{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:7EAM7YTMN7EEE5J2UFKNB5ZMA2","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":"50df955b2188c7e512a7cf5a906fd5baa6f0b05ca420472bf987f0d54ba08c85","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-02-09T18:21:00Z","title_canon_sha256":"e5a9070b2bccde1c33acb5f6ffdac5bb7bf1c4dbe8323ec4c1c758d8612442ec"},"schema_version":"1.0","source":{"id":"2202.04615","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.04615","created_at":"2026-07-05T11:51:11Z"},{"alias_kind":"arxiv_version","alias_value":"2202.04615v1","created_at":"2026-07-05T11:51:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.04615","created_at":"2026-07-05T11:51:11Z"},{"alias_kind":"pith_short_12","alias_value":"7EAM7YTMN7EE","created_at":"2026-07-05T11:51:11Z"},{"alias_kind":"pith_short_16","alias_value":"7EAM7YTMN7EEE5J2","created_at":"2026-07-05T11:51:11Z"},{"alias_kind":"pith_short_8","alias_value":"7EAM7YTM","created_at":"2026-07-05T11:51:11Z"}],"graph_snapshots":[{"event_id":"sha256:d6db4aa677be122513b3b9d93fc4d698c77c66a2dc955d4754f3d3cb4527bb61","target":"graph","created_at":"2026-07-05T11:51:11Z","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/2202.04615/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A central requirement for photonic quantum information processing systems lies in the combination of nonclassical light sources and low-loss, phase-stable optical modes. While substantial progress has been made separately towards ultra-low loss, $\\leq1$ dB/m, chip-scale photonic circuits and high brightness single-photon sources, integration of these technologies has remained elusive. Here, we report a significant advance towards this goal, in the hybrid integration of a quantum emitter single-photon source with a wafer-scale, ultra-low loss silicon nitride photonic integrated circuit. We demo","authors_text":"Ashish Chanana, Biswarup Guha, Daniel J. Blumenthal, Dirk Englund, Hugo Larocque, Jacques Carolan, Jin Dong Song, Kartik Srinivasan, Marcelo Davanco, Renan Moreira, Vikas Anant","cross_cats":["physics.app-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-02-09T18:21:00Z","title":"Triggered single-photon generation and resonance fluorescence in ultra-low loss integrated photonic circuits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.04615","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":"sha256:6f9e542743be3ff75419d01d540c7086f76fc5ebcb9107ef8e5f1c8f06459b5e","target":"record","created_at":"2026-07-05T11:51:11Z","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":"50df955b2188c7e512a7cf5a906fd5baa6f0b05ca420472bf987f0d54ba08c85","cross_cats_sorted":["physics.app-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.optics","submitted_at":"2022-02-09T18:21:00Z","title_canon_sha256":"e5a9070b2bccde1c33acb5f6ffdac5bb7bf1c4dbe8323ec4c1c758d8612442ec"},"schema_version":"1.0","source":{"id":"2202.04615","kind":"arxiv","version":1}},"canonical_sha256":"f900cfe26c6fc842753aa154d0f72c0695e8b3d7ae60eebcdcb2902914237906","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f900cfe26c6fc842753aa154d0f72c0695e8b3d7ae60eebcdcb2902914237906","first_computed_at":"2026-07-05T11:51:11.916985Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:51:11.916985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"j2hy8z4irtgsEbjNaClseJG4fNEZM9Kv6npIYTDQqP78F69MEhf4TiOq0UkXbVRGoDgHCIT1sutaX53/tnSUAA==","signature_status":"signed_v1","signed_at":"2026-07-05T11:51:11.917588Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.04615","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f9e542743be3ff75419d01d540c7086f76fc5ebcb9107ef8e5f1c8f06459b5e","sha256:d6db4aa677be122513b3b9d93fc4d698c77c66a2dc955d4754f3d3cb4527bb61"],"state_sha256":"833f38d806ac9939b38bf3835a18b7c52f58dd355d18d17ad341bda28a85cc2c"}