{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:P5QRCCBZ4HI7G6N3O2J7TQGJT4","short_pith_number":"pith:P5QRCCBZ","canonical_record":{"source":{"id":"1512.00199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-01T10:03:11Z","cross_cats_sorted":[],"title_canon_sha256":"30b0c95fbd928d57c8c5230ebe5a4d47e9926d5e06789e69e0035ecb0c5b7454","abstract_canon_sha256":"b12b42a7d6d9ced803bbf7bbfbed0af6f1cbbfe33db3a0876743b8b045223eea"},"schema_version":"1.0"},"canonical_sha256":"7f61110839e1d1f379bb7693f9c0c99f119947da4ce903fa26d5f4176b19703d","source":{"kind":"arxiv","id":"1512.00199","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.00199","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"1512.00199v1","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00199","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"P5QRCCBZ4HI7","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"P5QRCCBZ4HI7G6N3","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"P5QRCCBZ","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:P5QRCCBZ4HI7G6N3O2J7TQGJT4","target":"record","payload":{"canonical_record":{"source":{"id":"1512.00199","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-01T10:03:11Z","cross_cats_sorted":[],"title_canon_sha256":"30b0c95fbd928d57c8c5230ebe5a4d47e9926d5e06789e69e0035ecb0c5b7454","abstract_canon_sha256":"b12b42a7d6d9ced803bbf7bbfbed0af6f1cbbfe33db3a0876743b8b045223eea"},"schema_version":"1.0"},"canonical_sha256":"7f61110839e1d1f379bb7693f9c0c99f119947da4ce903fa26d5f4176b19703d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:44.101924Z","signature_b64":"L/ugIFA9cUHCzVKtdkIX97ftsQhqBKnD28IqVCsw54lPGL1vYTOp4ahPonXb853SV094h8xGDI7ramS5z58iCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f61110839e1d1f379bb7693f9c0c99f119947da4ce903fa26d5f4176b19703d","last_reissued_at":"2026-05-18T01:23:44.101117Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:44.101117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.00199","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":"2026-05-18T01:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fFHXzVDaPwRlfRwhBIkfq5RcFIO1UixjhBpP1rQ8IbKbjJLW2iZR0mY1VQBmIxr2qHWwy/VUyX2imQbXS+3qBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T10:29:20.931553Z"},"content_sha256":"e375044c3907bed26c3ce4dc0d749e715be59242a4cb48fc8a0e98872d426a10","schema_version":"1.0","event_id":"sha256:e375044c3907bed26c3ce4dc0d749e715be59242a4cb48fc8a0e98872d426a10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:P5QRCCBZ4HI7G6N3O2J7TQGJT4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Magnetization reversal of an individual exchange biased permalloy nanotube","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Buchter, A. B. Zorin, A. Fontcuberta i Morral, A. Kleibert, D. Grundler, D. Koelle, D. R\\\"uffer, F. Heimbach, F. Matteini, G. T\\\"ut\\\"unc\\\"uoglu, J. Kohlmann, M. Poggio, M. Wyss, O. F. Kieler, R. Kleiner, R. W\\\"olbing, T. Weimann","submitted_at":"2015-12-01T10:03:11Z","abstract_excerpt":"We investigate the magnetization reversal mechanism in an individual permalloy (Py) nanotube (NT) using a hybrid magnetometer consisting of a nanometer-scale SQUID (nanoSQUID) and a cantilever torque sensor. The Py NT is affixed to the tip of a Si cantilever and positioned in order to optimally couple its stray flux into a Nb nanoSQUID. We are thus able to measure both the NT's volume magnetization by dynamic cantilever magnetometry and its stray flux using the nanoSQUID. We observe a training effect and temperature dependence in the magnetic hysteresis, suggesting an exchange bias. We find a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00199","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":"2026-05-18T01:23:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ivlPfvTS/keeA8jy06Ywfr0lcRRaYm0nLq2Xyi1jYAq1mqsg4tK0OW1L9PfDV8UOPbogT+e0Chtcnqd1wgnjDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T10:29:20.932285Z"},"content_sha256":"dedee45b0a3efb7af07f742b6a5a7d20e1a04e0686a33e52386af0dfb15212e9","schema_version":"1.0","event_id":"sha256:dedee45b0a3efb7af07f742b6a5a7d20e1a04e0686a33e52386af0dfb15212e9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P5QRCCBZ4HI7G6N3O2J7TQGJT4/bundle.json","state_url":"https://pith.science/pith/P5QRCCBZ4HI7G6N3O2J7TQGJT4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P5QRCCBZ4HI7G6N3O2J7TQGJT4/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":"2026-05-23T10:29:20Z","links":{"resolver":"https://pith.science/pith/P5QRCCBZ4HI7G6N3O2J7TQGJT4","bundle":"https://pith.science/pith/P5QRCCBZ4HI7G6N3O2J7TQGJT4/bundle.json","state":"https://pith.science/pith/P5QRCCBZ4HI7G6N3O2J7TQGJT4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P5QRCCBZ4HI7G6N3O2J7TQGJT4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:P5QRCCBZ4HI7G6N3O2J7TQGJT4","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":"b12b42a7d6d9ced803bbf7bbfbed0af6f1cbbfe33db3a0876743b8b045223eea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-01T10:03:11Z","title_canon_sha256":"30b0c95fbd928d57c8c5230ebe5a4d47e9926d5e06789e69e0035ecb0c5b7454"},"schema_version":"1.0","source":{"id":"1512.00199","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.00199","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"arxiv_version","alias_value":"1512.00199v1","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.00199","created_at":"2026-05-18T01:23:44Z"},{"alias_kind":"pith_short_12","alias_value":"P5QRCCBZ4HI7","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"P5QRCCBZ4HI7G6N3","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"P5QRCCBZ","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:dedee45b0a3efb7af07f742b6a5a7d20e1a04e0686a33e52386af0dfb15212e9","target":"graph","created_at":"2026-05-18T01:23:44Z","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 investigate the magnetization reversal mechanism in an individual permalloy (Py) nanotube (NT) using a hybrid magnetometer consisting of a nanometer-scale SQUID (nanoSQUID) and a cantilever torque sensor. The Py NT is affixed to the tip of a Si cantilever and positioned in order to optimally couple its stray flux into a Nb nanoSQUID. We are thus able to measure both the NT's volume magnetization by dynamic cantilever magnetometry and its stray flux using the nanoSQUID. We observe a training effect and temperature dependence in the magnetic hysteresis, suggesting an exchange bias. We find a ","authors_text":"A. Buchter, A. B. Zorin, A. Fontcuberta i Morral, A. Kleibert, D. Grundler, D. Koelle, D. R\\\"uffer, F. Heimbach, F. Matteini, G. T\\\"ut\\\"unc\\\"uoglu, J. Kohlmann, M. Poggio, M. Wyss, O. F. Kieler, R. Kleiner, R. W\\\"olbing, T. Weimann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-01T10:03:11Z","title":"Magnetization reversal of an individual exchange biased permalloy nanotube"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.00199","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:e375044c3907bed26c3ce4dc0d749e715be59242a4cb48fc8a0e98872d426a10","target":"record","created_at":"2026-05-18T01:23:44Z","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":"b12b42a7d6d9ced803bbf7bbfbed0af6f1cbbfe33db3a0876743b8b045223eea","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2015-12-01T10:03:11Z","title_canon_sha256":"30b0c95fbd928d57c8c5230ebe5a4d47e9926d5e06789e69e0035ecb0c5b7454"},"schema_version":"1.0","source":{"id":"1512.00199","kind":"arxiv","version":1}},"canonical_sha256":"7f61110839e1d1f379bb7693f9c0c99f119947da4ce903fa26d5f4176b19703d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f61110839e1d1f379bb7693f9c0c99f119947da4ce903fa26d5f4176b19703d","first_computed_at":"2026-05-18T01:23:44.101117Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:44.101117Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"L/ugIFA9cUHCzVKtdkIX97ftsQhqBKnD28IqVCsw54lPGL1vYTOp4ahPonXb853SV094h8xGDI7ramS5z58iCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:44.101924Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.00199","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e375044c3907bed26c3ce4dc0d749e715be59242a4cb48fc8a0e98872d426a10","sha256:dedee45b0a3efb7af07f742b6a5a7d20e1a04e0686a33e52386af0dfb15212e9"],"state_sha256":"568a5fd7ffadfe2bb5263ef155523429da08f31a7868716649a90b153b6af7c8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"83Q++n0cLp8ZscHhAJ87+I+F981C5DQhE+besetMcQy+WGdeC0+FiKBo7Vdjqw1M8XDXuBrHjBnsytloZMyQAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T10:29:20.939494Z","bundle_sha256":"f92c92cfade4652998c36ee24b7edbaa3fd89dc891b907f4d3ff384fec3fb9b9"}}