{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:44KVIKQ5R364MSZWN2GJVFWTY3","short_pith_number":"pith:44KVIKQ5","canonical_record":{"source":{"id":"1702.03422","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-11T12:44:09Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"716bbcbfaa18feb7711073d7a451aa25a3f1e00fe71645c6677cc2d234fe6f0d","abstract_canon_sha256":"4feb4972661ef51da7856444df94cfefb2bbad70abe84312b6c3324bf3695e4e"},"schema_version":"1.0"},"canonical_sha256":"e715542a1d8efdc64b366e8c9a96d3c6c9911725e34166d0e26a24660e4ded73","source":{"kind":"arxiv","id":"1702.03422","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.03422","created_at":"2026-05-18T00:40:30Z"},{"alias_kind":"arxiv_version","alias_value":"1702.03422v1","created_at":"2026-05-18T00:40:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.03422","created_at":"2026-05-18T00:40:30Z"},{"alias_kind":"pith_short_12","alias_value":"44KVIKQ5R364","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"44KVIKQ5R364MSZW","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"44KVIKQ5","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:44KVIKQ5R364MSZWN2GJVFWTY3","target":"record","payload":{"canonical_record":{"source":{"id":"1702.03422","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-11T12:44:09Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"716bbcbfaa18feb7711073d7a451aa25a3f1e00fe71645c6677cc2d234fe6f0d","abstract_canon_sha256":"4feb4972661ef51da7856444df94cfefb2bbad70abe84312b6c3324bf3695e4e"},"schema_version":"1.0"},"canonical_sha256":"e715542a1d8efdc64b366e8c9a96d3c6c9911725e34166d0e26a24660e4ded73","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:30.665668Z","signature_b64":"i+ngUtXhafm6hNnMG3KHdbx39g0JRia3FA+g4z4mRdO3L7aQJU7nX7BgwS10ASUBKzHMe5nbUUHV6A7krfdPDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e715542a1d8efdc64b366e8c9a96d3c6c9911725e34166d0e26a24660e4ded73","last_reissued_at":"2026-05-18T00:40:30.665154Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:30.665154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.03422","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":"2026-05-18T00:40:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0qAYGRl+rq/sjqsZfH832Sn00LDYVqF4VWs2fwLBL/XZG1hTuVWCO4e8y0v42da8xnUKUoHiZnpXuv88HwJ8Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T18:38:29.846570Z"},"content_sha256":"006b4425981238f2b4de86eae89d55e29a155261095597fd449144786d48f79e","schema_version":"1.0","event_id":"sha256:006b4425981238f2b4de86eae89d55e29a155261095597fd449144786d48f79e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:44KVIKQ5R364MSZWN2GJVFWTY3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase-tuned entangled state generation between distant spin qubits","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"A. J. Miller, C. Le Gall, C. Matthiesen, E. Clarke, L. Huthmacher, M. Atat\\\"ure, M. Hugues, M. J. Stanley, R. Stockill","submitted_at":"2017-02-11T12:44:09Z","abstract_excerpt":"Quantum entanglement between distant qubits is an important feature of quantum networks. Distribution of entanglement over long distances can be enabled through coherently interfacing qubit pairs via photonic channels. Here, we report the realization of optically generated quantum entanglement between electron spin qubits confined in two distant semiconductor quantum dots. The protocol relies on spin-photon entanglement in the trionic $\\Lambda$-system and quantum erasure of the Raman-photon path. The measurement of a single Raman photon is used to project the spin qubits into a joint quantum s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.03422","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":""},"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":"2026-05-18T00:40:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2cjhimWEXlFIqt4rrT5He+TfUEMyy+fmwqeF5Kg+8s/pI3ZzXV8Zt8AThKYa7TaDtnDIsyS0DfZ6eHyRiCzLCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T18:38:29.847224Z"},"content_sha256":"7eb9f502ffedb9f60468a62e3e4fb617bdad9381c397aa3d95296c61fc622f53","schema_version":"1.0","event_id":"sha256:7eb9f502ffedb9f60468a62e3e4fb617bdad9381c397aa3d95296c61fc622f53"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/44KVIKQ5R364MSZWN2GJVFWTY3/bundle.json","state