{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:HJKGVQ7DOQJGI5UUG6BG4YMFCI","short_pith_number":"pith:HJKGVQ7D","canonical_record":{"source":{"id":"1304.0669","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-02T15:39:19Z","cross_cats_sorted":[],"title_canon_sha256":"d5150d02523f8b6efa6088486590e37b784081fafeb3d88bfd98bce3236e1e68","abstract_canon_sha256":"c77d288b1bf0158823452ffd157dd34974a54e2216e69737472ab2bebd010b0a"},"schema_version":"1.0"},"canonical_sha256":"3a546ac3e3741264769437826e6185122b780397a1a20d7c644aab1d12a80230","source":{"kind":"arxiv","id":"1304.0669","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.0669","created_at":"2026-05-18T01:50:49Z"},{"alias_kind":"arxiv_version","alias_value":"1304.0669v1","created_at":"2026-05-18T01:50:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.0669","created_at":"2026-05-18T01:50:49Z"},{"alias_kind":"pith_short_12","alias_value":"HJKGVQ7DOQJG","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HJKGVQ7DOQJGI5UU","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HJKGVQ7D","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:HJKGVQ7DOQJGI5UUG6BG4YMFCI","target":"record","payload":{"canonical_record":{"source":{"id":"1304.0669","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-02T15:39:19Z","cross_cats_sorted":[],"title_canon_sha256":"d5150d02523f8b6efa6088486590e37b784081fafeb3d88bfd98bce3236e1e68","abstract_canon_sha256":"c77d288b1bf0158823452ffd157dd34974a54e2216e69737472ab2bebd010b0a"},"schema_version":"1.0"},"canonical_sha256":"3a546ac3e3741264769437826e6185122b780397a1a20d7c644aab1d12a80230","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:49.969724Z","signature_b64":"60loGVVqAiB9gxk8DYK8Ho/yy2PwnzkAWxKi4FS1VZNydH46pUydVIEGyg1ybpN2wsiHHZURxKrhlSgUKpqKCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a546ac3e3741264769437826e6185122b780397a1a20d7c644aab1d12a80230","last_reissued_at":"2026-05-18T01:50:49.969077Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:49.969077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.0669","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":"2026-05-18T01:50:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fCppzZsrMT3z4ujg8S0d/rsVXP8WZUBOzFafUf68PU4qIVQF41dAD22zHsGvc33ZQBSOdJWOVnlgIuqNnAfYAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:08.729165Z"},"content_sha256":"23345d50e1fa0e7ffd8bec4a8c52f977831e03dc5bc7fac7e55c0f7bb947de4e","schema_version":"1.0","event_id":"sha256:23345d50e1fa0e7ffd8bec4a8c52f977831e03dc5bc7fac7e55c0f7bb947de4e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:HJKGVQ7DOQJGI5UUG6BG4YMFCI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Nonlocal spin correlations mediated by a superconductor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Julia S. Meyer, Manuel Houzet, Taewan Noh, Venkat Chandrasekhar","submitted_at":"2013-04-02T15:39:19Z","abstract_excerpt":"Nonlocal charge correlations induced in two normal metals contacted separately to a supercon- ductor have been studied intensively in the past few years. Here we investigate nonlocal correlations induced by the transfer of pure spin currents through a superconductor on a scale comparable to the superconducting coherence length. As with charge currents, two processes contribute to the nonlocal spin signal: crossed Andreev reflection (CAR), where an electron with spin up injected from one normal metal into the superconductor results in a hole with spin down being injected into the second normal "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.0669","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":"2026-05-18T01:50:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X4cLfgUIaT6NinJVjHPTUGAdjNYPQjzCKEgiaH/BNCOjYvUwC0jlgytmeLfhgv1o3mWi9oZPYG4D/lbKuS6sBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:48:08.729878Z"},"content_sha256":"08febe1924b5b7238d5813fadf8ee7fb4ea4183d604465b7ae2af25a0af0e998","schema_version":"1.0","event_id":"sha256:08febe1924b5b7238d5813fadf8ee7fb4ea4183d604465b7ae2af25a0af0e998"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HJKGVQ7DOQJGI5UUG6BG4YMFCI/bundle.json","state_url":"https://pith.science/pith