{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2003:LBGPHCLCBPUB3OKKWFYSJNW7F2","short_pith_number":"pith:LBGPHCLC","schema_version":"1.0","canonical_sha256":"584cf389620be81db94ab17124b6df2ead3e1e90a1a2c26655db7488d76cd30b","source":{"kind":"arxiv","id":"cond-mat/0304127","version":1},"attestation_state":"computed","paper":{"title":"Measurement-induced spin squeezing in a cavity","license":"","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat","authors_text":"Hiroki Saito, Masahito Ueda","submitted_at":"2003-04-05T07:49:08Z","abstract_excerpt":"Spin squeezing of an ensemble of N atoms in a high-Q cavity is shown to be enhanced by continuous measurement of photons in the cavity. A degree of spin squeezing proportional to N^{-1/3} is attained as a quasi-steady state over a broad set of initial states of the atoms and photons."},"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":"cond-mat/0304127","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat","submitted_at":"2003-04-05T07:49:08Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"2040df23fce3f1ff4f1b8dd36f662822f265ba0b0b0f055139b20a9b9b20e118","abstract_canon_sha256":"e085522a448ffd5c89cef5c836ae2f9a12bf40177ad92e3e4e64bbd7890c4abf"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:38:36.259469Z","signature_b64":"+S4lG4BDwfPLGBlR1Ms3m2ZVFdSz5U58EO5y9R8AGwW6DuMFyq1ljoESRWRpRd54lUyRwTTH1elXFRmvqGV3AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"584cf389620be81db94ab17124b6df2ead3e1e90a1a2c26655db7488d76cd30b","last_reissued_at":"2026-07-04T16:38:36.259116Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:38:36.259116Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement-induced spin squeezing in a cavity","license":"","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat","authors_text":"Hiroki Saito, Masahito Ueda","submitted_at":"2003-04-05T07:49:08Z","abstract_excerpt":"Spin squeezing of an ensemble of N atoms in a high-Q cavity is shown to be enhanced by continuous measurement of photons in the cavity. A degree of spin squeezing proportional to N^{-1/3} is attained as a quasi-steady state over a broad set of initial states of the atoms and photons."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0304127","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/cond-mat/0304127/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"cond-mat/0304127","created_at":"2026-07-04T16:38:36.259174+00:00"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0304127v1","created_at":"2026-07-04T16:38:36.259174+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0304127","created_at":"2026-07-04T16:38:36.259174+00:00"},{"alias_kind":"pith_short_12","alias_value":"LBGPHCLCBPUB","created_at":"2026-07-04T16:38:36.259174+00:00"},{"alias_kind":"pith_short_16","alias_value":"LBGPHCLCBPUB3OKK","created_at":"2026-07-04T16:38:36.259174+00:00"},{"alias_kind":"pith_short_8","alias_value":"LBGPHCLC","created_at":"2026-07-04T16:38:36.259174+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/LBGPHCLCBPUB3OKKWFYSJNW7F2","json":"https://pith.science/pith/LBGPHCLCBPUB3OKKWFYSJNW7F2.json","graph_json":"https://pith.science/api/pith-number/LBGPHCLCBPUB3OKKWFYSJNW7F2/graph.json","events_json":"https://pith.science/api/pith-number/LBGPHCLCBPUB3OKKWFYSJNW7F2/events.json","paper":"https://pith.science/paper/LBGPHCLC"},"agent_actions":{"view_html":"https://pith.science/pith/LBGPHCLCBPUB3OKKWFYSJNW7F2","download_json":"https://pith.science/pith/LBGPHCLCBPUB3OKKWFYSJNW7F2.json","view_paper":"https://pith.science/paper/LBGPHCLC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=cond-mat/0304127&json=true","fetch_graph":"https://pith.science/api/pith-number/LBGPHCLCBPUB3OKKWFYSJNW7F2/graph.json","fetch_events":"https://pith.science/api/pith-number/LBGPHCLCBPUB3OKKWFYSJNW7F2/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/LBGPHCLCBPUB3OKKWFYSJNW7F2/action/timestamp_anchor","attest_storage":"https://pith.science/pith/LBGPHCLCBPUB3OKKWFYSJNW7F2/action/storage_attestation","attest_author":"https://pith.science/pith/LBGPHCLCBPUB3OKKWFYSJNW7F2/action/author_attestation","sign_citation":"https://pith.science/pith/LBGPHCLCBPUB3OKKWFYSJNW7F2/action/citation_signature","submit_replication":"https://pith.science/pith/LBGPHCLCBPUB3OKKWFYSJNW7F2/action/replication_record"}},"created_at":"2026-07-04T16:38:36.259174+00:00","updated_at":"2026-07-04T16:38:36.259174+00:00"}