{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:MPQYMRRR2G3PQL64D4DNPQPYI3","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":"fe05317dd187c131b465fa3dceeefb389b91271b117fe77367d9bc31106262eb","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-04T16:43:36Z","title_canon_sha256":"83592b9d7499672fbc2b26bb2521a702376eb51d3fab197a2ee498cd7abce379"},"schema_version":"1.0","source":{"id":"2407.04048","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.04048","created_at":"2026-07-05T08:40:27Z"},{"alias_kind":"arxiv_version","alias_value":"2407.04048v1","created_at":"2026-07-05T08:40:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.04048","created_at":"2026-07-05T08:40:27Z"},{"alias_kind":"pith_short_12","alias_value":"MPQYMRRR2G3P","created_at":"2026-07-05T08:40:27Z"},{"alias_kind":"pith_short_16","alias_value":"MPQYMRRR2G3PQL64","created_at":"2026-07-05T08:40:27Z"},{"alias_kind":"pith_short_8","alias_value":"MPQYMRRR","created_at":"2026-07-05T08:40:27Z"}],"graph_snapshots":[{"event_id":"sha256:6bef373fe0902fe9aaa0b15305ffade75407d7a4fbc572ccf0abf3c183d2cab1","target":"graph","created_at":"2026-07-05T08:40:27Z","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/2407.04048/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Optical quantum communication technologies are making the prospect of unconditionally secure and efficient information transfer a reality. The possibility of generating and reliably detecting quantum states of light, with the further need of increasing the private data-rate is where most research efforts are focusing. The physical concept of entanglement is a solution guaranteeing the highest degree of security in device-independent schemes, yet its implementation and preservation over long communication links is hard to achieve. Lithium niobate-on-insulator has emerged as a revolutionising pl","authors_text":"Alessandra Sabatti, Andreas Maeder, Filippo Miserocchi, Giovanni Finco, Jost Kellner, Rachel Grange, Robert J. Chapman","cross_cats":["physics.optics"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-04T16:43:36Z","title":"Time-bin entangled Bell state generation and tomography on thin-film lithium niobate"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.04048","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":"sha256:26af3b8d4410fb030be253f9b0a69e25682f5fc5ecfc84d60b225a371c3653e0","target":"record","created_at":"2026-07-05T08:40:27Z","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":"fe05317dd187c131b465fa3dceeefb389b91271b117fe77367d9bc31106262eb","cross_cats_sorted":["physics.optics"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2024-07-04T16:43:36Z","title_canon_sha256":"83592b9d7499672fbc2b26bb2521a702376eb51d3fab197a2ee498cd7abce379"},"schema_version":"1.0","source":{"id":"2407.04048","kind":"arxiv","version":1}},"canonical_sha256":"63e1864631d1b6f82fdc1f06d7c1f846db26ad689a9738b2815a3b3315f79249","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"63e1864631d1b6f82fdc1f06d7c1f846db26ad689a9738b2815a3b3315f79249","first_computed_at":"2026-07-05T08:40:27.967293Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:40:27.967293Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tuNx9PNmBGoyn5+HhDe+UUULOfmrwifkB/j4VRlev8pkdSImwGPee18SvGtUAX1wjXKLwQ24+4YpSoXz0N7SAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:40:27.967764Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.04048","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26af3b8d4410fb030be253f9b0a69e25682f5fc5ecfc84d60b225a371c3653e0","sha256:6bef373fe0902fe9aaa0b15305ffade75407d7a4fbc572ccf0abf3c183d2cab1"],"state_sha256":"3a762eb940c6902331ccb9aa4ca3e8dc674d25aa9d4a3e50e23ee498932f829b"}