{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:VPQNNNCBXO3G6OMWO5B4TFAY5N","short_pith_number":"pith:VPQNNNCB","canonical_record":{"source":{"id":"0911.4678","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-24T17:28:05Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"247150c444840d5bb3ffa7cd642cb2b923337c072e3f9d579c20cf358d7df737","abstract_canon_sha256":"10b58de36d122aaa3161815399b6f95b3755c3460a16fbc4d9e78bbf0dd514da"},"schema_version":"1.0"},"canonical_sha256":"abe0d6b441bbb66f39967743c99418eb63ef77abbc700776f52c1412d9af6bf0","source":{"kind":"arxiv","id":"0911.4678","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.4678","created_at":"2026-05-18T04:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"0911.4678v3","created_at":"2026-05-18T04:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.4678","created_at":"2026-05-18T04:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"VPQNNNCBXO3G","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"VPQNNNCBXO3G6OMW","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"VPQNNNCB","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:VPQNNNCBXO3G6OMWO5B4TFAY5N","target":"record","payload":{"canonical_record":{"source":{"id":"0911.4678","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-24T17:28:05Z","cross_cats_sorted":["cond-mat.supr-con"],"title_canon_sha256":"247150c444840d5bb3ffa7cd642cb2b923337c072e3f9d579c20cf358d7df737","abstract_canon_sha256":"10b58de36d122aaa3161815399b6f95b3755c3460a16fbc4d9e78bbf0dd514da"},"schema_version":"1.0"},"canonical_sha256":"abe0d6b441bbb66f39967743c99418eb63ef77abbc700776f52c1412d9af6bf0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:49.864651Z","signature_b64":"nZgSUeUWzdCzCXwfvU7jlgT5che/kf8JKHma8NJs+UBCVUPe+TiXwBkX15M4TtrkzZ3j6TDEzArBULkoIxqFAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"abe0d6b441bbb66f39967743c99418eb63ef77abbc700776f52c1412d9af6bf0","last_reissued_at":"2026-05-18T04:33:49.864033Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:49.864033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0911.4678","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RxtI+WS2rGELt8pRx2EQZfM5CjX4/ACM9rxN7/R6d8AapXdpzVrpCBPpqRfjT6DibBqrN5g8kWf5EWgLCnhwAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T00:41:52.514772Z"},"content_sha256":"b9709a66691a72e5b6f83ff3ca12b401884658562c75d56ce91fad87ca327573","schema_version":"1.0","event_id":"sha256:b9709a66691a72e5b6f83ff3ca12b401884658562c75d56ce91fad87ca327573"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:VPQNNNCBXO3G6OMWO5B4TFAY5N","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin-asymmetric Josephson effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.supr-con"],"primary_cat":"cond-mat.quant-gas","authors_text":"F. Massel, G.-S. Paraoanu, J. Kajala, M.J. Leskinen, M.O.J. Heikkinen, P. Torma","submitted_at":"2009-11-24T17:28:05Z","abstract_excerpt":"The Josephson effect is a manifestation of the macroscopic phase coherence of superconductors and superfluids. We propose that with ultracold Fermi gases one can realise a spin-asymmetric Josephson effect in which the two spin components of a Cooper pair are driven asymmetrically - corresponding to driving a Josephson junction of two superconductors with different voltages V_\\uparrow and V_\\downarrow for spin up and down electrons, respectively. We predict that the spin up and down components oscillate at the same frequency but with different amplitudes. Our results reveal that the standard de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.4678","kind":"arxiv","version":3},"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":"2026-05-18T04:33:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bQytVYXDxc5gzd7MvX7TzeoGXRG7Kx+HMdPBt6kvZTcxCu/z2pDlXO3Oj1GcZgiwWcUcDYXaK3DD+RcL7sSpDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T00:41:52.515123Z"},"content_sha256":"85c9fdf3e7558c5ffcb911fe03a2ab29a0833c6129ee98eefae14014851ed447","schema_version":"1.0","event_id":"sha256:85c9fdf3e7558c5ffcb911fe03a2ab29a0833c6129ee98eefae14014851ed447"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VPQNNNCBXO3G6OMWO5B4TFAY5N/bundle.json","state_url":"https://pith.science/pith/VPQNNNCBXO3G6OMWO5B4TFAY5N/