{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:A36MOBDUMMVASICTBTWTYAZCDQ","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":"46478fb4408c90fc5504cf1b95fcb17d7db4ce4cdeb95d2167e7ccfa4e4a6630","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-09-19T14:49:49Z","title_canon_sha256":"aaaac5f183758d36da5ae10e1aeb15dc6e8ed48dd9b6d3433d19a7436f1b4d96"},"schema_version":"1.0","source":{"id":"1709.06467","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.06467","created_at":"2026-05-18T00:20:56Z"},{"alias_kind":"arxiv_version","alias_value":"1709.06467v2","created_at":"2026-05-18T00:20:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.06467","created_at":"2026-05-18T00:20:56Z"},{"alias_kind":"pith_short_12","alias_value":"A36MOBDUMMVA","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_16","alias_value":"A36MOBDUMMVASICT","created_at":"2026-05-18T12:31:05Z"},{"alias_kind":"pith_short_8","alias_value":"A36MOBDU","created_at":"2026-05-18T12:31:05Z"}],"graph_snapshots":[{"event_id":"sha256:d9a53128b7fd33480d7514b8ce7166e8fa9ca9bd68101f61f724f20e75d877e0","target":"graph","created_at":"2026-05-18T00:20:56Z","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":"Laser cooling based on dark states, i.e. states decoupled from light, has proven to be effective to increase the phase-space density of cold trapped atoms. Dark-states cooling requires open atomic transitions, in contrast to the ordinary laser cooling used for example in magneto-optical traps (MOTs), which operate on closed atomic transitions. For alkali atoms, dark-states cooling is therefore commonly operated on the $D_1$ transition $n S_{1/2}\\rightarrow n P_{1/2}$. We show that, for $^{87}\\text{Rb}$, thanks to the large hyperfine structure separations the use of this transition is not stric","authors_text":"Alessia Burchianti, Chiara Fort, Devang S. Naik, Francesco Minardi, Giacomo Roati, Sara Rosi, Stefano Conclave","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-09-19T14:49:49Z","title":"${\\Lambda}$-enhanced grey molasses on the $D_2$ transition of Rubidium-87 atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.06467","kind":"arxiv","version":2},"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":"sha256:0f2288b63959cf6b5aeaacf4030819148e79bf52713c0fddf4e388afca08cf3a","target":"record","created_at":"2026-05-18T00:20:56Z","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":"46478fb4408c90fc5504cf1b95fcb17d7db4ce4cdeb95d2167e7ccfa4e4a6630","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2017-09-19T14:49:49Z","title_canon_sha256":"aaaac5f183758d36da5ae10e1aeb15dc6e8ed48dd9b6d3433d19a7436f1b4d96"},"schema_version":"1.0","source":{"id":"1709.06467","kind":"arxiv","version":2}},"canonical_sha256":"06fcc70474632a0920530ced3c03221c0779f2e22a8b6fcef70262d25adafc07","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"06fcc70474632a0920530ced3c03221c0779f2e22a8b6fcef70262d25adafc07","first_computed_at":"2026-05-18T00:20:56.213273Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:20:56.213273Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b4odTewQcHBSZwcxkb2s7IgP5I5D0UmsXUnDPv4bLy21bTx1+BxLPrPzoHZA0fiukzr/6xAgg5AkR0BL+9gzCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:20:56.213961Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.06467","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0f2288b63959cf6b5aeaacf4030819148e79bf52713c0fddf4e388afca08cf3a","sha256:d9a53128b7fd33480d7514b8ce7166e8fa9ca9bd68101f61f724f20e75d877e0"],"state_sha256":"ac5cd668e148441b6b72a099799a2741f3b14c676d6a929da005fca9197db54b"}