{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DEB54W5W6Z6OLAENCDGNXJFDYY","short_pith_number":"pith:DEB54W5W","canonical_record":{"source":{"id":"1804.01612","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-04-04T21:47:30Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"71cb4264a433920fac35f0e7afadbc324154e15d51253cb6afc4884c4f45fe44","abstract_canon_sha256":"1a1dfcb62af5bff7fe4b6bab50ace825fc2c03e3eba2ef9a7f8532ed5cf52d0e"},"schema_version":"1.0"},"canonical_sha256":"1903de5bb6f67ce5808d10ccdba4a3c62a0b191eb315a73077f9f62f48c5517e","source":{"kind":"arxiv","id":"1804.01612","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01612","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01612v1","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01612","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"DEB54W5W6Z6O","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DEB54W5W6Z6OLAEN","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DEB54W5W","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DEB54W5W6Z6OLAENCDGNXJFDYY","target":"record","payload":{"canonical_record":{"source":{"id":"1804.01612","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-04-04T21:47:30Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"71cb4264a433920fac35f0e7afadbc324154e15d51253cb6afc4884c4f45fe44","abstract_canon_sha256":"1a1dfcb62af5bff7fe4b6bab50ace825fc2c03e3eba2ef9a7f8532ed5cf52d0e"},"schema_version":"1.0"},"canonical_sha256":"1903de5bb6f67ce5808d10ccdba4a3c62a0b191eb315a73077f9f62f48c5517e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:06:04.579850Z","signature_b64":"bwzirZ0D+W4Qn5aduivtPQm2Cgw388FrOHuvRvGJyYQKeEgYtxIdSnxquBF11QiEDVxjDzGT/Udo5dL5XEEIDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1903de5bb6f67ce5808d10ccdba4a3c62a0b191eb315a73077f9f62f48c5517e","last_reissued_at":"2026-05-18T00:06:04.579466Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:06:04.579466Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.01612","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":"2026-05-18T00:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MaL1G+4kpdkSOL1XET+JBfa+YFfzHP+rNLqUVuIJCHarQ/XJxbaeDJvAm7pTnD5Nm8SqXa4mmVKxOvNGBQtNBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:29:09.066519Z"},"content_sha256":"129f0b4a554a73beae037fdc139814086d2ebe58b793878e59c7bef02e466585","schema_version":"1.0","event_id":"sha256:129f0b4a554a73beae037fdc139814086d2ebe58b793878e59c7bef02e466585"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DEB54W5W6Z6OLAENCDGNXJFDYY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Independence of spin-orbit torques from the exchange bias direction in Ni$_{81}$Fe$_{19}$/IrMn bilayers","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Axel Hoffmann, Hilal Saglam, J. Carlos Rojas-Sanchez, John E. Pearson, Michel Hehn, Sebastien Petit, Stephane Mangin, Wei Zhang","submitted_at":"2018-04-04T21:47:30Z","abstract_excerpt":"We investigated a possible correlation between spin Hall angles and exchange bias in Ni$_{81}$Fe$_{19}$/IrMn samples by performing spin torque ferromagnetic resonance measurements. This correlation is probed by patterning of Ni$_{81}$Fe$_{19}$/IrMn bilayers in different relative orientations with respect to the exchange bias direction. The measured voltage spectra allow a quantitative determination of spin Hall angles, which are independent of the orientation around 2.8\\pm0.3%."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01612","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":"2026-05-18T00:06:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VKqe+xTvKuvEl2wzy6yYle6HA+6NJ5iZ9bO+g7zy7LnP4VnYSZuHMudFkIY7JM60Vv6RtipGYlaytQANHYxECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T00:29:09.067156Z"},"content_sha256":"e0b4459a508e053933c3f9c0f8402d212e3d92971764d28688ae80a6a169f4b6","schema_version":"1.0","event_id":"sha256:e0b4459a508e053933c3f9c0f8402d212e3d92971764d28688ae80a6a169f4b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DEB54W5W6Z6OLAENCDGNXJFDYY/bundle.json","state_url":"https://pith.science/pith/DEB54W5W6Z6OLAENCDGNXJFDYY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DEB54W5W6Z6OLAENCDGNXJFDYY/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":"2026-05-27T00:29:09Z","links":{"resolver":"https://pith.science/pith/DEB54W5W6Z6OLAENCDGNXJFDYY","bundle":"https://pith.science/pith/DEB54W5W6Z6OLAENCDGNXJFDYY/bundle.json","state":"https://pith.science/pith/DEB54W5W6Z6OLAENCDGNXJFDYY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DEB54W5W6Z6OLAENCDGNXJFDYY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DEB54W5W6Z6OLAENCDGNXJFDYY","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":"1a1dfcb62af5bff7fe4b6bab50ace825fc2c03e3eba2ef9a7f8532ed5cf52d0e","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-04-04T21:47:30Z","title_canon_sha256":"71cb4264a433920fac35f0e7afadbc324154e15d51253cb6afc4884c4f45fe44"},"schema_version":"1.0","source":{"id":"1804.01612","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.01612","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"arxiv_version","alias_value":"1804.01612v1","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.01612","created_at":"2026-05-18T00:06:04Z"},{"alias_kind":"pith_short_12","alias_value":"DEB54W5W6Z6O","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DEB54W5W6Z6OLAEN","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DEB54W5W","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:e0b4459a508e053933c3f9c0f8402d212e3d92971764d28688ae80a6a169f4b6","target":"graph","created_at":"2026-05-18T00:06:04Z","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 investigated a possible correlation between spin Hall angles and exchange bias in Ni$_{81}$Fe$_{19}$/IrMn samples by performing spin torque ferromagnetic resonance measurements. This correlation is probed by patterning of Ni$_{81}$Fe$_{19}$/IrMn bilayers in different relative orientations with respect to the exchange bias direction. The measured voltage spectra allow a quantitative determination of spin Hall angles, which are independent of the orientation around 2.8\\pm0.3%.","authors_text":"Axel Hoffmann, Hilal Saglam, J. Carlos Rojas-Sanchez, John E. Pearson, Michel Hehn, Sebastien Petit, Stephane Mangin, Wei Zhang","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-04-04T21:47:30Z","title":"Independence of spin-orbit torques from the exchange bias direction in Ni$_{81}$Fe$_{19}$/IrMn bilayers"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.01612","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":"sha256:129f0b4a554a73beae037fdc139814086d2ebe58b793878e59c7bef02e466585","target":"record","created_at":"2026-05-18T00:06:04Z","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":"1a1dfcb62af5bff7fe4b6bab50ace825fc2c03e3eba2ef9a7f8532ed5cf52d0e","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-04-04T21:47:30Z","title_canon_sha256":"71cb4264a433920fac35f0e7afadbc324154e15d51253cb6afc4884c4f45fe44"},"schema_version":"1.0","source":{"id":"1804.01612","kind":"arxiv","version":1}},"canonical_sha256":"1903de5bb6f67ce5808d10ccdba4a3c62a0b191eb315a73077f9f62f48c5517e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1903de5bb6f67ce5808d10ccdba4a3c62a0b191eb315a73077f9f62f48c5517e","first_computed_at":"2026-05-18T00:06:04.579466Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:06:04.579466Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bwzirZ0D+W4Qn5aduivtPQm2Cgw388FrOHuvRvGJyYQKeEgYtxIdSnxquBF11QiEDVxjDzGT/Udo5dL5XEEIDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:06:04.579850Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.01612","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:129f0b4a554a73beae037fdc139814086d2ebe58b793878e59c7bef02e466585","sha256:e0b4459a508e053933c3f9c0f8402d212e3d92971764d28688ae80a6a169f4b6"],"state_sha256":"ae0b5db73c5e0ed6b526fc6308e1d6174c372560eaa2917aaeec37535837807f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4tNTOxB552Ib3Qh7PDH186sEuRLSu0px8Uo+D5/RmOLLgtzFRoG1MKjhG0oNMhYKuhDs176LNYCtjNRQtFo5BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T00:29:09.070965Z","bundle_sha256":"5bc2258f0d8398eb458cabb6083ea3f7e863e700c73ab3888187d632caa69fd4"}}