{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:737TWDXFIAWEI64MVX2C5QQG6Z","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":"6e8695b389f365258f7700517f9e4f938245d4ea7994b877b11070f9d0e45cc5","cross_cats_sorted":["astro-ph.IM","cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-02-27T16:07:15Z","title_canon_sha256":"bb610e45de2b189dec68036db2227ff431061d0b8a77f0db027c27722b12530b"},"schema_version":"1.0","source":{"id":"1302.6894","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.6894","created_at":"2026-05-18T03:32:18Z"},{"alias_kind":"arxiv_version","alias_value":"1302.6894v1","created_at":"2026-05-18T03:32:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.6894","created_at":"2026-05-18T03:32:18Z"},{"alias_kind":"pith_short_12","alias_value":"737TWDXFIAWE","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"737TWDXFIAWEI64M","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"737TWDXF","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:bc469c5d185b43fd4c6d77f403dd16ff024d08bd6195546f595a9513b8f3dd33","target":"graph","created_at":"2026-05-18T03:32:18Z","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 present efficient theoretical tools for describing the optical pumping of atoms by light propagating at arbitrary directions with respect to an external magnetic field, at buffer-gas pressures that are small enough for velocity-selective optical pumping (VSOP) but large enough to cause substantial collisional relaxation of the velocities and the spin. These are the conditions for the sodium atoms at an altitude of about 100 km that are used as guidestars for adaptive optics in modern ground-based telescopes to correct for aberrations due to atmospheric turbulence. We use spin and velocity r","authors_text":"B. A. Olsen, B. H. McGuyer, R. Marsland III, W. Happer","cross_cats":["astro-ph.IM","cond-mat.stat-mech"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-02-27T16:07:15Z","title":"Spin-velocity correlations of optically pumped atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.6894","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:d81b5ec71251ef7f2fa5668ddf2390f228cb5c82cb55d9568263316b3646c57f","target":"record","created_at":"2026-05-18T03:32:18Z","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":"6e8695b389f365258f7700517f9e4f938245d4ea7994b877b11070f9d0e45cc5","cross_cats_sorted":["astro-ph.IM","cond-mat.stat-mech"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2013-02-27T16:07:15Z","title_canon_sha256":"bb610e45de2b189dec68036db2227ff431061d0b8a77f0db027c27722b12530b"},"schema_version":"1.0","source":{"id":"1302.6894","kind":"arxiv","version":1}},"canonical_sha256":"feff3b0ee5402c447b8cadf42ec206f650d1ad94ebc5a3ef4bcfca234022a26e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"feff3b0ee5402c447b8cadf42ec206f650d1ad94ebc5a3ef4bcfca234022a26e","first_computed_at":"2026-05-18T03:32:18.250130Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:32:18.250130Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zi9ytiC7LCELeXkwh5V3XoidYwkW0WWtswF+u1hYpM12wFjb9i1zUUgGCZhyBrQyMsSlGYo1rxKlCSVB9Lv3Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:32:18.250691Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.6894","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d81b5ec71251ef7f2fa5668ddf2390f228cb5c82cb55d9568263316b3646c57f","sha256:bc469c5d185b43fd4c6d77f403dd16ff024d08bd6195546f595a9513b8f3dd33"],"state_sha256":"1bce57ff1b6a52459d8093efe697849221657f6ab32ce5be1f23cff090c29fd8"}