{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VJ72N5CC2GCN2RRTJVZ4AVBHO2","short_pith_number":"pith:VJ72N5CC","canonical_record":{"source":{"id":"2107.08466","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-07-18T14:54:04Z","cross_cats_sorted":["cond-mat.supr-con","physics.app-ph","quant-ph"],"title_canon_sha256":"63bff88ef73ab9b9d05d34ed1896e83c556d93341e4059eb01d1e836d89ba349","abstract_canon_sha256":"5aef1a8e36c7d749c8fb31a3632cc0dd67c19bd3e27389df6aa4596db1257e13"},"schema_version":"1.0"},"canonical_sha256":"aa7fa6f442d184dd46334d73c05427768c52dd1bc901f35a52a82664214c3e8d","source":{"kind":"arxiv","id":"2107.08466","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.08466","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"arxiv_version","alias_value":"2107.08466v1","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.08466","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"pith_short_12","alias_value":"VJ72N5CC2GCN","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"pith_short_16","alias_value":"VJ72N5CC2GCN2RRT","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"pith_short_8","alias_value":"VJ72N5CC","created_at":"2026-07-05T05:21:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VJ72N5CC2GCN2RRTJVZ4AVBHO2","target":"record","payload":{"canonical_record":{"source":{"id":"2107.08466","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-07-18T14:54:04Z","cross_cats_sorted":["cond-mat.supr-con","physics.app-ph","quant-ph"],"title_canon_sha256":"63bff88ef73ab9b9d05d34ed1896e83c556d93341e4059eb01d1e836d89ba349","abstract_canon_sha256":"5aef1a8e36c7d749c8fb31a3632cc0dd67c19bd3e27389df6aa4596db1257e13"},"schema_version":"1.0"},"canonical_sha256":"aa7fa6f442d184dd46334d73c05427768c52dd1bc901f35a52a82664214c3e8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:21:39.867258Z","signature_b64":"Sugt7ia+/OldlfHFexu0sCbZQqv/ytidXVApbjHcTTM+lHvRxoa6Yk1hlO+2+MPg+Q5BpAaMRtbzMTNqdramAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa7fa6f442d184dd46334d73c05427768c52dd1bc901f35a52a82664214c3e8d","last_reissued_at":"2026-07-05T05:21:39.866844Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:21:39.866844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.08466","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":"2026-07-05T05:21:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vYr/BI3ek78XtTZXDLAtW2Wpjq3A6Ey/v/p74t2DlHJcaYt125g/JWTR6ymACs3wRCVDlBWjTr/ZnZsmRkSZCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:56:08.437357Z"},"content_sha256":"02ca32abb63581e23289aa93fc8e71b77128d1ff9ba93a49a4e70bd68abe8671","schema_version":"1.0","event_id":"sha256:02ca32abb63581e23289aa93fc8e71b77128d1ff9ba93a49a4e70bd68abe8671"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VJ72N5CC2GCN2RRTJVZ4AVBHO2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Supercurrent parity-meter in a nanowire Cooper-pair transistor","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.supr-con","physics.app-ph","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Chris J. Palmstr{\\o}m, Connor P. Dempsey, Constantin Schrade, David van Driel, Erik P.A.M. Bakkers, Ghada Badawy, Jie Shen, Ji-Yin Wang, Joon Sue Lee, Kongyi Li, Leo P. Kouwenhoven, Liang Fu, Mihir Pendharkar, Roy L.M. Op het Veld, Sasa Gazibegovic, Vukan Levajac","submitted_at":"2021-07-18T14:54:04Z","abstract_excerpt":"We study a Cooper-pair transistor realized by two Josephson weak links that enclose a superconducting island in an InSb-Al hybrid nanowire. When the nanowire is subject to a magnetic field, isolated subgap levels arise in the superconducting island and, due to the Coulomb blockade,mediate a supercurrent by coherent co-tunneling of Cooper pairs. We show that the supercurrent resulting from such co-tunneling events exhibits, for low to moderate magnetic fields, a phase offset that discriminates even and odd charge ground states on the superconducting island. Notably,this phase offset persists wh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.08466","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2107.08466/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T05:21:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vjj1pXtr0kv5m2qITfIVXJKLby27xwcgro1IrOYZEkUTiSPgF7nxt+tbCo8YZTJH9I0kRmvFSIffwU9O6lpNCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T09:56:08.437757Z"},"content_sha256":"802fd50d2c232d65964a48bf270d6aa66fc13513258b9ac0f14f9987a1df8921","schema_version":"1.0","event_id":"sha256:802fd50d2c232d65964a48bf270d6aa66fc13513258b9ac0f14f9987a1df8921"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VJ72N5CC2GCN2RRTJVZ4AVBHO2/bundle.json","state_url":"https://pith.science/pith/VJ72