{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:QUWTYYS72K4LEXAUYDTEROM73Q","short_pith_number":"pith:QUWTYYS7","canonical_record":{"source":{"id":"1103.2337","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-11T18:36:54Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"458a6487ad0807eda49e7c8a08f40d3a391b4dd83cba6f5769b4f2bc9bca3189","abstract_canon_sha256":"fda1dde3494d604cb7341bfc7f6c04e0203ffd3493ee5c5a4dc432b30a76e817"},"schema_version":"1.0"},"canonical_sha256":"852d3c625fd2b8b25c14c0e648b99fdc27dff9cc3e684729c3f0e790c8ab2a00","source":{"kind":"arxiv","id":"1103.2337","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2337","created_at":"2026-05-18T02:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2337v1","created_at":"2026-05-18T02:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2337","created_at":"2026-05-18T02:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"QUWTYYS72K4L","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QUWTYYS72K4LEXAU","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QUWTYYS7","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:QUWTYYS72K4LEXAUYDTEROM73Q","target":"record","payload":{"canonical_record":{"source":{"id":"1103.2337","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-11T18:36:54Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"458a6487ad0807eda49e7c8a08f40d3a391b4dd83cba6f5769b4f2bc9bca3189","abstract_canon_sha256":"fda1dde3494d604cb7341bfc7f6c04e0203ffd3493ee5c5a4dc432b30a76e817"},"schema_version":"1.0"},"canonical_sha256":"852d3c625fd2b8b25c14c0e648b99fdc27dff9cc3e684729c3f0e790c8ab2a00","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:19.901183Z","signature_b64":"xANJJXpar4TxKp2DZtCrI7v53HLJvYPxFx81fNnqcvsADJBp2ne+/QIUEGiuFGD/+jSRJAxb9QnJZ3DKbp8oBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"852d3c625fd2b8b25c14c0e648b99fdc27dff9cc3e684729c3f0e790c8ab2a00","last_reissued_at":"2026-05-18T02:22:19.900487Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:19.900487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.2337","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":"2026-05-18T02:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UTEmEymQ98PTjHQBzhDPt6Et3Flq5tGGG24/G5wpgkDxHngWf6IYmXnN3GKRvuZXlcGjrbvUNdK/j5HdeosiCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:02:33.394719Z"},"content_sha256":"edefa03bb7df5a8032e4dce568d2426f56b754c97f8ac447f638b87bc12fd65c","schema_version":"1.0","event_id":"sha256:edefa03bb7df5a8032e4dce568d2426f56b754c97f8ac447f638b87bc12fd65c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:QUWTYYS72K4LEXAUYDTEROM73Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin Transport in Polaronic and Superfluid Fermi Gases","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.quant-gas","authors_text":"Ariel Sommer, Mark Ku, Martin W. Zwierlein","submitted_at":"2011-03-11T18:36:54Z","abstract_excerpt":"We present measurements of spin transport in ultracold gases of fermionic lithium-6 in a mixture of two spin states at a Feshbach resonance. In particular, we study the spin dipole mode, where the two spin components are displaced from each other against a harmonic restoring force. We prepare a highly-imbalanced, or polaronic, spin mixture with a spin dipole excitation and observe strong, unitarity limited damping of the spin dipole mode. In gases with small spin imbalance, below the Pauli limit for superfluidity, we observe strongly damped spin flow despite the presence of a superfluid core."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2337","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":"2026-05-18T02:22:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gAr4BvY6bkkdopsPh1fXisg+jpKtKhA+kqvMkPEOVTyWmJ535VQkvoVrgzNB7XJfwMZ+mFHtJ3x4uI6mhBHXDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T00:02:33.395382Z"},"content_sha256":"60c35649aa3d576502360fdef5eca605d4cd61421c1ac53f4c6ed79c36902dd8","schema_version":"1.0","event_id":"sha256:60c35649aa3d576502360fdef5eca605d4cd61421c1ac53f4c6ed79c36902dd8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QUWTYYS72K4LEXAUYDTEROM73Q/bundle.json","state_url":"https://