{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:52XEVDDKGCQEVTQAFFE42JQS57","short_pith_number":"pith:52XEVDDK","canonical_record":{"source":{"id":"1105.5751","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-05-29T03:13:32Z","cross_cats_sorted":[],"title_canon_sha256":"f5103b9ef80ed3b49807b09946499073d397b63d06f4b0c595f7f087444bdf00","abstract_canon_sha256":"08a18f825300b23e91d89d28e07d509a64ac9a117343520761b4773fcde06e9e"},"schema_version":"1.0"},"canonical_sha256":"eeae4a8c6a30a04ace002949cd2612efeb8dedbaaa7a0819fa81d190bc6b94c9","source":{"kind":"arxiv","id":"1105.5751","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.5751","created_at":"2026-05-18T02:01:46Z"},{"alias_kind":"arxiv_version","alias_value":"1105.5751v1","created_at":"2026-05-18T02:01:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5751","created_at":"2026-05-18T02:01:46Z"},{"alias_kind":"pith_short_12","alias_value":"52XEVDDKGCQE","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"52XEVDDKGCQEVTQA","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"52XEVDDK","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:52XEVDDKGCQEVTQAFFE42JQS57","target":"record","payload":{"canonical_record":{"source":{"id":"1105.5751","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-05-29T03:13:32Z","cross_cats_sorted":[],"title_canon_sha256":"f5103b9ef80ed3b49807b09946499073d397b63d06f4b0c595f7f087444bdf00","abstract_canon_sha256":"08a18f825300b23e91d89d28e07d509a64ac9a117343520761b4773fcde06e9e"},"schema_version":"1.0"},"canonical_sha256":"eeae4a8c6a30a04ace002949cd2612efeb8dedbaaa7a0819fa81d190bc6b94c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:46.688507Z","signature_b64":"S+3JoEoJAHuAsSwBLJy4DxmXFCoqTbFFLTip35fX3QTDl3hc54kyz23N9mfg879IByXO41qfK8OjZtOEUtrGDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"eeae4a8c6a30a04ace002949cd2612efeb8dedbaaa7a0819fa81d190bc6b94c9","last_reissued_at":"2026-05-18T02:01:46.687769Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:46.687769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.5751","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:01:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o5SdGy1FJIEWT2F+wHCOjJ6E8wUDoRVxN0IMhkzqBBqCcyCDtEqezI+2id/Edf/x4HXKXvkqWbo0Gu8KfiiGAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T13:42:35.478997Z"},"content_sha256":"53b272490bec882115a90f6b6fcdb2532299f12376362993e5977040a4ccd0ac","schema_version":"1.0","event_id":"sha256:53b272490bec882115a90f6b6fcdb2532299f12376362993e5977040a4ccd0ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:52XEVDDKGCQEVTQAFFE42JQS57","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum Degenerate Mixture of Ytterbium and Lithium Atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.quant-gas","authors_text":"Alan O. Jamison, Alexander Khramov, Anders H. Hansen, Subhadeep Gupta, Vladyslav V. Ivanov, William H. Dowd","submitted_at":"2011-05-29T03:13:32Z","abstract_excerpt":"We have produced a quantum degenerate mixture of fermionic alkali 6Li and bosonic spin-singlet 174Yb gases. This was achieved using sympathetic cooling of lithium atoms by evaporatively cooled ytterbium atoms in a far-off-resonant optical dipole trap. We observe co-existence of Bose condensed (T/T_c~0.8) 174Yb with 2.3*10^4 atoms and Fermi degenerate (T/T_F~0.3) 6Li with 1.2*10^4 atoms. Quasipure Bose-Einstein condensates of up to 3*10^4 174Yb atoms can be produced in single-species experiments. Our results mark a significant step toward studies of few and many-body physics with mixtures of al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5751","kind":"arxiv","version":1},"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":"2026-05-18T02:01:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QDCra8QQYrrJ+km2uddTuRQ3vC+gC1k3ZXS8utGahSasTz/4Oi+ixUORIf1PgPZ5asfUfd0zsRwYsekz9MnaAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T13:42:35.479357Z"},"content_sha256":"de4521a8baabafffae2aa6dd85e210018bb910a508be96d67afbf357759904de","schema_version":"1.0","event_id":"sha256:de4521a8baabafffae2aa6dd85e210018bb910a508be96d67afbf357759904de"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/52XEVDDKGCQEVTQAFFE42JQS57/bundle.json","state_url":"https://pith