{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:LAR5J7J7IQTEUS7B2EG7RBEAFS","short_pith_number":"pith:LAR5J7J7","canonical_record":{"source":{"id":"1211.2267","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-09T23:55:25Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"bb6b86a2e136fc6a80e56afdab65a65b6e859b387b2feb3dd1d11f82faa516c9","abstract_canon_sha256":"27c79fe715dde83d7f2aad16f507985fa8ff75deee75cd0203332691a806c234"},"schema_version":"1.0"},"canonical_sha256":"5823d4fd3f44264a4be1d10df884802cab8a1bb8d099fe72900aaf25156a90f0","source":{"kind":"arxiv","id":"1211.2267","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.2267","created_at":"2026-05-18T03:35:53Z"},{"alias_kind":"arxiv_version","alias_value":"1211.2267v2","created_at":"2026-05-18T03:35:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2267","created_at":"2026-05-18T03:35:53Z"},{"alias_kind":"pith_short_12","alias_value":"LAR5J7J7IQTE","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LAR5J7J7IQTEUS7B","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LAR5J7J7","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:LAR5J7J7IQTEUS7B2EG7RBEAFS","target":"record","payload":{"canonical_record":{"source":{"id":"1211.2267","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-09T23:55:25Z","cross_cats_sorted":["physics.atom-ph"],"title_canon_sha256":"bb6b86a2e136fc6a80e56afdab65a65b6e859b387b2feb3dd1d11f82faa516c9","abstract_canon_sha256":"27c79fe715dde83d7f2aad16f507985fa8ff75deee75cd0203332691a806c234"},"schema_version":"1.0"},"canonical_sha256":"5823d4fd3f44264a4be1d10df884802cab8a1bb8d099fe72900aaf25156a90f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:35:53.738183Z","signature_b64":"KuqqihHGdEzO2r+FYgrXSCuYodGBKGpPFFkccgwIPxxIcIIhn7D83kONoPdICyrAdcyYK3OuDr1C+7Rw42qxCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5823d4fd3f44264a4be1d10df884802cab8a1bb8d099fe72900aaf25156a90f0","last_reissued_at":"2026-05-18T03:35:53.737447Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:35:53.737447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.2267","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:35:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rW+p6UnDHv1SFN57LOhKZ70tgDidNs30WlSNVICu3/IqfAbibVKMBDf1JpzdTVO0cR0Au7wbKPIZcP9McFkwBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:40:12.026956Z"},"content_sha256":"134313679adf4b29ce3658e938217d3b265398518a265a726722d685de18fa6e","schema_version":"1.0","event_id":"sha256:134313679adf4b29ce3658e938217d3b265398518a265a726722d685de18fa6e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:LAR5J7J7IQTEUS7B2EG7RBEAFS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Production of quantum degenerate mixtures of ytterbium and lithium with controllable inter-species overlap","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.atom-ph"],"primary_cat":"cond-mat.quant-gas","authors_text":"Alan O. Jamison, Alexander Y. Khramov, Anders H. Hansen, Benjamin Plotkin-Swing, Richard J. Roy, Subhadeep Gupta, William H. Dowd","submitted_at":"2012-11-09T23:55:25Z","abstract_excerpt":"Quantum degenerate mixtures of alkali and spin-singlet atoms form the starting point for studying few- and many-body physics of mass-imbalanced pairs as well as the production of paramagnetic polar molecules. We recently reported the achievement of dual-species quantum degeneracy of a mixture of lithium and ytterbium atoms. Here we present details of the key experimental steps for the all-optical preparation of these mixtures. Further we demonstrate the use of the magnetic field gradient tool to compensate for the differential gravitational sag of the two species and control their spatial