{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:33PCLFQ44H757JIMRMYZTV3IA6","short_pith_number":"pith:33PCLFQ4","canonical_record":{"source":{"id":"1801.09958","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-30T12:31:28Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"42ac97857579267372d5b5010e7639611f4574d5ef857dc581375a12a5e2d5fd","abstract_canon_sha256":"5d109dd528c7497f475aced0d7179f5016249bba6448de1d621ef7083ca340d3"},"schema_version":"1.0"},"canonical_sha256":"dede25961ce1ffdfa50c8b3199d76807a9aafadaea6a6e0c26078c3dd359b520","source":{"kind":"arxiv","id":"1801.09958","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.09958","created_at":"2026-05-18T00:08:48Z"},{"alias_kind":"arxiv_version","alias_value":"1801.09958v2","created_at":"2026-05-18T00:08:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.09958","created_at":"2026-05-18T00:08:48Z"},{"alias_kind":"pith_short_12","alias_value":"33PCLFQ44H75","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"33PCLFQ44H757JIM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"33PCLFQ4","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:33PCLFQ44H757JIMRMYZTV3IA6","target":"record","payload":{"canonical_record":{"source":{"id":"1801.09958","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-30T12:31:28Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"42ac97857579267372d5b5010e7639611f4574d5ef857dc581375a12a5e2d5fd","abstract_canon_sha256":"5d109dd528c7497f475aced0d7179f5016249bba6448de1d621ef7083ca340d3"},"schema_version":"1.0"},"canonical_sha256":"dede25961ce1ffdfa50c8b3199d76807a9aafadaea6a6e0c26078c3dd359b520","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:08:48.296770Z","signature_b64":"4w7aTsnL6Uz3nJDjWsnERdymonfySgjxdC07zsJF9JkGJ9vDW1wdGjDKv5KCHQoVYhpsw/6o2kag6s8xntDJAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dede25961ce1ffdfa50c8b3199d76807a9aafadaea6a6e0c26078c3dd359b520","last_reissued_at":"2026-05-18T00:08:48.296253Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:08:48.296253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1801.09958","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":"2026-05-18T00:08:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T3gBDrpnrl0zfZ8gGg74DFKnhpxMLl5m3ed0c3TVpk8Fqmn8FVoxjSrC6lj/mDluYKfBe/6PbJlmmUS8AAkrBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T12:37:04.011201Z"},"content_sha256":"d020408109837e1c927bd94be0d86c97716461efc296f99c346ebf03167d6e49","schema_version":"1.0","event_id":"sha256:d020408109837e1c927bd94be0d86c97716461efc296f99c346ebf03167d6e49"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:33PCLFQ44H757JIMRMYZTV3IA6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-Reciprocal Transmission and Reflection of a Chirally-Coupled Quantum Dot","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"A.M. Fox, B. Royall, C. Bentham, D.L. Hurst, D.M. Price, E. Clarke, L.R. Wilson, M.N. Makhonin, M.S. Skolnick, P. Kok","submitted_at":"2018-01-30T12:31:28Z","abstract_excerpt":"We report strongly non-reciprocal behaviour for quantum dot exciton spins coupled to nano-photonic waveguides under resonant laser excitation. A clear dependence of the transmission spectrum on the propagation direction is found for a chirally-coupled quantum dot, with spin up and spin down exciton spins coupling to the left and right propagation directions respectively. The reflection signal shows an opposite trend to the transmission, which a numerical model indicates is due to direction-selective saturation of the quantum dot. The chiral spin-photon interface we demonstrate breaks reciproci"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.09958","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":"2026-05-18T00:08:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v+47uye4nURuNooVfy9CkDbjdy4MTgQR9FOikzru5C0eoG8TIMzws6Afm/BKj3JC4bSBzrYZbPuNvsmM3j86AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T12:37:04.011564Z"},"content_sha256":"0433396174334a6bf7d99213163f6471186069854acd44334ebefac188b67b11","schema_version":"1.0","event_id":"sha256:0433396174334a6bf7d99213163f6471186069854acd44334ebefac188b67b11"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/33PCLFQ44H757JIMRMYZTV3IA6/bundle.json","state_url":"https://pith.science