.science/pith/52XEVDDKGCQEVTQAFFE42JQS57/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/52XEVDDKGCQEVTQAFFE42JQS57/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":"2026-06-08T13:42:35Z","links":{"resolver":"https://pith.science/pith/52XEVDDKGCQEVTQAFFE42JQS57","bundle":"https://pith.science/pith/52XEVDDKGCQEVTQAFFE42JQS57/bundle.json","state":"https://pith.science/pith/52XEVDDKGCQEVTQAFFE42JQS57/state.json","well_known_bundle":"https://pith.science/.well-known/pith/52XEVDDKGCQEVTQAFFE42JQS57/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:52XEVDDKGCQEVTQAFFE42JQS57","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":"08a18f825300b23e91d89d28e07d509a64ac9a117343520761b4773fcde06e9e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-05-29T03:13:32Z","title_canon_sha256":"f5103b9ef80ed3b49807b09946499073d397b63d06f4b0c595f7f087444bdf00"},"schema_version":"1.0","source":{"id":"1105.5751","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.5751","created_at":"2026-05-18T02:01:46Z"},{"alias_kind":"arxiv_version","alias_value":"1105.5751v1","created_at":"2026-05-18T02:01:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.5751","created_at":"2026-05-18T02:01:46Z"},{"alias_kind":"pith_short_12","alias_value":"52XEVDDKGCQE","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"52XEVDDKGCQEVTQA","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"52XEVDDK","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:de4521a8baabafffae2aa6dd85e210018bb910a508be96d67afbf357759904de","target":"graph","created_at":"2026-05-18T02:01:46Z","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 have produced a quantum degenerate mixture of fermionic alkali 6Li and bosonic spin-singlet 174Yb gases. This was achieved using sympathetic cooling of lithium atoms by evaporatively cooled ytterbium atoms in a far-off-resonant optical dipole trap. We observe co-existence of Bose condensed (T/T_c~0.8) 174Yb with 2.3*10^4 atoms and Fermi degenerate (T/T_F~0.3) 6Li with 1.2*10^4 atoms. Quasipure Bose-Einstein condensates of up to 3*10^4 174Yb atoms can be produced in single-species experiments. Our results mark a significant step toward studies of few and many-body physics with mixtures of al","authors_text":"Alan O. Jamison, Alexander Khramov, Anders H. Hansen, Subhadeep Gupta, Vladyslav V. Ivanov, William H. Dowd","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-05-29T03:13:32Z","title":"Quantum Degenerate Mixture of Ytterbium and Lithium Atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.5751","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":"sha256:53b272490bec882115a90f6b6fcdb2532299f12376362993e5977040a4ccd0ac","target":"record","created_at":"2026-05-18T02:01:46Z","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":"08a18f825300b23e91d89d28e07d509a64ac9a117343520761b4773fcde06e9e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-05-29T03:13:32Z","title_canon_sha256":"f5103b9ef80ed3b49807b09946499073d397b63d06f4b0c595f7f087444bdf00"},"schema_version":"1.0","source":{"id":"1105.5751","kind":"arxiv","version":1}},"canonical_sha256":"eeae4a8c6a30a04ace002949cd2612efeb8dedbaaa7a0819fa81d190bc6b94c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"eeae4a8c6a30a04ace002949cd2612efeb8dedbaaa7a0819fa81d190bc6b94c9","first_computed_at":"2026-05-18T02:01:46.687769Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:46.687769Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S+3JoEoJAHuAsSwBLJy4DxmXFCoqTbFFLTip35fX3QTDl3hc54kyz23N9mfg879IByXO41qfK8OjZtOEUtrGDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:46.688507Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.5751","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53b272490bec882115a90f6b6fcdb2532299f12376362993e5977040a4ccd0ac","sha256:de4521a8baabafffae2aa6dd85e210018bb910a508be96d67afbf357759904de"],"state_sha256":"88b6910094a38aeaacbb7d854cddb3bd8c46a40f010e79fd6aae5a03f5f3daa0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AsXoBwcr/J89FOc/vOuMk7aq8cB7OhdWwscXG2uoLA+OksK2geuumbs9syRUwWmdU1Mv1Uy04eYUimUNel3lBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T13:42:35.481293Z","bundle_sha256":"39146e042c77911f6e5501d6ea2eb9ebc3fc7ae418e022b170a0221119ca7cd9"}}