{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:2VHZC4VRC2DEWH76ZCMVKI32S2","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":"9d7b127dd9d8e96405ac68d4df484a9207e0d4e814c161306d35fe9c7ed5b758","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2006-04-17T16:46:16Z","title_canon_sha256":"0a7f55faccb289503072ac234b446c0f258ed8ee1092e4a1a6595b97d04950fb"},"schema_version":"1.0","source":{"id":"quant-ph/0604121","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0604121","created_at":"2026-05-18T01:37:56Z"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0604121v3","created_at":"2026-05-18T01:37:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0604121","created_at":"2026-05-18T01:37:56Z"},{"alias_kind":"pith_short_12","alias_value":"2VHZC4VRC2DE","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"2VHZC4VRC2DEWH76","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"2VHZC4VR","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:765a9e3e3068c35085cffcb30e46c135af71dc129ceb353a31d48a50b12729cd","target":"graph","created_at":"2026-05-18T01:37:56Z","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":"Recently, we have shown that for conditions under which the so-called light-shift imbalance induced blockade (LSIIB) occurs, the collective excitation of an ensemble of a multi-level atom can be treated as a closed two level system. In this paper, we describe how such a system can be used as a quantum bit (qubit) for quantum communication and quantum computing. Specifically, we show how to realize a C-NOT gate using the collective qubit and an easily accessible ring cavity, via an extension of the so-called Pellizzari scheme. We also describe how multiple, small-scale quantum computers realize","authors_text":"G.S. Pati, K. Salit, M.S. Shahriar","cross_cats":[],"headline":"","license":"","primary_cat":"quant-ph","submitted_at":"2006-04-17T16:46:16Z","title":"Quantum Communication and Computing With Atomic Ensembles Using Light-Shift Imbalance Induced Blockade"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0604121","kind":"arxiv","version":3},"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":"sha256:0793c2773a06878137b5a17b28b4d08c0dd5cb19e4018b665d2390c8d7287acc","target":"record","created_at":"2026-05-18T01:37:56Z","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":"9d7b127dd9d8e96405ac68d4df484a9207e0d4e814c161306d35fe9c7ed5b758","cross_cats_sorted":[],"license":"","primary_cat":"quant-ph","submitted_at":"2006-04-17T16:46:16Z","title_canon_sha256":"0a7f55faccb289503072ac234b446c0f258ed8ee1092e4a1a6595b97d04950fb"},"schema_version":"1.0","source":{"id":"quant-ph/0604121","kind":"arxiv","version":3}},"canonical_sha256":"d54f9172b116864b1ffec89955237a96b44cd36bcfe4866b04fa682b4ee9c3a1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d54f9172b116864b1ffec89955237a96b44cd36bcfe4866b04fa682b4ee9c3a1","first_computed_at":"2026-05-18T01:37:56.870067Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:37:56.870067Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b7ub4U1mX29oqhXV0HlKwO/fNlKMhQqRzPnCHoJ5PDJdTDgxWLyhhaBU/IEwWVXqOdyrA+bj9xVMTqRjlnDqCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:37:56.870868Z","signed_message":"canonical_sha256_bytes"},"source_id":"quant-ph/0604121","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0793c2773a06878137b5a17b28b4d08c0dd5cb19e4018b665d2390c8d7287acc","sha256:765a9e3e3068c35085cffcb30e46c135af71dc129ceb353a31d48a50b12729cd"],"state_sha256":"4034e1e35211b1142eb6f51c61f6c903f19838d853aab538115483bf1e1be160"}