over"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2267","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:35:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zUsiQw4Yzw6TYVKGZSKjED8p+Y9F+y2wt+JPr5gO0icN1Kg5aL8fXjp30LQ8YEQ7BuuOn9u8K2nFfeY/P3q+Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T15:40:12.027707Z"},"content_sha256":"3ad29f1e0bb6819cc09e8e1af481fe9bc8c9752317f66b9fdbeea0602242378e","schema_version":"1.0","event_id":"sha256:3ad29f1e0bb6819cc09e8e1af481fe9bc8c9752317f66b9fdbeea0602242378e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LAR5J7J7IQTEUS7B2EG7RBEAFS/bundle.json","state_url":"https://pith.science/pith/LAR5J7J7IQTEUS7B2EG7RBEAFS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LAR5J7J7IQTEUS7B2EG7RBEAFS/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-08T15:40:12Z","links":{"resolver":"https://pith.science/pith/LAR5J7J7IQTEUS7B2EG7RBEAFS","bundle":"https://pith.science/pith/LAR5J7J7IQTEUS7B2EG7RBEAFS/bundle.json","state":"https://pith.science/pith/LAR5J7J7IQTEUS7B2EG7RBEAFS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LAR5J7J7IQTEUS7B2EG7RBEAFS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:LAR5J7J7IQTEUS7B2EG7RBEAFS","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":"27c79fe715dde83d7f2aad16f507985fa8ff75deee75cd0203332691a806c234","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-09T23:55:25Z","title_canon_sha256":"bb6b86a2e136fc6a80e56afdab65a65b6e859b387b2feb3dd1d11f82faa516c9"},"schema_version":"1.0","source":{"id":"1211.2267","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.2267","created_at":"2026-05-18T03:35:53Z"},{"alias_kind":"arxiv_version","alias_value":"1211.2267v2","created_at":"2026-05-18T03:35:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.2267","created_at":"2026-05-18T03:35:53Z"},{"alias_kind":"pith_short_12","alias_value":"LAR5J7J7IQTE","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"LAR5J7J7IQTEUS7B","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"LAR5J7J7","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:3ad29f1e0bb6819cc09e8e1af481fe9bc8c9752317f66b9fdbeea0602242378e","target":"graph","created_at":"2026-05-18T03:35:53Z","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":"Quantum degenerate mixtures of alkali and spin-singlet atoms form the starting point for studying few- and many-body physics of mass-imbalanced pairs as well as the production of paramagnetic polar molecules. We recently reported the achievement of dual-species quantum degeneracy of a mixture of lithium and ytterbium atoms. Here we present details of the key experimental steps for the all-optical preparation of these mixtures. Further we demonstrate the use of the magnetic field gradient tool to compensate for the differential gravitational sag of the two species and control their spatial over","authors_text":"Alan O. Jamison, Alexander Y. Khramov, Anders H. Hansen, Benjamin Plotkin-Swing, Richard J. Roy, Subhadeep Gupta, William H. Dowd","cross_cats":["physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-09T23:55:25Z","title":"Production of quantum degenerate mixtures of ytterbium and lithium with controllable inter-species overlap"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.2267","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":"sha256:134313679adf4b29ce3658e938217d3b265398518a265a726722d685de18fa6e","target":"record","created_at":"2026-05-18T03:35:53Z","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":"27c79fe715dde83d7f2aad16f507985fa8ff75deee75cd0203332691a806c234","cross_cats_sorted":["physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2012-11-09T23:55:25Z","title_canon_sha256":"bb6b86a2e136fc6a80e56afdab65a65b6e859b387b2feb3dd1d11f82faa516c9"},"schema_version":"1.0","source":{"id":"1211.2267","kind":"arxiv","version":2}},"canonical_sha256":"5823d4fd3f44264a4be1d10df884802cab8a1bb8d099fe72900aaf25156a90f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5823d4fd3f44264a4be1d10df884802cab8a1bb8d099fe72900aaf25156a90f0","first_computed_at":"2026-05-18T03:35:53.737447Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:35:53.737447Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KuqqihHGdEzO2r+FYgrXSCuYodGBKGpPFFkccgwIPxxIcIIhn7D83kONoPdICyrAdcyYK3OuDr1C+7Rw42qxCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:35:53.738183Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.2267","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:134313679adf4b29ce3658e938217d3b265398518a265a726722d685de18fa6e","sha256:3ad29f1e0bb6819cc09e8e1af481fe9bc8c9752317f66b9fdbeea0602242378e"],"state_sha256":"89530b171b20f3af7410c244433b7bee2e0ff0ce61c8c36f404240b28521222e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fK/UPXk7Pvm/FgKNYvtA1MFd0u3wxPxFJuohxrgkEZypOX1spGjssScQ8whFxl4eEy/3dVAW1VJnf+H/hSCwAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T15:40:12.031823Z","bundle_sha256":"bf61768f42e1344477ebc74bfbdb1cb5ee5ea6d2a8046086cdc25024e38704cc"}}