{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2008:CXCHLWJTFCPYFFNBKDLDEABN4L","short_pith_number":"pith:CXCHLWJT","schema_version":"1.0","canonical_sha256":"15c475d933289f8295a150d632002de2ddd2454fff618a3e774b2a93345b0e20","source":{"kind":"arxiv","id":"0811.4618","version":1},"attestation_state":"computed","paper":{"title":"Ultracold polar molecules near quantum degeneracy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"physics.atom-ph","authors_text":"B. Neyenhuis, D. S. Jin, D. Wang, J. Ye, K.-K. Ni, M. H. G. de Miranda, P. S. Julienne, S. Kotochigova, S. Ospelkaus","submitted_at":"2008-11-27T21:05:22Z","abstract_excerpt":"We report the creation and characterization of a near quantum-degenerate gas of polar $^{40}$K-$^{87}$Rb molecules in their absolute rovibrational ground state. Starting from weakly bound heteronuclear KRb Feshbach molecules, we implement precise control of the molecular electronic, vibrational, and rotational degrees of freedom with phase-coherent laser fields. In particular, we coherently transfer these weakly bound molecules across a 125 THz frequency gap in a single step into the absolute rovibrational ground state of the electronic ground potential. Phase coherence between lasers involved"},"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":"0811.4618","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2008-11-27T21:05:22Z","cross_cats_sorted":["cond-mat.other"],"title_canon_sha256":"f860b6ccf76ad76702992d05972e9cb628ca0e8a29dea2285032bccaec185a3f","abstract_canon_sha256":"a136cfb7dd68f97290734f3f86d0ae2e84704013d74bd3207182eb54e90587b3"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:12.732544Z","signature_b64":"BbngljIHPy8ysWbF7Z0ZXflBhh2Xitk02DyhPAgpK2GCxa5GLHv1GlMOsHFJRVK0K/hhz8GlKNxI4piWbNQ/Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15c475d933289f8295a150d632002de2ddd2454fff618a3e774b2a93345b0e20","last_reissued_at":"2026-05-18T02:15:12.731893Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:12.731893Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Ultracold polar molecules near quantum degeneracy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.other"],"primary_cat":"physics.atom-ph","authors_text":"B. Neyenhuis, D. S. Jin, D. Wang, J. Ye, K.-K. Ni, M. H. G. de Miranda, P. S. Julienne, S. Kotochigova, S. Ospelkaus","submitted_at":"2008-11-27T21:05:22Z","abstract_excerpt":"We report the creation and characterization of a near quantum-degenerate gas of polar $^{40}$K-$^{87}$Rb molecules in their absolute rovibrational ground state. Starting from weakly bound heteronuclear KRb Feshbach molecules, we implement precise control of the molecular electronic, vibrational, and rotational degrees of freedom with phase-coherent laser fields. In particular, we coherently transfer these weakly bound molecules across a 125 THz frequency gap in a single step into the absolute rovibrational ground state of the electronic ground potential. Phase coherence between lasers involved"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.4618","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":"0811.4618","created_at":"2026-05-18T02:15:12.731980+00:00"},{"alias_kind":"arxiv_version","alias_value":"0811.4618v1","created_at":"2026-05-18T02:15:12.731980+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.4618","created_at":"2026-05-18T02:15:12.731980+00:00"},{"alias_kind":"pith_short_12","alias_value":"CXCHLWJTFCPY","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_16","alias_value":"CXCHLWJTFCPYFFNB","created_at":"2026-05-18T12:25:57.157939+00:00"},{"alias_kind":"pith_short_8","alias_value":"CXCHLWJT","created_at":"2026-05-18T12:25:57.157939+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/CXCHLWJTFCPYFFNBKDLDEABN4L","json":"https://pith.science/pith/CXCHLWJTFCPYFFNBKDLDEABN4L.json","graph_json":"https://pith.science/api/pith-number/CXCHLWJTFCPYFFNBKDLDEABN4L/graph.json","events_json":"https://pith.science/api/pith-number/CXCHLWJTFCPYFFNBKDLDEABN4L/events.json","paper":"https://pith.science/paper/CXCHLWJT"},"agent_actions":{"view_html":"https://pith.science/pith/CXCHLWJTFCPYFFNBKDLDEABN4L","download_json":"https://pith.science/pith/CXCHLWJTFCPYFFNBKDLDEABN4L.json","view_paper":"https://pith.science/paper/CXCHLWJT","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=0811.4618&json=true","fetch_graph":"https://pith.science/api/pith-number/CXCHLWJTFCPYFFNBKDLDEABN4L/graph.json","fetch_events":"https://pith.science/api/pith-number/CXCHLWJTFCPYFFNBKDLDEABN4L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/CXCHLWJTFCPYFFNBKDLDEABN4L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/CXCHLWJTFCPYFFNBKDLDEABN4L/action/storage_attestation","attest_author":"https://pith.science/pith/CXCHLWJTFCPYFFNBKDLDEABN4L/action/author_attestation","sign_citation":"https://pith.science/pith/CXCHLWJTFCPYFFNBKDLDEABN4L/action/citation_signature","submit_replication":"https://pith.science/pith/CXCHLWJTFCPYFFNBKDLDEABN4L/action/replication_record"}},"created_at":"2026-05-18T02:15:12.731980+00:00","updated_at":"2026-05-18T02:15:12.731980+00:00"}