{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:3FWHGKPBNWWGVGA4RYU44X3HTL","short_pith_number":"pith:3FWHGKPB","canonical_record":{"source":{"id":"1101.5142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-01-26T20:07:23Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"87d465c9ac1c231d9d1b2421c48e07640b7c7027e30b1d9dfd770c34bc393aca","abstract_canon_sha256":"0882a943d59731a033e7f4434edfe72e2a9c0eb0d3084723e02d69e7106d0393"},"schema_version":"1.0"},"canonical_sha256":"d96c7329e16dac6a981c8e29ce5f679af65b9c15550fd900b54065b270df5088","source":{"kind":"arxiv","id":"1101.5142","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5142","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5142v1","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5142","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"pith_short_12","alias_value":"3FWHGKPBNWWG","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"3FWHGKPBNWWGVGA4","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"3FWHGKPB","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:3FWHGKPBNWWGVGA4RYU44X3HTL","target":"record","payload":{"canonical_record":{"source":{"id":"1101.5142","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-01-26T20:07:23Z","cross_cats_sorted":["cond-mat.quant-gas"],"title_canon_sha256":"87d465c9ac1c231d9d1b2421c48e07640b7c7027e30b1d9dfd770c34bc393aca","abstract_canon_sha256":"0882a943d59731a033e7f4434edfe72e2a9c0eb0d3084723e02d69e7106d0393"},"schema_version":"1.0"},"canonical_sha256":"d96c7329e16dac6a981c8e29ce5f679af65b9c15550fd900b54065b270df5088","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:03:21.796564Z","signature_b64":"hSx+M8+8k40j2yeDZgbEIZYFccxaL26ntHMqS0Vt90ZHh1LOanKNxM6p/5n4lRO+fNtaERxHtP9JidS2ZS+ECA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d96c7329e16dac6a981c8e29ce5f679af65b9c15550fd900b54065b270df5088","last_reissued_at":"2026-05-18T02:03:21.795859Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:03:21.795859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.5142","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":"2026-05-18T02:03:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zUxUj1BljVkc40JxHDu2hNPEbmdUHk8lct5SoyjBGMoF6MqZmsGRSsZn06Ij7QPM6ZCtefjRCvPhAkhehsjYCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T09:56:07.226103Z"},"content_sha256":"a7ced8f3cebad146542f9a443b1cff5e95d854849dafcb940dd1fdd55d2160a2","schema_version":"1.0","event_id":"sha256:a7ced8f3cebad146542f9a443b1cff5e95d854849dafcb940dd1fdd55d2160a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:3FWHGKPBNWWGVGA4RYU44X3HTL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Sympathetic cooling in an optically trapped mixture of alkali and spin-singlet atoms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas"],"primary_cat":"physics.atom-ph","authors_text":"Alan O. Jamison, Alexander Khramov, Anders H. Hansen, Frank Muenchow, Subhadeep Gupta, Vladyslav V. Ivanov, William H. Dowd","submitted_at":"2011-01-26T20:07:23Z","abstract_excerpt":"We report on the realization of a stable mixture of ultracold lithium and ytterbium atoms confined in a far-off-resonance optical dipole trap. We observe sympathetic cooling of 6Li by 174Yb and extract the s-wave scattering length magnitude |a6Li-174Yb| = (13 \\pm 3)a0 from the rate of inter-species thermalization. Using forced evaporative cooling of 174Yb, we achieve reduction of the 6Li temperature to below the Fermi temperature, purely through inter-species sympathetic cooling."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5142","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":"2026-05-18T02:03:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DsZEiFwYNFxCtf3WiYOX+q6YKS3jIHYepGS9Lonb5V8jo5ybVVgHnnDToa0DKtRKTD21AL3cbks+mbLaeUZKCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T09:56:07.226474Z"},"content_sha256":"7d2d5d36a040695b66368cce63a896d76384e65df82568a589f88b9c8fe79698","schema_version":"1.0","event_id":"sha256:7d2d5d36a040695b66368cce63a896d76384e65df82568a589f88b9c8fe79698"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3FWHGKPBNWWGVGA4RYU44X3HTL/bundle.json","state_url":"https://pith.science/pith/3FWHGKPBNWWGVGA4