pith.science/pith/QUWTYYS72K4LEXAUYDTEROM73Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QUWTYYS72K4LEXAUYDTEROM73Q/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":"2026-06-05T00:02:33Z","links":{"resolver":"https://pith.science/pith/QUWTYYS72K4LEXAUYDTEROM73Q","bundle":"https://pith.science/pith/QUWTYYS72K4LEXAUYDTEROM73Q/bundle.json","state":"https://pith.science/pith/QUWTYYS72K4LEXAUYDTEROM73Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QUWTYYS72K4LEXAUYDTEROM73Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:QUWTYYS72K4LEXAUYDTEROM73Q","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":"fda1dde3494d604cb7341bfc7f6c04e0203ffd3493ee5c5a4dc432b30a76e817","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-11T18:36:54Z","title_canon_sha256":"458a6487ad0807eda49e7c8a08f40d3a391b4dd83cba6f5769b4f2bc9bca3189"},"schema_version":"1.0","source":{"id":"1103.2337","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2337","created_at":"2026-05-18T02:22:19Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2337v1","created_at":"2026-05-18T02:22:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2337","created_at":"2026-05-18T02:22:19Z"},{"alias_kind":"pith_short_12","alias_value":"QUWTYYS72K4L","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"QUWTYYS72K4LEXAU","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"QUWTYYS7","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:60c35649aa3d576502360fdef5eca605d4cd61421c1ac53f4c6ed79c36902dd8","target":"graph","created_at":"2026-05-18T02:22:19Z","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 present measurements of spin transport in ultracold gases of fermionic lithium-6 in a mixture of two spin states at a Feshbach resonance. In particular, we study the spin dipole mode, where the two spin components are displaced from each other against a harmonic restoring force. We prepare a highly-imbalanced, or polaronic, spin mixture with a spin dipole excitation and observe strong, unitarity limited damping of the spin dipole mode. In gases with small spin imbalance, below the Pauli limit for superfluidity, we observe strongly damped spin flow despite the presence of a superfluid core.","authors_text":"Ariel Sommer, Mark Ku, Martin W. Zwierlein","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-11T18:36:54Z","title":"Spin Transport in Polaronic and Superfluid Fermi Gases"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2337","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:edefa03bb7df5a8032e4dce568d2426f56b754c97f8ac447f638b87bc12fd65c","target":"record","created_at":"2026-05-18T02:22:19Z","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":"fda1dde3494d604cb7341bfc7f6c04e0203ffd3493ee5c5a4dc432b30a76e817","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2011-03-11T18:36:54Z","title_canon_sha256":"458a6487ad0807eda49e7c8a08f40d3a391b4dd83cba6f5769b4f2bc9bca3189"},"schema_version":"1.0","source":{"id":"1103.2337","kind":"arxiv","version":1}},"canonical_sha256":"852d3c625fd2b8b25c14c0e648b99fdc27dff9cc3e684729c3f0e790c8ab2a00","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"852d3c625fd2b8b25c14c0e648b99fdc27dff9cc3e684729c3f0e790c8ab2a00","first_computed_at":"2026-05-18T02:22:19.900487Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:22:19.900487Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xANJJXpar4TxKp2DZtCrI7v53HLJvYPxFx81fNnqcvsADJBp2ne+/QIUEGiuFGD/+jSRJAxb9QnJZ3DKbp8oBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:22:19.901183Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.2337","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:edefa03bb7df5a8032e4dce568d2426f56b754c97f8ac447f638b87bc12fd65c","sha256:60c35649aa3d576502360fdef5eca605d4cd61421c1ac53f4c6ed79c36902dd8"],"state_sha256":"3f4f059c1da67ac62d17251c50fdfbac3c39795d107334edad61184b736082f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C+9Yp4MWVAjww3iibzbMeC0wyINCgkwwl4tzTehWaZ/a4FSD52Ub3ZyaJAiBez7zOkxWg7tR3twhh7k7LndUDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T00:02:33.398913Z","bundle_sha256":"9ee6f64d11847d12915bf713fedeeaef50104578e9c82fd89b8fe0fb7530d101"}}