{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2025:R6S4BBESU4GDM3OEOXRLS37V53","short_pith_number":"pith:R6S4BBES","schema_version":"1.0","canonical_sha256":"8fa5c08492a70c366dc475e2b96ff5eee256edc8fe5aa814c8d18cee5aafa4dd","source":{"kind":"arxiv","id":"2505.02662","version":2},"attestation_state":"computed","paper":{"title":"Integrated Silicon Nitride Devices via Inverse Design","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Julian L. Pita Ruiz, Micha\\\"el M\\'enard, Narges Dalvand","submitted_at":"2025-05-05T14:08:32Z","abstract_excerpt":"Integrated photonic devices made of silicon nitride (SiN), which can be integrated with silicon-on-insulator and III-V platforms, are expected to drive the expansion of silicon photonics technology. However, the relatively low refractive index contrast of SiN is often considered a limitation for creating compact and efficient devices. Here, we present three freeform SiN devices-a coarse wavelength-division multiplexer, a five-mode mode-division multiplexer, and a polarization beam splitter-while systematically benchmarking both the design capability and the fabrication repeatability and robust"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2505.02662","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.optics","submitted_at":"2025-05-05T14:08:32Z","cross_cats_sorted":["physics.app-ph"],"title_canon_sha256":"82ced70008accd5fb5ad277f1051d59c9f373a3eb9db56e8c98846b3c47a77f8","abstract_canon_sha256":"ffd55b9475c54968d0278f91c4b79f66e9581c849d597a3740bfe5d1e9719e94"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:37:44.651348Z","signature_b64":"oaiOARA0Iqy7ow5GpZuS6mgKTtc9Sib80kRLAOzZroqPpeXv0wDedIGwF8Hn6RPXR6dhzILs2Ye2cd78lH8PBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8fa5c08492a70c366dc475e2b96ff5eee256edc8fe5aa814c8d18cee5aafa4dd","last_reissued_at":"2026-07-05T11:37:44.650821Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:37:44.650821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Integrated Silicon Nitride Devices via Inverse Design","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["physics.app-ph"],"primary_cat":"physics.optics","authors_text":"Julian L. Pita Ruiz, Micha\\\"el M\\'enard, Narges Dalvand","submitted_at":"2025-05-05T14:08:32Z","abstract_excerpt":"Integrated photonic devices made of silicon nitride (SiN), which can be integrated with silicon-on-insulator and III-V platforms, are expected to drive the expansion of silicon photonics technology. However, the relatively low refractive index contrast of SiN is often considered a limitation for creating compact and efficient devices. Here, we present three freeform SiN devices-a coarse wavelength-division multiplexer, a five-mode mode-division multiplexer, and a polarization beam splitter-while systematically benchmarking both the design capability and the fabrication repeatability and robust"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.02662","kind":"arxiv","version":2},"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/2505.02662/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"2505.02662","created_at":"2026-07-05T11:37:44.650881+00:00"},{"alias_kind":"arxiv_version","alias_value":"2505.02662v2","created_at":"2026-07-05T11:37:44.650881+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.02662","created_at":"2026-07-05T11:37:44.650881+00:00"},{"alias_kind":"pith_short_12","alias_value":"R6S4BBESU4GD","created_at":"2026-07-05T11:37:44.650881+00:00"},{"alias_kind":"pith_short_16","alias_value":"R6S4BBESU4GDM3OE","created_at":"2026-07-05T11:37:44.650881+00:00"},{"alias_kind":"pith_short_8","alias_value":"R6S4BBES","created_at":"2026-07-05T11:37:44.650881+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/R6S4BBESU4GDM3OEOXRLS37V53","json":"https://pith.science/pith/R6S4BBESU4GDM3OEOXRLS37V53.json","graph_json":"https://pith.science/api/pith-number/R6S4BBESU4GDM3OEOXRLS37V53/graph.json","events_json":"https://pith.science/api/pith-number/R6S4BBESU4GDM3OEOXRLS37V53/events.json","paper":"https://pith.science/paper/R6S4BBES"},"agent_actions":{"view_html":"https://pith.science/pith/R6S4BBESU4GDM3OEOXRLS37V53","download_json":"https://pith.science/pith/R6S4BBESU4GDM3OEOXRLS37V53.json","view_paper":"https://pith.science/paper/R6S4BBES","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2505.02662&json=true","fetch_graph":"https://pith.science/api/pith-number/R6S4BBESU4GDM3OEOXRLS37V53/graph.json","fetch_events":"https://pith.science/api/pith-number/R6S4BBESU4GDM3OEOXRLS37V53/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/R6S4BBESU4GDM3OEOXRLS37V53/action/timestamp_anchor","attest_storage":"https://pith.science/pith/R6S4BBESU4GDM3OEOXRLS37V53/action/storage_attestation","attest_author":"https://pith.science/pith/R6S4BBESU4GDM3OEOXRLS37V53/action/author_attestation","sign_citation":"https://pith.science/pith/R6S4BBESU4GDM3OEOXRLS37V53/action/citation_signature","submit_replication":"https://pith.science/pith/R6S4BBESU4GDM3OEOXRLS37V53/action/replication_record"}},"created_at":"2026-07-05T11:37:44.650881+00:00","updated_at":"2026-07-05T11:37:44.650881+00:00"}