RYU44X3HTL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3FWHGKPBNWWGVGA4RYU44X3HTL/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":"2026-06-08T09:56:07Z","links":{"resolver":"https://pith.science/pith/3FWHGKPBNWWGVGA4RYU44X3HTL","bundle":"https://pith.science/pith/3FWHGKPBNWWGVGA4RYU44X3HTL/bundle.json","state":"https://pith.science/pith/3FWHGKPBNWWGVGA4RYU44X3HTL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3FWHGKPBNWWGVGA4RYU44X3HTL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:3FWHGKPBNWWGVGA4RYU44X3HTL","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":"0882a943d59731a033e7f4434edfe72e2a9c0eb0d3084723e02d69e7106d0393","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-01-26T20:07:23Z","title_canon_sha256":"87d465c9ac1c231d9d1b2421c48e07640b7c7027e30b1d9dfd770c34bc393aca"},"schema_version":"1.0","source":{"id":"1101.5142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.5142","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"arxiv_version","alias_value":"1101.5142v1","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.5142","created_at":"2026-05-18T02:03:21Z"},{"alias_kind":"pith_short_12","alias_value":"3FWHGKPBNWWG","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"3FWHGKPBNWWGVGA4","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"3FWHGKPB","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:7d2d5d36a040695b66368cce63a896d76384e65df82568a589f88b9c8fe79698","target":"graph","created_at":"2026-05-18T02:03:21Z","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 report on the realization of a stable mixture of ultracold lithium and ytterbium atoms confined in a far-off-resonance optical dipole trap. We observe sympathetic cooling of 6Li by 174Yb and extract the s-wave scattering length magnitude |a6Li-174Yb| = (13 \\pm 3)a0 from the rate of inter-species thermalization. Using forced evaporative cooling of 174Yb, we achieve reduction of the 6Li temperature to below the Fermi temperature, purely through inter-species sympathetic cooling.","authors_text":"Alan O. Jamison, Alexander Khramov, Anders H. Hansen, Frank Muenchow, Subhadeep Gupta, Vladyslav V. Ivanov, William H. Dowd","cross_cats":["cond-mat.quant-gas"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-01-26T20:07:23Z","title":"Sympathetic cooling in an optically trapped mixture of alkali and spin-singlet atoms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.5142","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:a7ced8f3cebad146542f9a443b1cff5e95d854849dafcb940dd1fdd55d2160a2","target":"record","created_at":"2026-05-18T02:03:21Z","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":"0882a943d59731a033e7f4434edfe72e2a9c0eb0d3084723e02d69e7106d0393","cross_cats_sorted":["cond-mat.quant-gas"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atom-ph","submitted_at":"2011-01-26T20:07:23Z","title_canon_sha256":"87d465c9ac1c231d9d1b2421c48e07640b7c7027e30b1d9dfd770c34bc393aca"},"schema_version":"1.0","source":{"id":"1101.5142","kind":"arxiv","version":1}},"canonical_sha256":"d96c7329e16dac6a981c8e29ce5f679af65b9c15550fd900b54065b270df5088","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d96c7329e16dac6a981c8e29ce5f679af65b9c15550fd900b54065b270df5088","first_computed_at":"2026-05-18T02:03:21.795859Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:03:21.795859Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hSx+M8+8k40j2yeDZgbEIZYFccxaL26ntHMqS0Vt90ZHh1LOanKNxM6p/5n4lRO+fNtaERxHtP9JidS2ZS+ECA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:03:21.796564Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.5142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7ced8f3cebad146542f9a443b1cff5e95d854849dafcb940dd1fdd55d2160a2","sha256:7d2d5d36a040695b66368cce63a896d76384e65df82568a589f88b9c8fe79698"],"state_sha256":"cab97b1fa59d0374c6efc020c982c82a22df2d1771521ae45dbb88c3f5ab25d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YR7vMX9CoFchhONc66RAHotZJ9wRyuZRxbZBzejfQLcxybM9PtEFaZhN8LYO66/wlmW4ZUzXBllGVIzTIh96Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T09:56:07.228685Z","bundle_sha256":"98aa9c32dd7083ea84132543fda3e11e89db69106b3ed98395a2d71555ae3430"}}