{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BP6Y53WWFDXLCIMCDCU6WXGL5E","short_pith_number":"pith:BP6Y53WW","canonical_record":{"source":{"id":"1705.03149","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-09T02:38:26Z","cross_cats_sorted":[],"title_canon_sha256":"cfc7e3e3e889ccd6b42614a62d1dae125f66ea3ec8abab0eea895daf4ceb07cc","abstract_canon_sha256":"a81c2ee3690ee24c52009cf7cbaf8dea8476fbdf78488fdf947654e8941661ab"},"schema_version":"1.0"},"canonical_sha256":"0bfd8eeed628eeb1218218a9eb5ccbe9170881821c98795fc6485cc799835084","source":{"kind":"arxiv","id":"1705.03149","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03149","created_at":"2026-05-18T00:32:10Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03149v1","created_at":"2026-05-18T00:32:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03149","created_at":"2026-05-18T00:32:10Z"},{"alias_kind":"pith_short_12","alias_value":"BP6Y53WWFDXL","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BP6Y53WWFDXLCIMC","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BP6Y53WW","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BP6Y53WWFDXLCIMCDCU6WXGL5E","target":"record","payload":{"canonical_record":{"source":{"id":"1705.03149","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-09T02:38:26Z","cross_cats_sorted":[],"title_canon_sha256":"cfc7e3e3e889ccd6b42614a62d1dae125f66ea3ec8abab0eea895daf4ceb07cc","abstract_canon_sha256":"a81c2ee3690ee24c52009cf7cbaf8dea8476fbdf78488fdf947654e8941661ab"},"schema_version":"1.0"},"canonical_sha256":"0bfd8eeed628eeb1218218a9eb5ccbe9170881821c98795fc6485cc799835084","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:32:10.357405Z","signature_b64":"FnsrtBpSrSWoXpydMrkgB3dYW5PoszFMGzq9VXo6RMwmrDlXPPWrZ/x5XO3YqiESdCCyHAfeIMo9UH44Mxo3Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0bfd8eeed628eeb1218218a9eb5ccbe9170881821c98795fc6485cc799835084","last_reissued_at":"2026-05-18T00:32:10.356729Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:32:10.356729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.03149","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":"2026-05-18T00:32:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AO1A5p1POx3kGvoFPLCoB3DwBSX/fvoSD+f/853KNR63GAwYN+kOfBaWiFHdlRh4bXv0HWWlsXFNlZ5vbIiCDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:30:17.334452Z"},"content_sha256":"64001a843a39e1538f5025af1319bf224ca61c644b5e1585a9290deff822c687","schema_version":"1.0","event_id":"sha256:64001a843a39e1538f5025af1319bf224ca61c644b5e1585a9290deff822c687"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BP6Y53WWFDXLCIMCDCU6WXGL5E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Determination of spin relaxation times in heavy metals via 2nd harmonic spin injection magnetoresistance","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"A. Hoffmann, B. S. Tao, B. S. Yang, C. Fang, C. H. Wan, H. Wu, J. Y. Qin, X. F. Han, X. M. Liu, X. Zhang, Z. M. Jin","submitted_at":"2017-05-09T02:38:26Z","abstract_excerpt":"In tunnel junctions between ferromagnets and heavy elements with strong spin orbit coupling the magnetoresistance is often dominated by tunneling anisotropic magnetoresistance (TAMR). This makes conventional DC spin injection techniques impractical for determining the spin relaxation time ($\\tau_s$). Here, we show that this obstacle for measurements of $\\tau_s$ can be overcome by 2nd harmonic spin-injection-magnetoresistance (SIMR). In the 2nd harmonic signal the SIMR is comparable in magnitude to TAMR, thus enabling Hanle-induced SIMR as a powerful tool to directly determine $\\tau_s$. Using t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03149","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":"2026-05-18T00:32:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1DDpqCTdfPIkOXZmX0Y/zMj+YcgqSd3Dklh1lxzoBVQQMahIhFUdrehGZ9RfobQObWQDHNeTMLa8yjuVGjHUBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:30:17.334826Z"},"content_sha256":"918cf3237405c8b750aafb25bf313f734f69c75544c24e6a838c2c4cf3fabf64","schema_version":"1.0","event_id":"sha256:918cf3237405c8b750aafb25bf313f734f69c75544c24e6a838c2c4cf3fabf64"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BP6Y53WWFDXLCIMCDCU6WXGL5E/bundle.json","state_url":"https://pith.science/pith