{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:P2FK357PX2IXYLCKTG3C64OPWM","short_pith_number":"pith:P2FK357P","canonical_record":{"source":{"id":"2301.01706","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-01-04T17:03:04Z","cross_cats_sorted":["cond-mat.mes-hall","physics.app-ph"],"title_canon_sha256":"0f560ce9e6f0823e269ce6292dc898b0c2c97e4f876254bf341d3e7047db6b52","abstract_canon_sha256":"2b0bcfad99fe6e6b02ddbe0bfa951fb292d675188dca187c9071ce8dfaf131cb"},"schema_version":"1.0"},"canonical_sha256":"7e8aadf7efbe917c2c4a99b62f71cfb33dd4e96abba28922e60734d43d5970bf","source":{"kind":"arxiv","id":"2301.01706","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.01706","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"arxiv_version","alias_value":"2301.01706v1","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.01706","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"pith_short_12","alias_value":"P2FK357PX2IX","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"P2FK357PX2IXYLCK","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"P2FK357P","created_at":"2026-07-05T05:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:P2FK357PX2IXYLCKTG3C64OPWM","target":"record","payload":{"canonical_record":{"source":{"id":"2301.01706","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-01-04T17:03:04Z","cross_cats_sorted":["cond-mat.mes-hall","physics.app-ph"],"title_canon_sha256":"0f560ce9e6f0823e269ce6292dc898b0c2c97e4f876254bf341d3e7047db6b52","abstract_canon_sha256":"2b0bcfad99fe6e6b02ddbe0bfa951fb292d675188dca187c9071ce8dfaf131cb"},"schema_version":"1.0"},"canonical_sha256":"7e8aadf7efbe917c2c4a99b62f71cfb33dd4e96abba28922e60734d43d5970bf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:30:39.872182Z","signature_b64":"LZ9VLTdYGIPIjGyLDwvwnDnFbhPiXpHzGZkA7UnnqgCVsOjD+1e/SjnYC4pPGDE8eCXMo515MzeDphMoyuk5Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7e8aadf7efbe917c2c4a99b62f71cfb33dd4e96abba28922e60734d43d5970bf","last_reissued_at":"2026-07-05T05:30:39.871748Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:30:39.871748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2301.01706","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:30:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"b8wTEfZZ68QDXhrE/JP0ado0alZUPO8N7pCSfuOf2hl5q9VDCg7kHqL64fbgphed3T1aYNKOiL3L9sA5kbnlAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:41:33.744528Z"},"content_sha256":"994b289cbe4918d8cf222c4c568911f6f77e981b2e14992025a9535bfd6537e2","schema_version":"1.0","event_id":"sha256:994b289cbe4918d8cf222c4c568911f6f77e981b2e14992025a9535bfd6537e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:P2FK357PX2IXYLCKTG3C64OPWM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On-chip Hong-Ou-Mandel interference from separate quantum dot emitters in an integrated circuit","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.app-ph"],"primary_cat":"quant-ph","authors_text":"Christian Schneider, Dominik K\\\"ock, {\\L}ukasz Dusanowski, Sven H\\\"ofling","submitted_at":"2023-01-04T17:03:04Z","abstract_excerpt":"Scalable quantum photonic technologies require low-loss integration of many identical single-photon sources with photonic circuitry on a chip. Relatively complex quantum photonic circuits have already been demonstrated; however, sources used so far relied on parametric-down-conversion. Hence, the efficiency and scalability are intrinsically limited by the probabilistic nature of the sources. Quantum emitter-based single-photon sources are free of this limitation, but frequency matching of multiple emitters within a single circuit remains a challenge. In this work, we demonstrate a key componen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.01706","kind":"arxiv","version":1},"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/2301.01706/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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T05:30:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IYGXn7GIHFoAc4DPA6oX16kp2vRMOzWdT5ApWUy/CoyI0dzQXkBvmKWRFhjn+s96gIyjf0PCL3yBTR1VjO1KAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:41:33.745043Z"},"content_sha256":"06fb4ddd71bde57a5bb3250181af60c0a6adbe6224048f20730b7bc41633f70b","schema_version":"1.0","event_id":"sha256:06fb4ddd71bde57a5bb3250181af60c0a6adbe6224048f20730b7bc41633f70b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P2FK357PX2IXYLCKTG3C64OPWM/bundle.json","state_url":"https://pith.science/pith/P2FK357PX2IXYLCKTG3C