{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:CARWM2RSQRCZHCURAHBI6USG7M","short_pith_number":"pith:CARWM2RS","schema_version":"1.0","canonical_sha256":"1023666a328445938a9101c28f5246fb2fafd93c8bf408107e59b8726fb5ba34","source":{"kind":"arxiv","id":"1609.01609","version":3},"attestation_state":"computed","paper":{"title":"Quantum metrology with nonclassical states of atomic ensembles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Augusto Smerzi, Luca Pezz\\`e, Markus K. Oberthaler, Philipp Treutlein, Roman Schmied","submitted_at":"2016-09-06T15:34:34Z","abstract_excerpt":"Quantum technologies exploit entanglement to revolutionize computing, measurements, and communications. This has stimulated the research in different areas of physics to engineer and manipulate fragile many-particle entangled states. Progress has been particularly rapid for atoms. Thanks to the large and tunable nonlinearities and the well developed techniques for trapping, controlling and counting, many groundbreaking experiments have demonstrated the generation of entangled states of trapped ions, cold and ultracold gases of neutral atoms. Moreover, atoms can couple strongly to external forc"},"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":"1609.01609","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2016-09-06T15:34:34Z","cross_cats_sorted":[],"title_canon_sha256":"16494ef3fa6da3863f46350e252b387f2d7802dd01ec2848b97965c81809dd0d","abstract_canon_sha256":"62241ea6355354dc7afb1f593f09a747742b5368cc31d8f082242e6aed685348"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:10.742912Z","signature_b64":"ef05ExeFTKb5Qe8reKEPm6PjkEbl49IkdSyVYRUUsF+mCucqup+svN9yIn5otDq8CFRyKBG3JJHhaJhn6wcOCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1023666a328445938a9101c28f5246fb2fafd93c8bf408107e59b8726fb5ba34","last_reissued_at":"2026-05-18T00:01:10.742345Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:10.742345Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Quantum metrology with nonclassical states of atomic ensembles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Augusto Smerzi, Luca Pezz\\`e, Markus K. Oberthaler, Philipp Treutlein, Roman Schmied","submitted_at":"2016-09-06T15:34:34Z","abstract_excerpt":"Quantum technologies exploit entanglement to revolutionize computing, measurements, and communications. This has stimulated the research in different areas of physics to engineer and manipulate fragile many-particle entangled states. Progress has been particularly rapid for atoms. Thanks to the large and tunable nonlinearities and the well developed techniques for trapping, controlling and counting, many groundbreaking experiments have demonstrated the generation of entangled states of trapped ions, cold and ultracold gases of neutral atoms. Moreover, atoms can couple strongly to external forc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.01609","kind":"arxiv","version":3},"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":"1609.01609","created_at":"2026-05-18T00:01:10.742447+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.01609v3","created_at":"2026-05-18T00:01:10.742447+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.01609","created_at":"2026-05-18T00:01:10.742447+00:00"},{"alias_kind":"pith_short_12","alias_value":"CARWM2RSQRCZ","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_16","alias_value":"CARWM2RSQRCZHCUR","created_at":"2026-05-18T12:30:09.641336+00:00"},{"alias_kind":"pith_short_8","alias_value":"CARWM2RS","created_at":"2026-05-18T12:30:09.641336+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":14,"internal_anchor_count":5,"sample":[{"citing_arxiv_id":"1906.10929","citing_title":"Entanglement Certification $-$ From Theory to