{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:E6XMCB3Z52MVOYV45PDU2PASF3","short_pith_number":"pith:E6XMCB3Z","canonical_record":{"source":{"id":"0902.4860","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-02-27T16:04:13Z","cross_cats_sorted":[],"title_canon_sha256":"e6d4b05a4ef94e54f033ce0155f18e784132f114a96d307d4fd0c4dc7dfdc724","abstract_canon_sha256":"6821fe047588e18bc3a85340d5618c0d8dd0a4f7b25c72752d4ad39bfa266a53"},"schema_version":"1.0"},"canonical_sha256":"27aec10779ee995762bcebc74d3c122ef58d1c2bc49ecb05a88a8ee6405d9bc8","source":{"kind":"arxiv","id":"0902.4860","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.4860","created_at":"2026-05-18T02:14:38Z"},{"alias_kind":"arxiv_version","alias_value":"0902.4860v1","created_at":"2026-05-18T02:14:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.4860","created_at":"2026-05-18T02:14:38Z"},{"alias_kind":"pith_short_12","alias_value":"E6XMCB3Z52MV","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"E6XMCB3Z52MVOYV4","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"E6XMCB3Z","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:E6XMCB3Z52MVOYV45PDU2PASF3","target":"record","payload":{"canonical_record":{"source":{"id":"0902.4860","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-02-27T16:04:13Z","cross_cats_sorted":[],"title_canon_sha256":"e6d4b05a4ef94e54f033ce0155f18e784132f114a96d307d4fd0c4dc7dfdc724","abstract_canon_sha256":"6821fe047588e18bc3a85340d5618c0d8dd0a4f7b25c72752d4ad39bfa266a53"},"schema_version":"1.0"},"canonical_sha256":"27aec10779ee995762bcebc74d3c122ef58d1c2bc49ecb05a88a8ee6405d9bc8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:38.263490Z","signature_b64":"1XrSvKv4zP2w8Viat9iytf7KfKfwvFZwBO5lD48n8aH1xtKhDPKp4MycciTm7l0RkH6KskI0KL9/xxMX8gduBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"27aec10779ee995762bcebc74d3c122ef58d1c2bc49ecb05a88a8ee6405d9bc8","last_reissued_at":"2026-05-18T02:14:38.262509Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:38.262509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0902.4860","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":"2026-05-18T02:14:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wP/zjNl3y4/b4RBmi8dbuJZ9CgAlJRynQUsXlSj9gYqqTuV6ir4Fsq5AdsWsnRuuwehfdf1o3oGacQ6YDN9TCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:42:38.939577Z"},"content_sha256":"a30a6cf9416e21e42b193e1614e2ab476ed1271fac56409777bd1969ba7bcbff","schema_version":"1.0","event_id":"sha256:a30a6cf9416e21e42b193e1614e2ab476ed1271fac56409777bd1969ba7bcbff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:E6XMCB3Z52MVOYV45PDU2PASF3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Little-Parks Oscillations in Hybrid Ferromagnet-Superconductor Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"A.I. Buzdin, A.S. Mel'nikov, A.V. Samokhvalov, J-P. Ader","submitted_at":"2009-02-27T16:04:13Z","abstract_excerpt":"On the basis of of linearized Usadel equations we consider superconductivity nucleation in multiply connected mesoscopic superconductor/ferromagnet hybrids such as thin-walled superconducting cylinders placed in electrical contact with a ferromagnetic metal. We study the interplay between the oscillations of $T_c$ due to the Little--Parks effect and the oscillations due to the exchange field. We demonstrate that the exchange field provokes the switching between the superconducting states with different vorticities and this may result in the increase the critical temperature of the superconduct"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.4860","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":"2026-05-18T02:14:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KBf3+Y3ALyPrHAQn7avLxRXIbOGCvTtzsCigSJbR4OvtC8oWMIsTuyp/uHfr2FJnnZXB7dAokNbLPg8MZqv6Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T09:42:38.939955Z"},"content_sha256":"6bbe01bec4249cb9e513ff0cd063968b15d59c06bcf804fd29b943c84d9d2f24","schema_version":"1.0","event_id":"sha256:6bbe01bec4249cb9e513ff0cd063968b15d59c06bcf804fd29b943c84d9d2f24"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E6XMCB3Z52MVOYV45PDU2PASF3/bundle.json","state_url":"https://pith.science/pith/E6XMCB3Z52MVOYV45PDU2PASF3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E6XMCB3Z52MVOYV45PDU2PASF3/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":"2026-06-03T09:42:38Z","links":{"resolver":"https://pith.science/pith/E6XMCB3Z52MVOYV45PDU2PASF3","bundle":"https://pith.science/pith/E6XMCB3Z52MVOYV45PDU2PASF3/bundle.json","state":"https://pith.science/pith/E6XMCB3Z52MVOYV45PDU2PASF3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E6XMCB3Z52MVOYV45PDU2PASF3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:E6XMCB3Z52MVOYV45PDU2PASF3","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":"6821fe047588e18bc3a85340d5618c0d8dd0a4f7b25c72752d4ad39bfa266a53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-02-27T16:04:13Z","title_canon_sha256":"e6d4b05a4ef94e54f033ce0155f18e784132f114a96d307d4fd0c4dc7dfdc724"},"schema_version":"1.0","source":{"id":"0902.4860","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0902.4860","created_at":"2026-05-18T02:14:38Z"},{"alias_kind":"arxiv_version","alias_value":"0902.4860v1","created_at":"2026-05-18T02:14:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0902.4860","created_at":"2026-05-18T02:14:38Z"},{"alias_kind":"pith_short_12","alias_value":"E6XMCB3Z52MV","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"E6XMCB3Z52MVOYV4","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"E6XMCB3Z","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:6bbe01bec4249cb9e513ff0cd063968b15d59c06bcf804fd29b943c84d9d2f24","target":"graph","created_at":"2026-05-18T02:14:38Z","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":"On the basis of of linearized Usadel equations we consider superconductivity nucleation in multiply connected mesoscopic superconductor/ferromagnet hybrids such as thin-walled superconducting cylinders placed in electrical contact with a ferromagnetic metal. We study the interplay between the oscillations of $T_c$ due to the Little--Parks effect and the oscillations due to the exchange field. We demonstrate that the exchange field provokes the switching between the superconducting states with different vorticities and this may result in the increase the critical temperature of the superconduct","authors_text":"A.I. Buzdin, A.S. Mel'nikov, A.V. Samokhvalov, J-P. Ader","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-02-27T16:04:13Z","title":"Little-Parks Oscillations in Hybrid Ferromagnet-Superconductor Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0902.4860","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:a30a6cf9416e21e42b193e1614e2ab476ed1271fac56409777bd1969ba7bcbff","target":"record","created_at":"2026-05-18T02:14:38Z","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":"6821fe047588e18bc3a85340d5618c0d8dd0a4f7b25c72752d4ad39bfa266a53","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2009-02-27T16:04:13Z","title_canon_sha256":"e6d4b05a4ef94e54f033ce0155f18e784132f114a96d307d4fd0c4dc7dfdc724"},"schema_version":"1.0","source":{"id":"0902.4860","kind":"arxiv","version":1}},"canonical_sha256":"27aec10779ee995762bcebc74d3c122ef58d1c2bc49ecb05a88a8ee6405d9bc8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"27aec10779ee995762bcebc74d3c122ef58d1c2bc49ecb05a88a8ee6405d9bc8","first_computed_at":"2026-05-18T02:14:38.262509Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:38.262509Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1XrSvKv4zP2w8Viat9iytf7KfKfwvFZwBO5lD48n8aH1xtKhDPKp4MycciTm7l0RkH6KskI0KL9/xxMX8gduBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:38.263490Z","signed_message":"canonical_sha256_bytes"},"source_id":"0902.4860","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a30a6cf9416e21e42b193e1614e2ab476ed1271fac56409777bd1969ba7bcbff","sha256:6bbe01bec4249cb9e513ff0cd063968b15d59c06bcf804fd29b943c84d9d2f24"],"state_sha256":"5bb715dd108458185155bc1b70ad96379d4f1795fd1753c133af1d328184e820"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u2DwwKxlXpYBfeqA42Fp4ej23vUHWJQQB28gslFYrmg5WgpZqzs2r+2XEiF/bPEdEigTbz8oGjcsGarKbPQKDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T09:42:38.941813Z","bundle_sha256":"1efec6fe91995d3e020cc6cdbb37eaa892092500b35b7d471aa4316a9beaf98d"}}