64OPWM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P2FK357PX2IXYLCKTG3C64OPWM/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-07T01:41:33Z","links":{"resolver":"https://pith.science/pith/P2FK357PX2IXYLCKTG3C64OPWM","bundle":"https://pith.science/pith/P2FK357PX2IXYLCKTG3C64OPWM/bundle.json","state":"https://pith.science/pith/P2FK357PX2IXYLCKTG3C64OPWM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P2FK357PX2IXYLCKTG3C64OPWM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:P2FK357PX2IXYLCKTG3C64OPWM","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":"2b0bcfad99fe6e6b02ddbe0bfa951fb292d675188dca187c9071ce8dfaf131cb","cross_cats_sorted":["cond-mat.mes-hall","physics.app-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-01-04T17:03:04Z","title_canon_sha256":"0f560ce9e6f0823e269ce6292dc898b0c2c97e4f876254bf341d3e7047db6b52"},"schema_version":"1.0","source":{"id":"2301.01706","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2301.01706","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"arxiv_version","alias_value":"2301.01706v1","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2301.01706","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"pith_short_12","alias_value":"P2FK357PX2IX","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"P2FK357PX2IXYLCK","created_at":"2026-07-05T05:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"P2FK357P","created_at":"2026-07-05T05:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:06fb4ddd71bde57a5bb3250181af60c0a6adbe6224048f20730b7bc41633f70b","target":"graph","created_at":"2026-07-05T05:30:39Z","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/2301.01706/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Scalable quantum photonic technologies require low-loss integration of many identical single-photon sources with photonic circuitry on a chip. Relatively complex quantum photonic circuits have already been demonstrated; however, sources used so far relied on parametric-down-conversion. Hence, the efficiency and scalability are intrinsically limited by the probabilistic nature of the sources. Quantum emitter-based single-photon sources are free of this limitation, but frequency matching of multiple emitters within a single circuit remains a challenge. In this work, we demonstrate a key componen","authors_text":"Christian Schneider, Dominik K\\\"ock, {\\L}ukasz Dusanowski, Sven H\\\"ofling","cross_cats":["cond-mat.mes-hall","physics.app-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-01-04T17:03:04Z","title":"On-chip Hong-Ou-Mandel interference from separate quantum dot emitters in an integrated circuit"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2301.01706","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":"sha256:994b289cbe4918d8cf222c4c568911f6f77e981b2e14992025a9535bfd6537e2","target":"record","created_at":"2026-07-05T05:30:39Z","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":"2b0bcfad99fe6e6b02ddbe0bfa951fb292d675188dca187c9071ce8dfaf131cb","cross_cats_sorted":["cond-mat.mes-hall","physics.app-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"quant-ph","submitted_at":"2023-01-04T17:03:04Z","title_canon_sha256":"0f560ce9e6f0823e269ce6292dc898b0c2c97e4f876254bf341d3e7047db6b52"},"schema_version":"1.0","source":{"id":"2301.01706","kind":"arxiv","version":1}},"canonical_sha256":"7e8aadf7efbe917c2c4a99b62f71cfb33dd4e96abba28922e60734d43d5970bf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7e8aadf7efbe917c2c4a99b62f71cfb33dd4e96abba28922e60734d43d5970bf","first_computed_at":"2026-07-05T05:30:39.871748Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:30:39.871748Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LZ9VLTdYGIPIjGyLDwvwnDnFbhPiXpHzGZkA7UnnqgCVsOjD+1e/SjnYC4pPGDE8eCXMo515MzeDphMoyuk5Bw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:30:39.872182Z","signed_message":"canonical_sha256_bytes"},"source_id":"2301.01706","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:994b289cbe4918d8cf222c4c568911f6f77e981b2e14992025a9535bfd6537e2","sha256:06fb4ddd71bde57a5bb3250181af60c0a6adbe6224048f20730b7bc41633f70b"],"state_sha256":"38e1332a4f22d41e9e0bcc3f13d46e278ff8c65663f1d7bf2ab5d87d6ae83fae"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bj2YPls+Fgf8+Q5GEMM4da2/og0Fe9lrw1uMhnCssI7Ubg+jCpdLlFZbRGSOop9E64c3TVC4BrCR+y2IGNkrCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T01:41:33.748691Z","bundle_sha256":"eb95093ca2f208b17aff80556d50f1593139f11f8a9d20cd175a9c5a819c5355"}}