/BP6Y53WWFDXLCIMCDCU6WXGL5E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BP6Y53WWFDXLCIMCDCU6WXGL5E/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":"2026-05-30T16:30:17Z","links":{"resolver":"https://pith.science/pith/BP6Y53WWFDXLCIMCDCU6WXGL5E","bundle":"https://pith.science/pith/BP6Y53WWFDXLCIMCDCU6WXGL5E/bundle.json","state":"https://pith.science/pith/BP6Y53WWFDXLCIMCDCU6WXGL5E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BP6Y53WWFDXLCIMCDCU6WXGL5E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BP6Y53WWFDXLCIMCDCU6WXGL5E","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":"a81c2ee3690ee24c52009cf7cbaf8dea8476fbdf78488fdf947654e8941661ab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-09T02:38:26Z","title_canon_sha256":"cfc7e3e3e889ccd6b42614a62d1dae125f66ea3ec8abab0eea895daf4ceb07cc"},"schema_version":"1.0","source":{"id":"1705.03149","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.03149","created_at":"2026-05-18T00:32:10Z"},{"alias_kind":"arxiv_version","alias_value":"1705.03149v1","created_at":"2026-05-18T00:32:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.03149","created_at":"2026-05-18T00:32:10Z"},{"alias_kind":"pith_short_12","alias_value":"BP6Y53WWFDXL","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BP6Y53WWFDXLCIMC","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BP6Y53WW","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:918cf3237405c8b750aafb25bf313f734f69c75544c24e6a838c2c4cf3fabf64","target":"graph","created_at":"2026-05-18T00:32:10Z","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":"In tunnel junctions between ferromagnets and heavy elements with strong spin orbit coupling the magnetoresistance is often dominated by tunneling anisotropic magnetoresistance (TAMR). This makes conventional DC spin injection techniques impractical for determining the spin relaxation time ($\\tau_s$). Here, we show that this obstacle for measurements of $\\tau_s$ can be overcome by 2nd harmonic spin-injection-magnetoresistance (SIMR). In the 2nd harmonic signal the SIMR is comparable in magnitude to TAMR, thus enabling Hanle-induced SIMR as a powerful tool to directly determine $\\tau_s$. Using t","authors_text":"A. Hoffmann, B. S. Tao, B. S. Yang, C. Fang, C. H. Wan, H. Wu, J. Y. Qin, X. F. Han, X. M. Liu, X. Zhang, Z. M. Jin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-09T02:38:26Z","title":"Determination of spin relaxation times in heavy metals via 2nd harmonic spin injection magnetoresistance"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.03149","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":"sha256:64001a843a39e1538f5025af1319bf224ca61c644b5e1585a9290deff822c687","target":"record","created_at":"2026-05-18T00:32:10Z","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":"a81c2ee3690ee24c52009cf7cbaf8dea8476fbdf78488fdf947654e8941661ab","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2017-05-09T02:38:26Z","title_canon_sha256":"cfc7e3e3e889ccd6b42614a62d1dae125f66ea3ec8abab0eea895daf4ceb07cc"},"schema_version":"1.0","source":{"id":"1705.03149","kind":"arxiv","version":1}},"canonical_sha256":"0bfd8eeed628eeb1218218a9eb5ccbe9170881821c98795fc6485cc799835084","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0bfd8eeed628eeb1218218a9eb5ccbe9170881821c98795fc6485cc799835084","first_computed_at":"2026-05-18T00:32:10.356729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:32:10.356729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FnsrtBpSrSWoXpydMrkgB3dYW5PoszFMGzq9VXo6RMwmrDlXPPWrZ/x5XO3YqiESdCCyHAfeIMo9UH44Mxo3Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:32:10.357405Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.03149","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:64001a843a39e1538f5025af1319bf224ca61c644b5e1585a9290deff822c687","sha256:918cf3237405c8b750aafb25bf313f734f69c75544c24e6a838c2c4cf3fabf64"],"state_sha256":"91c754fbf1ddf0f25c9038f11a859b1d3cc4434cdf9800f321da654f0aaa0afe"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HVyi9rJOn51ba949hejZN1b9dHIIf+waAJHI3+UdwX7We2neIOSF53DNZeEsc54su/drdJGucBytdz+UXs6rDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:30:17.337066Z","bundle_sha256":"d439ff5910a47ebbd81cffecdd1a2907728ef2ba60419750c073fe3c7f3d2845"}}