Experiment","ref_index":213,"is_internal_anchor":true},{"citing_arxiv_id":"1907.10174","citing_title":"Squeezed state metrology with Bragg interferometers operating in a cavity","ref_index":4,"is_internal_anchor":true},{"citing_arxiv_id":"2410.22032","citing_title":"From spin squeezing to fast state discrimination","ref_index":13,"is_internal_anchor":true},{"citing_arxiv_id":"2504.07814","citing_title":"Estimating the best separable approximation of non-pure spin-squeezed states","ref_index":37,"is_internal_anchor":true},{"citing_arxiv_id":"2512.19053","citing_title":"Quantum sensing of high-frequency gravitational waves with ion crystals","ref_index":31,"is_internal_anchor":true},{"citing_arxiv_id":"2509.05717","citing_title":"Deterministic nuclear spin squeezing and squeezing by continuous measurement using vector and tensor light shifts","ref_index":15,"is_internal_anchor":false},{"citing_arxiv_id":"2605.08337","citing_title":"Entanglement Requirements for Coherent Enhancement in Detectors","ref_index":2,"is_internal_anchor":false},{"citing_arxiv_id":"2605.02151","citing_title":"Optimizing Quantum Entanglement Preservation in a Qubit Qubit System with Dzyaloshinskii Moriya Interaction under Noisy Magnetic Fields via Feedback Control","ref_index":19,"is_internal_anchor":false},{"citing_arxiv_id":"2604.09772","citing_title":"Leggett-Garg Inequality Violations Bound Quantum Fisher Information","ref_index":5,"is_internal_anchor":false},{"citing_arxiv_id":"2604.10948","citing_title":"Enhanced squeezing for quantum gravimetry in a Bose-Einstein condensate with focussing","ref_index":45,"is_internal_anchor":false},{"citing_arxiv_id":"2605.03958","citing_title":"Fisher-Informational Time: A Causal-Geometric Framework for Emergent Clock Time Physical Distinguishability","ref_index":24,"is_internal_anchor":false},{"citing_arxiv_id":"2604.23476","citing_title":"From Independent to Joint: Enhancing Quantum Phase and Correlation Factor Estimation by Squeezed Reservoir Engineering","ref_index":1,"is_internal_anchor":false},{"citing_arxiv_id":"2605.02151","citing_title":"Optimizing Quantum Entanglement Preservation in a Qubit Qubit System with Dzyaloshinskii Moriya Interaction under Noisy Magnetic Fields via Feedback Control","ref_index":19,"is_internal_anchor":false},{"citing_arxiv_id":"2605.03746","citing_title":"Tomogram-based quantifiers of nonclassicality dynamics in Kerr and cubic media","ref_index":8,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/CARWM2RSQRCZHCURAHBI6USG7M","json":"https://pith.science/pith/CARWM2RSQRCZHCURAHBI6USG7M.json","graph_json":"https://pith.science/api/pith-number/CARWM2RSQRCZHCURAHBI6USG7M/graph.json","events_json":"https://pith.science/api/pith-number/CARWM2RSQRCZHCURAHBI6USG7M/events.json","paper":"https://pith.science/paper/CARWM2RS"},"agent_actions":{"view_html":"https://pith.science/pith/CARWM2RSQRCZHCURAHBI6USG7M","download_json":"https://pith.science/pith/CARWM2RSQRCZHCURAHBI6USG7M.json","view_paper":"https://pith.science/paper/CARWM2RS","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.01609&json=true","fetch_graph":"https://pith.science/api/pith-number/CARWM2RSQRCZHCURAHBI6USG7M/graph.json","fetch_events":"https://pith.science/api/pith-number/CARWM2RSQRCZHCURAHBI6USG7M/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CARWM2RSQRCZHCURAHBI6USG7M/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CARWM2RSQRCZHCURAHBI6USG7M/action/storage_attestation","attest_author":"https://pith.science/pith/CARWM2RSQRCZHCURAHBI6USG7M/action/author_attestation","sign_citation":"https://pith.science/pith/CARWM2RSQRCZHCURAHBI6USG7M/action/citation_signature","submit_replication":"https://pith.science/pith/CARWM2RSQRCZHCURAHBI6USG7M/action/replication_record"}},"created_at":"2026-05-18T00:01:10.742447+00:00","updated_at":"2026-05-18T00:01:10.742447+00:00"}