{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:DVDVT3FFEM23AL2XBPMQNST7GR","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":"76a6c55e5ffaf45d1826884df2e254b1db124ff02a628590061ddd3895a1d2c1","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-16T23:17:38Z","title_canon_sha256":"abd3be53e106c1a920070b1ca270121aea7e330506b6624c336b73b84a6d1ec6"},"schema_version":"1.0","source":{"id":"1510.05047","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.05047","created_at":"2026-05-18T01:16:48Z"},{"alias_kind":"arxiv_version","alias_value":"1510.05047v1","created_at":"2026-05-18T01:16:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.05047","created_at":"2026-05-18T01:16:48Z"},{"alias_kind":"pith_short_12","alias_value":"DVDVT3FFEM23","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"DVDVT3FFEM23AL2X","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"DVDVT3FF","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:8d0577ce04585bc218cec6e539e62882dfb44e75a4bc39540bcede0cd2e1fcba","target":"graph","created_at":"2026-05-18T01:16:48Z","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":"We present chip-scale transmission measurements for three key components of a GaP-on-diamond integrated photonics platform: waveguide-coupled disk resonators, directional couplers, and grating couplers. We also present proof-of-principle measurements demonstrating nitrogen-vacancy (NV) center emission coupled into selected devices. The demonstrated device performance, uniformity and yield place the platform in a strong position to realize measurement-based quantum information protocols utilizing the NV center in diamond.","authors_text":"Fariba Hatami, Ian R. Christen, Kai-Mei C. Fu, Michael Gould, Minjoo Larry Lee, Nicole Thomas, Shabnam Dadgostar, Srivatsa Chakravarthi, Yuncheng Song","cross_cats":["physics.optics","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-16T23:17:38Z","title":"A Large-Scale GaP-on-Diamond Integrated Photonics Platform for NV Center-Based Quantum Information"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.05047","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:e5338c585b6446c9a87fed3f1fdc7840600cf879442658f7f5cbacc383c525fd","target":"record","created_at":"2026-05-18T01:16:48Z","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":"76a6c55e5ffaf45d1826884df2e254b1db124ff02a628590061ddd3895a1d2c1","cross_cats_sorted":["physics.optics","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-10-16T23:17:38Z","title_canon_sha256":"abd3be53e106c1a920070b1ca270121aea7e330506b6624c336b73b84a6d1ec6"},"schema_version":"1.0","source":{"id":"1510.05047","kind":"arxiv","version":1}},"canonical_sha256":"1d4759eca52335b02f570bd906ca7f345d2535651050b3551ae6abc87442ee75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d4759eca52335b02f570bd906ca7f345d2535651050b3551ae6abc87442ee75","first_computed_at":"2026-05-18T01:16:48.001534Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:48.001534Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FrlSrMhAFe24oyJ5Sx9u0E5u3duHYV8usbAV10PfHAU1c2etL09NrjR80CxAne0xklQLmQ35eqq7bUs7gq6JAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:48.002164Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.05047","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e5338c585b6446c9a87fed3f1fdc7840600cf879442658f7f5cbacc383c525fd","sha256:8d0577ce04585bc218cec6e539e62882dfb44e75a4bc39540bcede0cd2e1fcba"],"state_sha256":"939b81250bf38fa296cc17352fc2a465a46ac344e41d6a6c8f9e3bb6b656f255"}