{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2007:YSZWPAHAYCVCWWWAZ6OYDO6JAB","short_pith_number":"pith:YSZWPAHA","schema_version":"1.0","canonical_sha256":"c4b36780e0c0aa2b5ac0cf9d81bbc9004410c8f431fe5bad2cad3fb11490487b","source":{"kind":"arxiv","id":"quant-ph/0701066","version":2},"attestation_state":"computed","paper":{"title":"Mesoscopic entanglement of noninteracting qubits using collective spontaneous emission","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"D. Kielpinski","submitted_at":"2007-01-12T02:00:57Z","abstract_excerpt":"We describe an experimentally straightforward method for preparing an entangled W state of up to 100 qubits. Our repeat-until-success protocol relies on detection of single photons from collective spontaneous emission in free space. Our method allows entanglement preparation in a wide range of qubit implementations that lack entangling qubit-qubit interactions. We give detailed numerical examples for entanglement of neutral atoms in optical lattices and of nitrogen-vacancy centres in diamond. The simplicity of our method should enable preparation of mesoscopic entangled states in a number of p"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"quant-ph/0701066","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"quant-ph","submitted_at":"2007-01-12T02:00:57Z","cross_cats_sorted":[],"title_canon_sha256":"5a48eb1891ce899bbf6750dd526207f06760ba91d674273ee2d080a8c3b2118d","abstract_canon_sha256":"68e0a11bce98fb1fdd1f18e14c03627d531cc2e588d6f1af110e43efe9e5f207"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:00.032984Z","signature_b64":"fHGfmYMnV52iMSJ95S4InPvVxWdtxVfCR1W9Lt9HYkIu1QAMq/xbWIbMKOCNmhh5CQAqtCZh/ut/kMPFhL5RBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4b36780e0c0aa2b5ac0cf9d81bbc9004410c8f431fe5bad2cad3fb11490487b","last_reissued_at":"2026-05-18T04:31:00.032237Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:00.032237Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Mesoscopic entanglement of noninteracting qubits using collective spontaneous emission","license":"","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"D. Kielpinski","submitted_at":"2007-01-12T02:00:57Z","abstract_excerpt":"We describe an experimentally straightforward method for preparing an entangled W state of up to 100 qubits. Our repeat-until-success protocol relies on detection of single photons from collective spontaneous emission in free space. Our method allows entanglement preparation in a wide range of qubit implementations that lack entangling qubit-qubit interactions. We give detailed numerical examples for entanglement of neutral atoms in optical lattices and of nitrogen-vacancy centres in diamond. The simplicity of our method should enable preparation of mesoscopic entangled states in a number of p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"quant-ph/0701066","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"quant-ph/0701066","created_at":"2026-05-18T04:31:00.032368+00:00"},{"alias_kind":"arxiv_version","alias_value":"quant-ph/0701066v2","created_at":"2026-05-18T04:31:00.032368+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.quant-ph/0701066","created_at":"2026-05-18T04:31:00.032368+00:00"},{"alias_kind":"pith_short_12","alias_value":"YSZWPAHAYCVC","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_16","alias_value":"YSZWPAHAYCVCWWWA","created_at":"2026-05-18T12:25:56.245647+00:00"},{"alias_kind":"pith_short_8","alias_value":"YSZWPAHA","created_at":"2026-05-18T12:25:56.245647+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YSZWPAHAYCVCWWWAZ6OYDO6JAB","json":"https://pith.science/pith/YSZWPAHAYCVCWWWAZ6OYDO6JAB.json","graph_json":"https://pith.science/api/pith-number/YSZWPAHAYCVCWWWAZ6OYDO6JAB/graph.json","events_json":"https://pith.science/api/pith-number/YSZWPAHAYCVCWWWAZ6OYDO6JAB/events.json","paper":"https://pith.science/paper/YSZWPAHA"},"agent_actions":{"view_html":"https://pith.science/pith/YSZWPAHAYCVCWWWAZ6OYDO6JAB","download_json":"https://pith.science/pith/YSZWPAHAYCVCWWWAZ6OYDO6JAB.json","view_paper":"https://pith.science/paper/YSZWPAHA","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=quant-ph/0701066&json=true","fetch_graph":"https://pith.science/api/pith-number/YSZWPAHAYCVCWWWAZ6OYDO6JAB/graph.json","fetch_events":"https://pith.science/api/pith-number/YSZWPAHAYCVCWWWAZ6OYDO6JAB/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YSZWPAHAYCVCWWWAZ6OYDO6JAB/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YSZWPAHAYCVCWWWAZ6OYDO6JAB/action/storage_attestation","attest_author":"https://pith.science/pith/YSZWPAHAYCVCWWWAZ6OYDO6JAB/action/author_attestation","sign_citation":"https://pith.science/pith/YSZWPAHAYCVCWWWAZ6OYDO6JAB/action/citation_signature","submit_replication":"https://pith.science/pith/YSZWPAHAYCVCWWWAZ6OYDO6JAB/action/replication_record"}},"created_at":"2026-05-18T04:31:00.032368+00:00","updated_at":"2026-05-18T04:31:00.032368+00:00"}