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VPQNNNCBXO3G6OMWO5B4TFAY5N/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":"2026-06-04T00:41:52Z","links":{"resolver":"https://pith.science/pith/VPQNNNCBXO3G6OMWO5B4TFAY5N","bundle":"https://pith.science/pith/VPQNNNCBXO3G6OMWO5B4TFAY5N/bundle.json","state":"https://pith.science/pith/VPQNNNCBXO3G6OMWO5B4TFAY5N/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VPQNNNCBXO3G6OMWO5B4TFAY5N/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:VPQNNNCBXO3G6OMWO5B4TFAY5N","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":"10b58de36d122aaa3161815399b6f95b3755c3460a16fbc4d9e78bbf0dd514da","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-24T17:28:05Z","title_canon_sha256":"247150c444840d5bb3ffa7cd642cb2b923337c072e3f9d579c20cf358d7df737"},"schema_version":"1.0","source":{"id":"0911.4678","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0911.4678","created_at":"2026-05-18T04:33:49Z"},{"alias_kind":"arxiv_version","alias_value":"0911.4678v3","created_at":"2026-05-18T04:33:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0911.4678","created_at":"2026-05-18T04:33:49Z"},{"alias_kind":"pith_short_12","alias_value":"VPQNNNCBXO3G","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"VPQNNNCBXO3G6OMW","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"VPQNNNCB","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:85c9fdf3e7558c5ffcb911fe03a2ab29a0833c6129ee98eefae14014851ed447","target":"graph","created_at":"2026-05-18T04:33:49Z","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":"The Josephson effect is a manifestation of the macroscopic phase coherence of superconductors and superfluids. We propose that with ultracold Fermi gases one can realise a spin-asymmetric Josephson effect in which the two spin components of a Cooper pair are driven asymmetrically - corresponding to driving a Josephson junction of two superconductors with different voltages V_\\uparrow and V_\\downarrow for spin up and down electrons, respectively. We predict that the spin up and down components oscillate at the same frequency but with different amplitudes. Our results reveal that the standard de","authors_text":"F. Massel, G.-S. Paraoanu, J. Kajala, M.J. Leskinen, M.O.J. Heikkinen, P. Torma","cross_cats":["cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-24T17:28:05Z","title":"Spin-asymmetric Josephson effect"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0911.4678","kind":"arxiv","version":3},"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:b9709a66691a72e5b6f83ff3ca12b401884658562c75d56ce91fad87ca327573","target":"record","created_at":"2026-05-18T04:33:49Z","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":"10b58de36d122aaa3161815399b6f95b3755c3460a16fbc4d9e78bbf0dd514da","cross_cats_sorted":["cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.quant-gas","submitted_at":"2009-11-24T17:28:05Z","title_canon_sha256":"247150c444840d5bb3ffa7cd642cb2b923337c072e3f9d579c20cf358d7df737"},"schema_version":"1.0","source":{"id":"0911.4678","kind":"arxiv","version":3}},"canonical_sha256":"abe0d6b441bbb66f39967743c99418eb63ef77abbc700776f52c1412d9af6bf0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"abe0d6b441bbb66f39967743c99418eb63ef77abbc700776f52c1412d9af6bf0","first_computed_at":"2026-05-18T04:33:49.864033Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:49.864033Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nZgSUeUWzdCzCXwfvU7jlgT5che/kf8JKHma8NJs+UBCVUPe+TiXwBkX15M4TtrkzZ3j6TDEzArBULkoIxqFAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:49.864651Z","signed_message":"canonical_sha256_bytes"},"source_id":"0911.4678","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b9709a66691a72e5b6f83ff3ca12b401884658562c75d56ce91fad87ca327573","sha256:85c9fdf3e7558c5ffcb911fe03a2ab29a0833c6129ee98eefae14014851ed447"],"state_sha256":"a81029096f2b5271fa7208fba1cc263e0be20a9e45a10b3edd9aa276f429f6eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7Wg6/LGfhwjFwtS9Gzr1MMYseAJBu9X6jgs9awHYEBjWGYKQBv2HUPMPnimeuGuk22D54GhjZ7GCyYU7SNzsDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T00:41:52.517199Z","bundle_sha256":"2e12c5834c1ee54398b96fc7fbcb7ee425b1382cd7db4d374437f67fc071bb93"}}