{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:CDQ6WB63Y4QVXX5AME3MYGKGA5","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":"2eb2ce31a4d9e782cdbee99464c9bf462b82501e23924af9afc9fd69c53f1d0c","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-12-22T05:42:53Z","title_canon_sha256":"34741626d9a48d3aac1e4308aad357b6a5ab39a7e98298c389c48a97addb72c2"},"schema_version":"1.0","source":{"id":"1612.07449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.07449","created_at":"2026-05-18T00:48:15Z"},{"alias_kind":"arxiv_version","alias_value":"1612.07449v1","created_at":"2026-05-18T00:48:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.07449","created_at":"2026-05-18T00:48:15Z"},{"alias_kind":"pith_short_12","alias_value":"CDQ6WB63Y4QV","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_16","alias_value":"CDQ6WB63Y4QVXX5A","created_at":"2026-05-18T12:30:09Z"},{"alias_kind":"pith_short_8","alias_value":"CDQ6WB63","created_at":"2026-05-18T12:30:09Z"}],"graph_snapshots":[{"event_id":"sha256:9291bb0b6b07c68031b715b9a72791da359735f8243192ab9e026c02c7ca3927","target":"graph","created_at":"2026-05-18T00:48:15Z","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 reported a detailed experimental study of the cold collision of Barium monofluoride (BaF) with buffer gas and the high-resolution spectroscopy relevant with direct laser cooling. BaF molecules are efficiently produced with laser ablation and buffer-gas cooled in a cryogenic apparatus. The laser cooling relevant transition $|X^2\\Sigma, v=0, N=1\\rangle$ to $|A^2\\Pi, v'=0, J'=1/2\\rangle$ is identified. The collision cross section with buffer gas is measured to be $1.4(7)\\times10^{-14} cm^{-2}$, which is very suitable for buffer gas cooling. Both rotational and vibrational temperatures are effe","authors_text":"Bo Yan, Guitao Lv, Tao Chen, Wenhao Bu","cross_cats":["physics.optics"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-12-22T05:42:53Z","title":"Cold collision and high-resolution spectroscopy of buffer gas cooled BaF Molecule"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.07449","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:b832aeb41b4967ad721d542992061d35b60b3465248cdd0076bddf39079c7a0a","target":"record","created_at":"2026-05-18T00:48:15Z","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":"2eb2ce31a4d9e782cdbee99464c9bf462b82501e23924af9afc9fd69c53f1d0c","cross_cats_sorted":["physics.optics"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2016-12-22T05:42:53Z","title_canon_sha256":"34741626d9a48d3aac1e4308aad357b6a5ab39a7e98298c389c48a97addb72c2"},"schema_version":"1.0","source":{"id":"1612.07449","kind":"arxiv","version":1}},"canonical_sha256":"10e1eb07dbc7215bdfa06136cc1946074940e76d1e9b63d8d4935e7335d006e9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"10e1eb07dbc7215bdfa06136cc1946074940e76d1e9b63d8d4935e7335d006e9","first_computed_at":"2026-05-18T00:48:15.693833Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:15.693833Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m38Kxcc0pG9b0tAtsUiIOHbIKGpW8FbKTtBvaOWIzlNkoI9/FziV6j2G1ATSSTpB/5SJS/xbRUqrxtunLuq3Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:15.694532Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.07449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b832aeb41b4967ad721d542992061d35b60b3465248cdd0076bddf39079c7a0a","sha256:9291bb0b6b07c68031b715b9a72791da359735f8243192ab9e026c02c7ca3927"],"state_sha256":"a34abdefa6667b7eefe9c21836bd42c83789ad1f231d2749f9548d008ed5ac5e"}