N5CC2GCN2RRTJVZ4AVBHO2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VJ72N5CC2GCN2RRTJVZ4AVBHO2/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":"2026-07-07T09:56:08Z","links":{"resolver":"https://pith.science/pith/VJ72N5CC2GCN2RRTJVZ4AVBHO2","bundle":"https://pith.science/pith/VJ72N5CC2GCN2RRTJVZ4AVBHO2/bundle.json","state":"https://pith.science/pith/VJ72N5CC2GCN2RRTJVZ4AVBHO2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VJ72N5CC2GCN2RRTJVZ4AVBHO2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VJ72N5CC2GCN2RRTJVZ4AVBHO2","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":"5aef1a8e36c7d749c8fb31a3632cc0dd67c19bd3e27389df6aa4596db1257e13","cross_cats_sorted":["cond-mat.supr-con","physics.app-ph","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-07-18T14:54:04Z","title_canon_sha256":"63bff88ef73ab9b9d05d34ed1896e83c556d93341e4059eb01d1e836d89ba349"},"schema_version":"1.0","source":{"id":"2107.08466","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.08466","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"arxiv_version","alias_value":"2107.08466v1","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.08466","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"pith_short_12","alias_value":"VJ72N5CC2GCN","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"pith_short_16","alias_value":"VJ72N5CC2GCN2RRT","created_at":"2026-07-05T05:21:39Z"},{"alias_kind":"pith_short_8","alias_value":"VJ72N5CC","created_at":"2026-07-05T05:21:39Z"}],"graph_snapshots":[{"event_id":"sha256:802fd50d2c232d65964a48bf270d6aa66fc13513258b9ac0f14f9987a1df8921","target":"graph","created_at":"2026-07-05T05:21:39Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2107.08466/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study a Cooper-pair transistor realized by two Josephson weak links that enclose a superconducting island in an InSb-Al hybrid nanowire. When the nanowire is subject to a magnetic field, isolated subgap levels arise in the superconducting island and, due to the Coulomb blockade,mediate a supercurrent by coherent co-tunneling of Cooper pairs. We show that the supercurrent resulting from such co-tunneling events exhibits, for low to moderate magnetic fields, a phase offset that discriminates even and odd charge ground states on the superconducting island. Notably,this phase offset persists wh","authors_text":"Chris J. Palmstr{\\o}m, Connor P. Dempsey, Constantin Schrade, David van Driel, Erik P.A.M. Bakkers, Ghada Badawy, Jie Shen, Ji-Yin Wang, Joon Sue Lee, Kongyi Li, Leo P. Kouwenhoven, Liang Fu, Mihir Pendharkar, Roy L.M. Op het Veld, Sasa Gazibegovic, Vukan Levajac","cross_cats":["cond-mat.supr-con","physics.app-ph","quant-ph"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-07-18T14:54:04Z","title":"Supercurrent parity-meter in a nanowire Cooper-pair transistor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.08466","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":"sha256:02ca32abb63581e23289aa93fc8e71b77128d1ff9ba93a49a4e70bd68abe8671","target":"record","created_at":"2026-07-05T05:21:39Z","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":"5aef1a8e36c7d749c8fb31a3632cc0dd67c19bd3e27389df6aa4596db1257e13","cross_cats_sorted":["cond-mat.supr-con","physics.app-ph","quant-ph"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-07-18T14:54:04Z","title_canon_sha256":"63bff88ef73ab9b9d05d34ed1896e83c556d93341e4059eb01d1e836d89ba349"},"schema_version":"1.0","source":{"id":"2107.08466","kind":"arxiv","version":1}},"canonical_sha256":"aa7fa6f442d184dd46334d73c05427768c52dd1bc901f35a52a82664214c3e8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa7fa6f442d184dd46334d73c05427768c52dd1bc901f35a52a82664214c3e8d","first_computed_at":"2026-07-05T05:21:39.866844Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:21:39.866844Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Sugt7ia+/OldlfHFexu0sCbZQqv/ytidXVApbjHcTTM+lHvRxoa6Yk1hlO+2+MPg+Q5BpAaMRtbzMTNqdramAw==","signature_status":"signed_v1","signed_at":"2026-07-05T05:21:39.867258Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.08466","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:02ca32abb63581e23289aa93fc8e71b77128d1ff9ba93a49a4e70bd68abe8671","sha256:802fd50d2c232d65964a48bf270d6aa66fc13513258b9ac0f14f9987a1df8921"],"state_sha256":"139812d73665a84d5b151f28cb9ba899da524bfa76c085690cc3816beed60a89"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ElrdquCWtmvR+EM1eMgtoBCsweUSGCTakThThvAYF3rI2oAf9U6jGlJsMN8GTSXSJd5EnNzISspwH+rdE9UqDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T09:56:08.439598Z","bundle_sha256":"563aa61e102660818622142b11dfb137c8b67f08fde7d52983321039c4316422"}}