{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2001:GYDCITHTBY6YKX4RXWR4LUI4ZR","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":"9341ea1dbd6a4dcf56fe9e8a4afc45da7b9aaf823b711d1b2504eabc4790175e","cross_cats_sorted":["physics.gen-ph"],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2001-11-30T16:19:53Z","title_canon_sha256":"36e6319f4a3b4cf89faad6c9167f7f66c0cb23e8b7bb4ac6cae01f53699a23a0"},"schema_version":"1.0","source":{"id":"physics/0111213","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"physics/0111213","created_at":"2026-07-04T16:28:52Z"},{"alias_kind":"arxiv_version","alias_value":"physics/0111213v1","created_at":"2026-07-04T16:28:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.physics/0111213","created_at":"2026-07-04T16:28:52Z"},{"alias_kind":"pith_short_12","alias_value":"GYDCITHTBY6Y","created_at":"2026-07-04T16:28:52Z"},{"alias_kind":"pith_short_16","alias_value":"GYDCITHTBY6YKX4R","created_at":"2026-07-04T16:28:52Z"},{"alias_kind":"pith_short_8","alias_value":"GYDCITHT","created_at":"2026-07-04T16:28:52Z"}],"graph_snapshots":[{"event_id":"sha256:3658dce50b0499b203eeca21dbbf200dfb9f01e971680315dcdaefb8fd9916c5","target":"graph","created_at":"2026-07-04T16:28:52Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/physics/0111213/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We simultaneously trap ultracold lithium and cesium atoms in an optical dipole trap formed by the focus of a CO$_2$ laser and study the exchange of thermal energy between the gases. The cesium gas, which is optically cooled to $20 \\mu$K, efficiently decreases the temperature of the lithium gas through sympathetic cooling. The measured cross section for thermalizing $^{133}$Cs-$^7$Li collisions is $8 \\times 10^{-12}$ cm$^2$, for both species in their lowest hyperfine ground state. Besides thermalization, we observe evaporation of lithium purely through elastic cesium-lithium collisions (sympath","authors_text":"A. Mosk, K. Singer, M. Mudrich, M. Weidemuller, R. Grimm, S. Kraft","cross_cats":["physics.gen-ph"],"headline":"","license":"","primary_cat":"physics.atom-ph","submitted_at":"2001-11-30T16:19:53Z","title":"Sympathetic Cooling with Two Atomic Species in an Optical Trap"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"physics/0111213","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:c8e66333390ceef315e26930830571543ab8bfa12907dcd54f410ae7ccb71425","target":"record","created_at":"2026-07-04T16:28:52Z","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":"9341ea1dbd6a4dcf56fe9e8a4afc45da7b9aaf823b711d1b2504eabc4790175e","cross_cats_sorted":["physics.gen-ph"],"license":"","primary_cat":"physics.atom-ph","submitted_at":"2001-11-30T16:19:53Z","title_canon_sha256":"36e6319f4a3b4cf89faad6c9167f7f66c0cb23e8b7bb4ac6cae01f53699a23a0"},"schema_version":"1.0","source":{"id":"physics/0111213","kind":"arxiv","version":1}},"canonical_sha256":"3606244cf30e3d855f91bda3c5d11ccc7902f4fb934e4161aff361afa41b9473","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3606244cf30e3d855f91bda3c5d11ccc7902f4fb934e4161aff361afa41b9473","first_computed_at":"2026-07-04T16:28:52.237105Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:28:52.237105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ii2UN1/QCmcFF3/QjORPW3F8Bd3GsyhCIIM6RYT6W0YKVNb1Al5lSzC4Kiqc99OE4hw3omEtR2IRkmgVjMuAAA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:28:52.237515Z","signed_message":"canonical_sha256_bytes"},"source_id":"physics/0111213","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c8e66333390ceef315e26930830571543ab8bfa12907dcd54f410ae7ccb71425","sha256:3658dce50b0499b203eeca21dbbf200dfb9f01e971680315dcdaefb8fd9916c5"],"state_sha256":"46204070885bbb6703450d6303ee3679f4a812912dbe3a46d3bd0fe0d585c8e6"}