{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ALDAVBCA5JR6IQAU3UOA6H2SI6","short_pith_number":"pith:ALDAVBCA","canonical_record":{"source":{"id":"1403.2635","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-11T16:38:32Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"b533fac503fcb862d50300babfa22a1ab92e8d0341feb258bf071c18783cea41","abstract_canon_sha256":"fad7644b0417963e7e3a4537215b979f269607aa5805938b73f08399ba93f870"},"schema_version":"1.0"},"canonical_sha256":"02c60a8440ea63e44014dd1c0f1f524797e21a734de4d8fb38ecb6201acb962c","source":{"kind":"arxiv","id":"1403.2635","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.2635","created_at":"2026-05-18T01:59:58Z"},{"alias_kind":"arxiv_version","alias_value":"1403.2635v2","created_at":"2026-05-18T01:59:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2635","created_at":"2026-05-18T01:59:58Z"},{"alias_kind":"pith_short_12","alias_value":"ALDAVBCA5JR6","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"ALDAVBCA5JR6IQAU","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"ALDAVBCA","created_at":"2026-05-18T12:28:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ALDAVBCA5JR6IQAU3UOA6H2SI6","target":"record","payload":{"canonical_record":{"source":{"id":"1403.2635","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-11T16:38:32Z","cross_cats_sorted":["physics.optics"],"title_canon_sha256":"b533fac503fcb862d50300babfa22a1ab92e8d0341feb258bf071c18783cea41","abstract_canon_sha256":"fad7644b0417963e7e3a4537215b979f269607aa5805938b73f08399ba93f870"},"schema_version":"1.0"},"canonical_sha256":"02c60a8440ea63e44014dd1c0f1f524797e21a734de4d8fb38ecb6201acb962c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:58.740604Z","signature_b64":"kx0B9320L/KB+hN/5PFR482lmcjnqTLaThcXUzIDMt1CdpYtYYKIP0wSBRxHenscekODsbdkp4EncCkemHHyDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"02c60a8440ea63e44014dd1c0f1f524797e21a734de4d8fb38ecb6201acb962c","last_reissued_at":"2026-05-18T01:59:58.740000Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:58.740000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1403.2635","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:59:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qazkOBKJWVMmXNMB+mvDQu2+2+1umMLU3/mDw/RiWXYMNNAbYPW1rSGPW5ilS4bEW9WUebE9cBwh1DIRBVCgCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:30:16.327697Z"},"content_sha256":"c3c53f81939617eaab5a1596e53e9d6c03833289f363fb2ea6ba0a6e4ac9b339","schema_version":"1.0","event_id":"sha256:c3c53f81939617eaab5a1596e53e9d6c03833289f363fb2ea6ba0a6e4ac9b339"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ALDAVBCA5JR6IQAU3UOA6H2SI6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gallium Arsenide (GaAs) Quantum Photonic Waveguide Circuits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.optics"],"primary_cat":"quant-ph","authors_text":"Alberto Santamato, Chandra M. Natarajan, Damien Bonneau, Erman Engin, Jeremy L. O'Brien, Jianwei Wang, Johannes Beetz, Joshua W. Silverstone, Mark G. Thompson, Martin Kamp, Matthias Lermer, Michael G. Tanner, Pisu Jiang, Robert H. Hadfield, Sander N. Dorenbos, Sven Hofling, Val Zwiller","submitted_at":"2014-03-11T16:38:32Z","abstract_excerpt":"Integrated quantum photonics is a promising approach for future practical and large-scale quantum information processing technologies, with the prospect of on-chip generation, manipulation and measurement of complex quantum states of light. The gallium arsenide (GaAs) material system is a promising technology platform, and has already successfully demonstrated key components including waveguide integrated single-photon sources and integrated single-photon detectors. However, quantum circuits capable of manipulating quantum states of light have so far not been investigated in this material syst"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2635","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":""},"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":"2026-05-18T01:59:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wKXSxXvzqpsfWfcOZD9/6UlRGRNnPXO8wWkPEUKlQ64YVSirO51A7BEKsK8giOr4RTp+lXfmCFK5Bw0NuoEuBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T19:30:16.328480Z"},"content_sha256":"07e35ee2914d8f3010d87014856617636511aa69095f5cc64410306afc916579","schema_version":"1.0","event_id":"sha256:07e35ee2914d8f3010d87014856617636511aa69095f5cc64410306afc916579"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ALDAVBCA5JR6IQAU3UOA6H2SI6/bundle.json","state_url":"https://