{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ZGIFWU5VQO3XUHCU244SB4NPV3","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"ddfc561ec96420827495c4b1620299f027e111e899de508da850021908c2b187","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-11-13T09:27:14Z","title_canon_sha256":"04babcaab5477a2f8be2b3ad75e8fde71e12f243d90928814b84736ab870ea7e"},"schema_version":"1.0","source":{"id":"1311.3055","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.3055","created_at":"2026-05-18T01:46:31Z"},{"alias_kind":"arxiv_version","alias_value":"1311.3055v1","created_at":"2026-05-18T01:46:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.3055","created_at":"2026-05-18T01:46:31Z"},{"alias_kind":"pith_short_12","alias_value":"ZGIFWU5VQO3X","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_16","alias_value":"ZGIFWU5VQO3XUHCU","created_at":"2026-05-18T12:28:09Z"},{"alias_kind":"pith_short_8","alias_value":"ZGIFWU5V","created_at":"2026-05-18T12:28:09Z"}],"graph_snapshots":[{"event_id":"sha256:9115daef26b7e93137b74e2222cb32c9fecfe14b5d0580037faf47d288312920","target":"graph","created_at":"2026-05-18T01:46:31Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We propose and experimentally investigate a scheme for narrow-line cooling of KRb molecules in the rovibrational ground state. We show that the spin-forbidden $\\mathrm{X^1\\Sigma^+} \\rightarrow \\mathrm{b^3\\Pi_{0^+}}$ transition of KRb is ideal for realizing narrow-line laser cooling of molecules because it has highly diagonal Franck-Condon factors and narrow linewidth. In order to confirm the prediction, we performed the optical and microwave spectroscopy of ultracold $^{41}$K$^{87}$Rb molecules, and determined the linewidth ($2\\pi\\times$ 4.9(4) kHz) and Franck-Condon factors for the $\\mathrm{X","authors_text":"J. Kobayashi, K. Aikawa, K. Oasa, S. Inouye","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-11-13T09:27:14Z","title":"Prospects for Narrow-line Cooling of KRb Molecules in Rovibrational Ground State"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.3055","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:07cae451951fdd447c2e8e5ef7ae552a1ea5b6a889c507a5212833edeb8f6cc3","target":"record","created_at":"2026-05-18T01:46:31Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"ddfc561ec96420827495c4b1620299f027e111e899de508da850021908c2b187","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-11-13T09:27:14Z","title_canon_sha256":"04babcaab5477a2f8be2b3ad75e8fde71e12f243d90928814b84736ab870ea7e"},"schema_version":"1.0","source":{"id":"1311.3055","kind":"arxiv","version":1}},"canonical_sha256":"c9905b53b583b77a1c54d73920f1afaef81df4d0696115fb77c7e8e84264fd4a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c9905b53b583b77a1c54d73920f1afaef81df4d0696115fb77c7e8e84264fd4a","first_computed_at":"2026-05-18T01:46:31.678825Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:31.678825Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"miYaqcallqYMYUkEmK5pNHiOlIYBQvxmokqnk72DgJU10WZVLIJHW6oNL1D+s25KZfv+USrG0FnsJLq6d5XgCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:31.679339Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.3055","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:07cae451951fdd447c2e8e5ef7ae552a1ea5b6a889c507a5212833edeb8f6cc3","sha256:9115daef26b7e93137b74e2222cb32c9fecfe14b5d0580037faf47d288312920"],"state_sha256":"6eb8567717752b81ead4bfc1b8857771a96545416813fb1e102303aaa7c05997"}