/pith/33PCLFQ44H757JIMRMYZTV3IA6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/33PCLFQ44H757JIMRMYZTV3IA6/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":"2026-05-19T12:37:04Z","links":{"resolver":"https://pith.science/pith/33PCLFQ44H757JIMRMYZTV3IA6","bundle":"https://pith.science/pith/33PCLFQ44H757JIMRMYZTV3IA6/bundle.json","state":"https://pith.science/pith/33PCLFQ44H757JIMRMYZTV3IA6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/33PCLFQ44H757JIMRMYZTV3IA6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:33PCLFQ44H757JIMRMYZTV3IA6","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":"5d109dd528c7497f475aced0d7179f5016249bba6448de1d621ef7083ca340d3","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-30T12:31:28Z","title_canon_sha256":"42ac97857579267372d5b5010e7639611f4574d5ef857dc581375a12a5e2d5fd"},"schema_version":"1.0","source":{"id":"1801.09958","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1801.09958","created_at":"2026-05-18T00:08:48Z"},{"alias_kind":"arxiv_version","alias_value":"1801.09958v2","created_at":"2026-05-18T00:08:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1801.09958","created_at":"2026-05-18T00:08:48Z"},{"alias_kind":"pith_short_12","alias_value":"33PCLFQ44H75","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"33PCLFQ44H757JIM","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"33PCLFQ4","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:0433396174334a6bf7d99213163f6471186069854acd44334ebefac188b67b11","target":"graph","created_at":"2026-05-18T00:08:48Z","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 report strongly non-reciprocal behaviour for quantum dot exciton spins coupled to nano-photonic waveguides under resonant laser excitation. A clear dependence of the transmission spectrum on the propagation direction is found for a chirally-coupled quantum dot, with spin up and spin down exciton spins coupling to the left and right propagation directions respectively. The reflection signal shows an opposite trend to the transmission, which a numerical model indicates is due to direction-selective saturation of the quantum dot. The chiral spin-photon interface we demonstrate breaks reciproci","authors_text":"A.M. Fox, B. Royall, C. Bentham, D.L. Hurst, D.M. Price, E. Clarke, L.R. Wilson, M.N. Makhonin, M.S. Skolnick, P. Kok","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-30T12:31:28Z","title":"Non-Reciprocal Transmission and Reflection of a Chirally-Coupled Quantum Dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1801.09958","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:d020408109837e1c927bd94be0d86c97716461efc296f99c346ebf03167d6e49","target":"record","created_at":"2026-05-18T00:08:48Z","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":"5d109dd528c7497f475aced0d7179f5016249bba6448de1d621ef7083ca340d3","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2018-01-30T12:31:28Z","title_canon_sha256":"42ac97857579267372d5b5010e7639611f4574d5ef857dc581375a12a5e2d5fd"},"schema_version":"1.0","source":{"id":"1801.09958","kind":"arxiv","version":2}},"canonical_sha256":"dede25961ce1ffdfa50c8b3199d76807a9aafadaea6a6e0c26078c3dd359b520","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dede25961ce1ffdfa50c8b3199d76807a9aafadaea6a6e0c26078c3dd359b520","first_computed_at":"2026-05-18T00:08:48.296253Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:08:48.296253Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4w7aTsnL6Uz3nJDjWsnERdymonfySgjxdC07zsJF9JkGJ9vDW1wdGjDKv5KCHQoVYhpsw/6o2kag6s8xntDJAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:08:48.296770Z","signed_message":"canonical_sha256_bytes"},"source_id":"1801.09958","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d020408109837e1c927bd94be0d86c97716461efc296f99c346ebf03167d6e49","sha256:0433396174334a6bf7d99213163f6471186069854acd44334ebefac188b67b11"],"state_sha256":"424e1f8dc5b832807afde90d762b3e13146baddb500eb38c59f9c453d5b292dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cgt4K0f0WtMyyGjxMvoxRR19zrAh4HJaxlgeFGLPl7XhyG2HmZEAh3HDJnJ1x6s5GhjRq5rLDuIiR3HqBGLPCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T12:37:04.013405Z","bundle_sha256":"7eebb640d64b040209a564d974b98b9e7e8ef774d0dead90bdf27051b1c272c7"}}