{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:EVURA7OJUE3Y5O5L2IAU72BLOB","short_pith_number":"pith:EVURA7OJ","canonical_record":{"source":{"id":"1902.06451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-18T08:22:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"181487e2a59febee60d105d760a0730138f4717a2910c6ef224ce295772d91e6","abstract_canon_sha256":"72b079859f36a486ed332ce3f8ea44a235a69d46b38e26305be3175b22b5695c"},"schema_version":"1.0"},"canonical_sha256":"2569107dc9a1378ebbabd2014fe82b705b3d6099d0b2c5112f387db8c665073f","source":{"kind":"arxiv","id":"1902.06451","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06451","created_at":"2026-05-17T23:53:45Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06451v1","created_at":"2026-05-17T23:53:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06451","created_at":"2026-05-17T23:53:45Z"},{"alias_kind":"pith_short_12","alias_value":"EVURA7OJUE3Y","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"EVURA7OJUE3Y5O5L","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"EVURA7OJ","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:EVURA7OJUE3Y5O5L2IAU72BLOB","target":"record","payload":{"canonical_record":{"source":{"id":"1902.06451","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-18T08:22:36Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"181487e2a59febee60d105d760a0730138f4717a2910c6ef224ce295772d91e6","abstract_canon_sha256":"72b079859f36a486ed332ce3f8ea44a235a69d46b38e26305be3175b22b5695c"},"schema_version":"1.0"},"canonical_sha256":"2569107dc9a1378ebbabd2014fe82b705b3d6099d0b2c5112f387db8c665073f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:45.447016Z","signature_b64":"zjmDovWkDtK6SiVk2VwupzccvIliWO7BQltyzi5izyDBwiToYHNFtk7qCqiPQOqJUuMlcohl5YNcWn3siS+hBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2569107dc9a1378ebbabd2014fe82b705b3d6099d0b2c5112f387db8c665073f","last_reissued_at":"2026-05-17T23:53:45.446278Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:45.446278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.06451","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":"2026-05-17T23:53:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"52KGOBK8H3szNuEqEzVAUYAm/MThjhSq5yKpn37Qv1UpvvwXxtTgHdHL3NGDb2i8c9s94VCe4pj50BSaKyaWAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:49:21.056335Z"},"content_sha256":"6a92f2679382524902bc447539f1123b6cf02b4bc505461b3299038fb5afa59b","schema_version":"1.0","event_id":"sha256:6a92f2679382524902bc447539f1123b6cf02b4bc505461b3299038fb5afa59b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:EVURA7OJUE3Y5O5L2IAU72BLOB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurements of spin polarization of FeB and FeCoB nanomagnets by the Anomalous Hall effect","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Vadym Zayets","submitted_at":"2019-02-18T08:22:36Z","abstract_excerpt":"A new method to measure the spin polarization of a ferromagnetic nanomagnet is proposed and experimentally demonstrated. A high precision, repeatability and simplicity are the features of the proposed method. The dependency of the spin polarization on the gate voltage and the bias current were observed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06451","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":"2026-05-17T23:53:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9HO4PaLZO+BwrojQYBHxUq7agZjzg2eDQlgC8jzMmRBxMH2N4kJ40qKv1B5pIE9krN5J1G8J0vOYE9WFSexXDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:49:21.056694Z"},"content_sha256":"903447a1a57dfabd2ce2e51b1d0d5065c0becf0d97d23119fc2bfc3204b87c3d","schema_version":"1.0","event_id":"sha256:903447a1a57dfabd2ce2e51b1d0d5065c0becf0d97d23119fc2bfc3204b87c3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EVURA7OJUE3Y5O5L2IAU72BLOB/bundle.json","state_url":"https://pith.science/pith/EVURA7OJUE3Y5O5L2IAU72BLOB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EVURA7OJUE3Y5O5L2IAU72BLOB/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":"2026-06-02T02:49:21Z","links":{"resolver":"https://pith.science/pith/EVURA7OJUE3Y5O5L2IAU72BLOB","bundle":"https://pith.science/pith/EVURA7OJUE3Y5O5L2IAU72BLOB/bundle.json","state":"https://pith.science/pith/EVURA7OJUE3Y5O5L2IAU72BLOB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EVURA7OJUE3Y5O5L2IAU72BLOB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:EVURA7OJUE3Y5O5L2IAU72BLOB","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":"72b079859f36a486ed332ce3f8ea44a235a69d46b38e26305be3175b22b5695c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-18T08:22:36Z","title_canon_sha256":"181487e2a59febee60d105d760a0730138f4717a2910c6ef224ce295772d91e6"},"schema_version":"1.0","source":{"id":"1902.06451","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.06451","created_at":"2026-05-17T23:53:45Z"},{"alias_kind":"arxiv_version","alias_value":"1902.06451v1","created_at":"2026-05-17T23:53:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.06451","created_at":"2026-05-17T23:53:45Z"},{"alias_kind":"pith_short_12","alias_value":"EVURA7OJUE3Y","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"EVURA7OJUE3Y5O5L","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"EVURA7OJ","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:903447a1a57dfabd2ce2e51b1d0d5065c0becf0d97d23119fc2bfc3204b87c3d","target":"graph","created_at":"2026-05-17T23:53:45Z","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":"A new method to measure the spin polarization of a ferromagnetic nanomagnet is proposed and experimentally demonstrated. A high precision, repeatability and simplicity are the features of the proposed method. The dependency of the spin polarization on the gate voltage and the bias current were observed.","authors_text":"Vadym Zayets","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-18T08:22:36Z","title":"Measurements of spin polarization of FeB and FeCoB nanomagnets by the Anomalous Hall effect"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.06451","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":"sha256:6a92f2679382524902bc447539f1123b6cf02b4bc505461b3299038fb5afa59b","target":"record","created_at":"2026-05-17T23:53:45Z","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":"72b079859f36a486ed332ce3f8ea44a235a69d46b38e26305be3175b22b5695c","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-02-18T08:22:36Z","title_canon_sha256":"181487e2a59febee60d105d760a0730138f4717a2910c6ef224ce295772d91e6"},"schema_version":"1.0","source":{"id":"1902.06451","kind":"arxiv","version":1}},"canonical_sha256":"2569107dc9a1378ebbabd2014fe82b705b3d6099d0b2c5112f387db8c665073f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2569107dc9a1378ebbabd2014fe82b705b3d6099d0b2c5112f387db8c665073f","first_computed_at":"2026-05-17T23:53:45.446278Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:45.446278Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zjmDovWkDtK6SiVk2VwupzccvIliWO7BQltyzi5izyDBwiToYHNFtk7qCqiPQOqJUuMlcohl5YNcWn3siS+hBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:45.447016Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.06451","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a92f2679382524902bc447539f1123b6cf02b4bc505461b3299038fb5afa59b","sha256:903447a1a57dfabd2ce2e51b1d0d5065c0becf0d97d23119fc2bfc3204b87c3d"],"state_sha256":"200db931feef07d800dd2aa35b8a864460120550dfffbe5816de011e8639db6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FqEonlzkRMTZjaZkWDuIY5ZXnWJvxJLnaBZiQtEp7RshqayQ7M6pAFTzLOqGv20yk5pYucS7awIxgGVPBjCMDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T02:49:21.058701Z","bundle_sha256":"87f8bea271f48d1f3c4dbab49cb69a45048beb50eb932d52d5e3e3557abe304f"}}