/HJKGVQ7DOQJGI5UUG6BG4YMFCI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HJKGVQ7DOQJGI5UUG6BG4YMFCI/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":"2026-05-28T20:48:08Z","links":{"resolver":"https://pith.science/pith/HJKGVQ7DOQJGI5UUG6BG4YMFCI","bundle":"https://pith.science/pith/HJKGVQ7DOQJGI5UUG6BG4YMFCI/bundle.json","state":"https://pith.science/pith/HJKGVQ7DOQJGI5UUG6BG4YMFCI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HJKGVQ7DOQJGI5UUG6BG4YMFCI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:HJKGVQ7DOQJGI5UUG6BG4YMFCI","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":"c77d288b1bf0158823452ffd157dd34974a54e2216e69737472ab2bebd010b0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-02T15:39:19Z","title_canon_sha256":"d5150d02523f8b6efa6088486590e37b784081fafeb3d88bfd98bce3236e1e68"},"schema_version":"1.0","source":{"id":"1304.0669","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.0669","created_at":"2026-05-18T01:50:49Z"},{"alias_kind":"arxiv_version","alias_value":"1304.0669v1","created_at":"2026-05-18T01:50:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.0669","created_at":"2026-05-18T01:50:49Z"},{"alias_kind":"pith_short_12","alias_value":"HJKGVQ7DOQJG","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"HJKGVQ7DOQJGI5UU","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"HJKGVQ7D","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:08febe1924b5b7238d5813fadf8ee7fb4ea4183d604465b7ae2af25a0af0e998","target":"graph","created_at":"2026-05-18T01:50:49Z","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":"Nonlocal charge correlations induced in two normal metals contacted separately to a supercon- ductor have been studied intensively in the past few years. Here we investigate nonlocal correlations induced by the transfer of pure spin currents through a superconductor on a scale comparable to the superconducting coherence length. As with charge currents, two processes contribute to the nonlocal spin signal: crossed Andreev reflection (CAR), where an electron with spin up injected from one normal metal into the superconductor results in a hole with spin down being injected into the second normal ","authors_text":"Julia S. Meyer, Manuel Houzet, Taewan Noh, Venkat Chandrasekhar","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-02T15:39:19Z","title":"Nonlocal spin correlations mediated by a superconductor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.0669","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":"sha256:23345d50e1fa0e7ffd8bec4a8c52f977831e03dc5bc7fac7e55c0f7bb947de4e","target":"record","created_at":"2026-05-18T01:50:49Z","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":"c77d288b1bf0158823452ffd157dd34974a54e2216e69737472ab2bebd010b0a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-04-02T15:39:19Z","title_canon_sha256":"d5150d02523f8b6efa6088486590e37b784081fafeb3d88bfd98bce3236e1e68"},"schema_version":"1.0","source":{"id":"1304.0669","kind":"arxiv","version":1}},"canonical_sha256":"3a546ac3e3741264769437826e6185122b780397a1a20d7c644aab1d12a80230","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3a546ac3e3741264769437826e6185122b780397a1a20d7c644aab1d12a80230","first_computed_at":"2026-05-18T01:50:49.969077Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:49.969077Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"60loGVVqAiB9gxk8DYK8Ho/yy2PwnzkAWxKi4FS1VZNydH46pUydVIEGyg1ybpN2wsiHHZURxKrhlSgUKpqKCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:49.969724Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.0669","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:23345d50e1fa0e7ffd8bec4a8c52f977831e03dc5bc7fac7e55c0f7bb947de4e","sha256:08febe1924b5b7238d5813fadf8ee7fb4ea4183d604465b7ae2af25a0af0e998"],"state_sha256":"4d922d37d44c881eda193505166f06c524fee83ec1a7e4ba18e8dfb99d45c524"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dYUwboJizDJQ4Z4AMzpK/mo5OqYL0SX/VNC2Z+adWweNvemKJLW+8oH26xAp/qI0kJkRrG73vtihLtGwAoVDDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:48:08.733823Z","bundle_sha256":"62b2aa5c13a965e4f0af8205800a9b3e500a80c47256ef5f18a6820caece880e"}}