_url":"https://pith.science/pith/44KVIKQ5R364MSZWN2GJVFWTY3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/44KVIKQ5R364MSZWN2GJVFWTY3/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":"2026-05-18T18:38:29Z","links":{"resolver":"https://pith.science/pith/44KVIKQ5R364MSZWN2GJVFWTY3","bundle":"https://pith.science/pith/44KVIKQ5R364MSZWN2GJVFWTY3/bundle.json","state":"https://pith.science/pith/44KVIKQ5R364MSZWN2GJVFWTY3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/44KVIKQ5R364MSZWN2GJVFWTY3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:44KVIKQ5R364MSZWN2GJVFWTY3","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":"4feb4972661ef51da7856444df94cfefb2bbad70abe84312b6c3324bf3695e4e","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-11T12:44:09Z","title_canon_sha256":"716bbcbfaa18feb7711073d7a451aa25a3f1e00fe71645c6677cc2d234fe6f0d"},"schema_version":"1.0","source":{"id":"1702.03422","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.03422","created_at":"2026-05-18T00:40:30Z"},{"alias_kind":"arxiv_version","alias_value":"1702.03422v1","created_at":"2026-05-18T00:40:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.03422","created_at":"2026-05-18T00:40:30Z"},{"alias_kind":"pith_short_12","alias_value":"44KVIKQ5R364","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"44KVIKQ5R364MSZW","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"44KVIKQ5","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:7eb9f502ffedb9f60468a62e3e4fb617bdad9381c397aa3d95296c61fc622f53","target":"graph","created_at":"2026-05-18T00:40:30Z","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":"Quantum entanglement between distant qubits is an important feature of quantum networks. Distribution of entanglement over long distances can be enabled through coherently interfacing qubit pairs via photonic channels. Here, we report the realization of optically generated quantum entanglement between electron spin qubits confined in two distant semiconductor quantum dots. The protocol relies on spin-photon entanglement in the trionic $\\Lambda$-system and quantum erasure of the Raman-photon path. The measurement of a single Raman photon is used to project the spin qubits into a joint quantum s","authors_text":"A. J. Miller, C. Le Gall, C. Matthiesen, E. Clarke, L. Huthmacher, M. Atat\\\"ure, M. Hugues, M. J. Stanley, R. Stockill","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-11T12:44:09Z","title":"Phase-tuned entangled state generation between distant spin qubits"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.03422","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":"sha256:006b4425981238f2b4de86eae89d55e29a155261095597fd449144786d48f79e","target":"record","created_at":"2026-05-18T00:40:30Z","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":"4feb4972661ef51da7856444df94cfefb2bbad70abe84312b6c3324bf3695e4e","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2017-02-11T12:44:09Z","title_canon_sha256":"716bbcbfaa18feb7711073d7a451aa25a3f1e00fe71645c6677cc2d234fe6f0d"},"schema_version":"1.0","source":{"id":"1702.03422","kind":"arxiv","version":1}},"canonical_sha256":"e715542a1d8efdc64b366e8c9a96d3c6c9911725e34166d0e26a24660e4ded73","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e715542a1d8efdc64b366e8c9a96d3c6c9911725e34166d0e26a24660e4ded73","first_computed_at":"2026-05-18T00:40:30.665154Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:30.665154Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i+ngUtXhafm6hNnMG3KHdbx39g0JRia3FA+g4z4mRdO3L7aQJU7nX7BgwS10ASUBKzHMe5nbUUHV6A7krfdPDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:30.665668Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.03422","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:006b4425981238f2b4de86eae89d55e29a155261095597fd449144786d48f79e","sha256:7eb9f502ffedb9f60468a62e3e4fb617bdad9381c397aa3d95296c61fc622f53"],"state_sha256":"b57c832df3fae016a0946d9a230ca32ba7bce82844f2a2dc008623fb4800996f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g9aWmS7mhnbnH6QejJ+0QOVS0qd5qszBz7yodLN2gujAZM2ngi230q9aa/rbygfh7NqWf0A8WNFjDexOiNd/Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T18:38:29.848769Z","bundle_sha256":"6c7626bb5b913a9e2715bcff9960a415720afe8d3ab118cac75441b9793dc3c4"}}