{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:2LZLIO42PUWYWLKOMD2EJV5V5L","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":"68086b960019b813d3da4e4f9bc9da6537234ed665808df7dacd590d1efb050c","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-12-02T01:00:46Z","title_canon_sha256":"164c002e901cb83e3483f3d9f9180c710f4d90e6d488d0a8e79058f2f4dbb105"},"schema_version":"1.0","source":{"id":"1112.0366","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.0366","created_at":"2026-05-18T04:02:39Z"},{"alias_kind":"arxiv_version","alias_value":"1112.0366v1","created_at":"2026-05-18T04:02:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.0366","created_at":"2026-05-18T04:02:39Z"},{"alias_kind":"pith_short_12","alias_value":"2LZLIO42PUWY","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"2LZLIO42PUWYWLKO","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"2LZLIO42","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:f7f137c1f30bdfce2456c2a0c11e51ca721fbe431e80fafd3845ab0ca07906d2","target":"graph","created_at":"2026-05-18T04:02:39Z","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 perform laser spectroscopy of Yb+ ions on the 4f14 6s 2S_{1/2} - 4f13 5d 6s 3D[3/2]_{1/2} transition at 297 nm. The frequency measurements for 170Yb+, 172Yb+, 174Yb+, and 176Yb+ reveal the specific mass shift as well as the field shifts. In addition, we demonstrate laser cooling of Yb+ ions using this transition and show that light at 297 nm can be used as the second step in the photoionization of neutral Yb atoms.","authors_text":"Christoph Zipkes, Hendrik M. Meyer, Lothar Ratschbacher, Matthias Steiner, Michael K\\\"ohl","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-12-02T01:00:46Z","title":"Laser spectroscopy and cooling of Yb+ ions on a deep-UV transition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.0366","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":"sha256:5bddb7666545edda8e28718fb73c18ac1e732f147de0db96ea185a12145aee69","target":"record","created_at":"2026-05-18T04:02:39Z","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":"68086b960019b813d3da4e4f9bc9da6537234ed665808df7dacd590d1efb050c","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-12-02T01:00:46Z","title_canon_sha256":"164c002e901cb83e3483f3d9f9180c710f4d90e6d488d0a8e79058f2f4dbb105"},"schema_version":"1.0","source":{"id":"1112.0366","kind":"arxiv","version":1}},"canonical_sha256":"d2f2b43b9a7d2d8b2d4e60f444d7b5eac80d1a92a1aa4cd85d159d3c0349c013","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d2f2b43b9a7d2d8b2d4e60f444d7b5eac80d1a92a1aa4cd85d159d3c0349c013","first_computed_at":"2026-05-18T04:02:39.246367Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:02:39.246367Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vRIW3h27RIfTZaE3sYh7D0qCGUDAJOuy9HMTGBw2I8MFTNs3bj4m7fyVwqqF9yHnZnDCuGsvdK/+Y4y5l+yQDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:02:39.247053Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.0366","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5bddb7666545edda8e28718fb73c18ac1e732f147de0db96ea185a12145aee69","sha256:f7f137c1f30bdfce2456c2a0c11e51ca721fbe431e80fafd3845ab0ca07906d2"],"state_sha256":"18c2ff278efbefd59b7d5f413ad5a7f5ca161ac7c73ac72e976300056d4d755e"}