{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2024:VHC2PREQURKJFKQXWXO4QVL4KD","short_pith_number":"pith:VHC2PREQ","schema_version":"1.0","canonical_sha256":"a9c5a7c490a45492aa17b5ddc8557c50d021b864a13a5525f0c0d8e7ab064377","source":{"kind":"arxiv","id":"2411.07219","version":2},"attestation_state":"computed","paper":{"title":"Spin Squeezing with Magnetic Dipoles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Alexander Douglas, Lin Su, Markus Greiner, Michal Szurek, Ognjen Markovi\\'c, Vassilios Kaxiras, Vikram Singh","submitted_at":"2024-11-11T18:42:13Z","abstract_excerpt":"Entanglement can improve the measurement precision of quantum sensors beyond the shot noise limit. Neutral atoms, the basis of some of the most precise and accurate optical clocks and interferometers, do not naturally exhibit all-to-all interactions that are traditionally used to generate such entangled states. Instead, we take advantage of the magnetic dipole-dipole interaction native to most neutral atoms to realize spin-squeezed states. We achieve 7.1 dB of metrologically useful squeezing using the finite-range spin exchange interactions in an erbium quantum gas microscope. We further propo"},"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":"2411.07219","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2024-11-11T18:42:13Z","cross_cats_sorted":["cond-mat.quant-gas","physics.atom-ph"],"title_canon_sha256":"e34d670af7fdcd57ab4c62d26d100590c9ae10134080bb582f3f9961906795d1","abstract_canon_sha256":"1155b7d27b7754023d87724940af05f4603fc80919d7cbe814928ac3b9b2a2b8"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:47:36.116281Z","signature_b64":"eE4nTzMqqyImQOl36ScGQY684HvA4Px1vdGJ2xhcserzp9hViYep0Y4roMGfdmGxtmgqbVXeIAR9O0vKVl94BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9c5a7c490a45492aa17b5ddc8557c50d021b864a13a5525f0c0d8e7ab064377","last_reissued_at":"2026-07-05T09:47:36.115793Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:47:36.115793Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spin Squeezing with Magnetic Dipoles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","physics.atom-ph"],"primary_cat":"quant-ph","authors_text":"Alexander Douglas, Lin Su, Markus Greiner, Michal Szurek, Ognjen Markovi\\'c, Vassilios Kaxiras, Vikram Singh","submitted_at":"2024-11-11T18:42:13Z","abstract_excerpt":"Entanglement can improve the measurement precision of quantum sensors beyond the shot noise limit. Neutral atoms, the basis of some of the most precise and accurate optical clocks and interferometers, do not naturally exhibit all-to-all interactions that are traditionally used to generate such entangled states. Instead, we take advantage of the magnetic dipole-dipole interaction native to most neutral atoms to realize spin-squeezed states. We achieve 7.1 dB of metrologically useful squeezing using the finite-range spin exchange interactions in an erbium quantum gas microscope. We further propo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2411.07219","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2411.07219/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":"2411.07219","created_at":"2026-07-05T09:47:36.115848+00:00"},{"alias_kind":"arxiv_version","alias_value":"2411.07219v2","created_at":"2026-07-05T09:47:36.115848+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2411.07219","created_at":"2026-07-05T09:47:36.115848+00:00"},{"alias_kind":"pith_short_12","alias_value":"VHC2PREQURKJ","created_at":"2026-07-05T09:47:36.115848+00:00"},{"alias_kind":"pith_short_16","alias_value":"VHC2PREQURKJFKQX","created_at":"2026-07-05T09:47:36.115848+00:00"},{"alias_kind":"pith_short_8","alias_value":"VHC2PREQ","created_at":"2026-07-05T09:47:36.115848+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":0,"sample":[{"citing_arxiv_id":"2506.12329","citing_title":"Multi-state detection and spatial addressing in a microscope for ultracold molecules","ref_index":52,"is_internal_anchor":false}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/VHC2PREQURKJFKQXWXO4QVL4KD","json":"https://pith.science/pith/VHC2PREQURKJFKQXWXO4QVL4KD.json","graph_json":"https://pith.science/api/pith-number/VHC2PREQURKJFKQXWXO4QVL4KD/graph.json","events_json":"https://pith.science/api/pith-number/VHC2PREQURKJFKQXWXO4QVL4KD/events.json","paper":"https://pith.science/paper/VHC2PREQ"},"agent_actions":{"view_html":"https://pith.science/pith/VHC2PREQURKJFKQXWXO4QVL4KD","download_json":"https://pith.science/pith/VHC2PREQURKJFKQXWXO4QVL4KD.json","view_paper":"https://pith.science/paper/VHC2PREQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2411.07219&json=true","fetch_graph":"https://pith.science/api/pith-number/VHC2PREQURKJFKQXWXO4QVL4KD/graph.json","fetch_events":"https://pith.science/api/pith-number/VHC2PREQURKJFKQXWXO4QVL4KD/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VHC2PREQURKJFKQXWXO4QVL4KD/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VHC2PREQURKJFKQXWXO4QVL4KD/action/storage_attestation","attest_author":"https://pith.science/pith/VHC2PREQURKJFKQXWXO4QVL4KD/action/author_attestation","sign_citation":"https://pith.science/pith/VHC2PREQURKJFKQXWXO4QVL4KD/action/citation_signature","submit_replication":"https://pith.science/pith/VHC2PREQURKJFKQXWXO4QVL4KD/action/replication_record"}},"created_at":"2026-07-05T09:47:36.115848+00:00","updated_at":"2026-07-05T09:47:36.115848+00:00"}