pith.science/pith/ALDAVBCA5JR6IQAU3UOA6H2SI6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ALDAVBCA5JR6IQAU3UOA6H2SI6/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":"2026-05-30T19:30:16Z","links":{"resolver":"https://pith.science/pith/ALDAVBCA5JR6IQAU3UOA6H2SI6","bundle":"https://pith.science/pith/ALDAVBCA5JR6IQAU3UOA6H2SI6/bundle.json","state":"https://pith.science/pith/ALDAVBCA5JR6IQAU3UOA6H2SI6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ALDAVBCA5JR6IQAU3UOA6H2SI6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ALDAVBCA5JR6IQAU3UOA6H2SI6","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":"fad7644b0417963e7e3a4537215b979f269607aa5805938b73f08399ba93f870","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-11T16:38:32Z","title_canon_sha256":"b533fac503fcb862d50300babfa22a1ab92e8d0341feb258bf071c18783cea41"},"schema_version":"1.0","source":{"id":"1403.2635","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1403.2635","created_at":"2026-05-18T01:59:58Z"},{"alias_kind":"arxiv_version","alias_value":"1403.2635v2","created_at":"2026-05-18T01:59:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1403.2635","created_at":"2026-05-18T01:59:58Z"},{"alias_kind":"pith_short_12","alias_value":"ALDAVBCA5JR6","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_16","alias_value":"ALDAVBCA5JR6IQAU","created_at":"2026-05-18T12:28:19Z"},{"alias_kind":"pith_short_8","alias_value":"ALDAVBCA","created_at":"2026-05-18T12:28:19Z"}],"graph_snapshots":[{"event_id":"sha256:07e35ee2914d8f3010d87014856617636511aa69095f5cc64410306afc916579","target":"graph","created_at":"2026-05-18T01:59:58Z","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":"Integrated quantum photonics is a promising approach for future practical and large-scale quantum information processing technologies, with the prospect of on-chip generation, manipulation and measurement of complex quantum states of light. The gallium arsenide (GaAs) material system is a promising technology platform, and has already successfully demonstrated key components including waveguide integrated single-photon sources and integrated single-photon detectors. However, quantum circuits capable of manipulating quantum states of light have so far not been investigated in this material syst","authors_text":"Alberto Santamato, Chandra M. Natarajan, Damien Bonneau, Erman Engin, Jeremy L. O'Brien, Jianwei Wang, Johannes Beetz, Joshua W. Silverstone, Mark G. Thompson, Martin Kamp, Matthias Lermer, Michael G. Tanner, Pisu Jiang, Robert H. Hadfield, Sander N. Dorenbos, Sven Hofling, Val Zwiller","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-11T16:38:32Z","title":"Gallium Arsenide (GaAs) Quantum Photonic Waveguide Circuits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1403.2635","kind":"arxiv","version":2},"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:c3c53f81939617eaab5a1596e53e9d6c03833289f363fb2ea6ba0a6e4ac9b339","target":"record","created_at":"2026-05-18T01:59:58Z","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":"fad7644b0417963e7e3a4537215b979f269607aa5805938b73f08399ba93f870","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2014-03-11T16:38:32Z","title_canon_sha256":"b533fac503fcb862d50300babfa22a1ab92e8d0341feb258bf071c18783cea41"},"schema_version":"1.0","source":{"id":"1403.2635","kind":"arxiv","version":2}},"canonical_sha256":"02c60a8440ea63e44014dd1c0f1f524797e21a734de4d8fb38ecb6201acb962c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"02c60a8440ea63e44014dd1c0f1f524797e21a734de4d8fb38ecb6201acb962c","first_computed_at":"2026-05-18T01:59:58.740000Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:58.740000Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kx0B9320L/KB+hN/5PFR482lmcjnqTLaThcXUzIDMt1CdpYtYYKIP0wSBRxHenscekODsbdkp4EncCkemHHyDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:58.740604Z","signed_message":"canonical_sha256_bytes"},"source_id":"1403.2635","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c3c53f81939617eaab5a1596e53e9d6c03833289f363fb2ea6ba0a6e4ac9b339","sha256:07e35ee2914d8f3010d87014856617636511aa69095f5cc64410306afc916579"],"state_sha256":"0d1844f92559d30c5c26a56d05054d32fb307648818a9acfaf206d1aca33b150"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aclvBvazkUquoPBGEG7uRfb4SAt1iKzz4E8l7W9CiQPkUPpyA1WDBCj36o0TTxLNFXCGDCfSIeF3rMtW0kqXCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T19:30:16.332336Z","bundle_sha256":"a76967eb58459648ea437916204be538d447c8b6c05005f98ccd9f9e375567ec"}}