{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2009:C4AWYWOMVQAEDYEU6O7WNK3SXV","short_pith_number":"pith:C4AWYWOM","schema_version":"1.0","canonical_sha256":"17016c59ccac0041e094f3bf66ab72bd6bf210fe49f7df85abd89e87f93f72f4","source":{"kind":"arxiv","id":"0909.2423","version":1},"attestation_state":"computed","paper":{"title":"Manipulation of Non-classical Atomic Spin States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ryo Namiki, Shin-Ichi-Ro Tanaka, Tetsushi Takano, Yoshiro Takahashi","submitted_at":"2009-09-13T16:51:11Z","abstract_excerpt":"We report successful manipulation of non-classical atomic spin states. We generate squeezed spin states by a spin quantum nondemolition measurement, and apply an off-resonant circularly-polarized light pulse to the atoms. By changing the pulse duration, we have clearly observed a rotation of anisotropic quantum noise distribution in good contrast with the case of manipulation of a coherent spin state where the quantum noise distribution is always isotropic. This is an important step for quantum state tomography, quantum swapping, and precision spectroscopic measurement."},"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":"0909.2423","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2009-09-13T16:51:11Z","cross_cats_sorted":[],"title_canon_sha256":"7e9535d1e53b4b0ade4358e4e7aa2a254de40a64fb6e2500b648299f92ece34b","abstract_canon_sha256":"3955bc58cdfbc9b3d19334ae982142e93775a8f2cb23546faf2758187a63db01"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:48.367697Z","signature_b64":"TjytpsoX+0Ek0htlRV5m4R6MWR8O+ule1SLq9g0DtofroFeS77bOTHr3PtwsSFvKxHlNuU+iK7+b2/dKxuU8AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"17016c59ccac0041e094f3bf66ab72bd6bf210fe49f7df85abd89e87f93f72f4","last_reissued_at":"2026-05-18T02:11:48.366890Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:48.366890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Manipulation of Non-classical Atomic Spin States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Ryo Namiki, Shin-Ichi-Ro Tanaka, Tetsushi Takano, Yoshiro Takahashi","submitted_at":"2009-09-13T16:51:11Z","abstract_excerpt":"We report successful manipulation of non-classical atomic spin states. We generate squeezed spin states by a spin quantum nondemolition measurement, and apply an off-resonant circularly-polarized light pulse to the atoms. By changing the pulse duration, we have clearly observed a rotation of anisotropic quantum noise distribution in good contrast with the case of manipulation of a coherent spin state where the quantum noise distribution is always isotropic. This is an important step for quantum state tomography, quantum swapping, and precision spectroscopic measurement."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.2423","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"0909.2423","created_at":"2026-05-18T02:11:48.366985+00:00"},{"alias_kind":"arxiv_version","alias_value":"0909.2423v1","created_at":"2026-05-18T02:11:48.366985+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.2423","created_at":"2026-05-18T02:11:48.366985+00:00"},{"alias_kind":"pith_short_12","alias_value":"C4AWYWOMVQAE","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_16","alias_value":"C4AWYWOMVQAEDYEU","created_at":"2026-05-18T12:25:58.837520+00:00"},{"alias_kind":"pith_short_8","alias_value":"C4AWYWOM","created_at":"2026-05-18T12:25:58.837520+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/C4AWYWOMVQAEDYEU6O7WNK3SXV","json":"https://pith.science/pith/C4AWYWOMVQAEDYEU6O7WNK3SXV.json","graph_json":"https://pith.science/api/pith-number/C4AWYWOMVQAEDYEU6O7WNK3SXV/graph.json","events_json":"https://pith.science/api/pith-number/C4AWYWOMVQAEDYEU6O7WNK3SXV/events.json","paper":"https://pith.science/paper/C4AWYWOM"},"agent_actions":{"view_html":"https://pith.science/pith/C4AWYWOMVQAEDYEU6O7WNK3SXV","download_json":"https://pith.science/pith/C4AWYWOMVQAEDYEU6O7WNK3SXV.json","view_paper":"https://pith.science/paper/C4AWYWOM","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0909.2423&json=true","fetch_graph":"https://pith.science/api/pith-number/C4AWYWOMVQAEDYEU6O7WNK3SXV/graph.json","fetch_events":"https://pith.science/api/pith-number/C4AWYWOMVQAEDYEU6O7WNK3SXV/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/C4AWYWOMVQAEDYEU6O7WNK3SXV/action/timestamp_anchor","attest_storage":"https://pith.science/pith/C4AWYWOMVQAEDYEU6O7WNK3SXV/action/storage_attestation","attest_author":"https://pith.science/pith/C4AWYWOMVQAEDYEU6O7WNK3SXV/action/author_attestation","sign_citation":"https://pith.science/pith/C4AWYWOMVQAEDYEU6O7WNK3SXV/action/citation_signature","submit_replication":"https://pith.science/pith/C4AWYWOMVQAEDYEU6O7WNK3SXV/action/replication_record"}},"created_at":"2026-05-18T02:11:48.366985+00:00","updated_at":"2026-05-18T02:11:48.366985+00:00"}