e0122a87d3ad4595b34df7","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-08-01T04:47:48Z","title_canon_sha256":"03bedb7dc1756ab162e0d02ee18866998936cc31d140d96d6c645663aba04514"},"schema_version":"1.0","source":{"id":"2508.00314","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.00314","created_at":"2026-07-05T11:46:53Z"},{"alias_kind":"arxiv_version","alias_value":"2508.00314v1","created_at":"2026-07-05T11:46:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.00314","created_at":"2026-07-05T11:46:53Z"},{"alias_kind":"pith_short_12","alias_value":"6M34QQLNDG5J","created_at":"2026-07-05T11:46:53Z"},{"alias_kind":"pith_short_16","alias_value":"6M34QQLNDG5JAOR7","created_at":"2026-07-05T11:46:53Z"},{"alias_kind":"pith_short_8","alias_value":"6M34QQLN","created_at":"2026-07-05T11:46:53Z"}],"graph_snapshots":[{"event_id":"sha256:e176400bc1c468477245050c5b39e5529556cd19289931fdf80f411ca51824ba","target":"graph","created_at":"2026-07-05T11:46:53Z","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/2508.00314/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Scandium-doped aluminum nitride has recently emerged as a promising material for quantum photonic integrated circuits (PICs) due to its unique combination of strong second-order nonlinearity, ferroelectricity, piezoelectricity, and complementary metal-oxide-semiconductor (CMOS) compatibility. However, the relatively high optical loss reported to date-typically above 2.4 dB/cm-remains a key challenge that limits its widespread application in low-loss PICs. Here, we present a monolithically integrated $\\mathrm{Si}_3\\mathrm{N}_4$-ScAlN waveguide platform that overcomes this limitation. By confini","authors_text":"Abdur-Raheem Al-Hallak, Huabin Yu, Jiangnan Liu, Shuai Liu, Yuheng Zhang, Zetian Mi, Zhengwei Ye, Zheshen Zhang","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-08-01T04:47:48Z","title":"Hybrid Scandium Aluminum Nitride/Silicon Nitride Integrated Photonic Circuits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.00314","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":"sha256:1e312a5d9188ffeb93a668742843a6f06cf365add162a315e854bce1590cbdfd","target":"record","created_at":"2026-07-05T11:46:53Z","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":"0b4a72d94d93d5f57fec353ca50438d4a3c3c692f1e0122a87d3ad4595b34df7","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-08-01T04:47:48Z","title_canon_sha256":"03bedb7dc1756ab162e0d02ee18866998936cc31d140d96d6c645663aba04514"},"schema_version":"1.0","source":{"id":"2508.00314","kind":"arxiv","version":1}},"canonical_sha256":"f337c8416d19ba903a3fc95577c5b3b179d8b09b8fa12b1111f2df025a96c770","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f337c8416d19ba903a3fc95577c5b3b179d8b09b8fa12b1111f2df025a96c770","first_computed_at":"2026-07-05T11:46:53.260689Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:46:53.260689Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y7aVIAP42CTDPnrMI19P5ZkAfeV2DJfcS/CmC4RAbUwoEyFMmaFoEGf1J4jjRBepLWxh/G95zzRbaY+QI/70Dw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:46:53.261152Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.00314","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e312a5d9188ffeb93a668742843a6f06cf365add162a315e854bce1590cbdfd","sha256:e176400bc1c468477245050c5b39e5529556cd19289931fdf80f411ca51824ba"],"state_sha256":"21167b9e7c57cd6573f7519c0333682e5a4d5c024e686194308e19e66feb9b06"}