{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:NG6EKFMNL4A7TH6IFHO34LGIMX","short_pith_number":"pith:NG6EKFMN","canonical_record":{"source":{"id":"2002.01983","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-05T20:40:07Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"30fcb26fc1f4c3471ccb910d828b635388765fb4991cddf75fec1384073bff6e","abstract_canon_sha256":"5cb684ef16644688d7f3e581ebad1589c9c2c239418947ce1b7d8caf71c71e60"},"schema_version":"1.0"},"canonical_sha256":"69bc45158d5f01f99fc829ddbe2cc865c29c832eb0e0673dc8b07edf42bf0e6e","source":{"kind":"arxiv","id":"2002.01983","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.01983","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"arxiv_version","alias_value":"2002.01983v1","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.01983","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"pith_short_12","alias_value":"NG6EKFMNL4A7","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"pith_short_16","alias_value":"NG6EKFMNL4A7TH6I","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"pith_short_8","alias_value":"NG6EKFMN","created_at":"2026-07-05T00:43:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:NG6EKFMNL4A7TH6IFHO34LGIMX","target":"record","payload":{"canonical_record":{"source":{"id":"2002.01983","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-05T20:40:07Z","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"title_canon_sha256":"30fcb26fc1f4c3471ccb910d828b635388765fb4991cddf75fec1384073bff6e","abstract_canon_sha256":"5cb684ef16644688d7f3e581ebad1589c9c2c239418947ce1b7d8caf71c71e60"},"schema_version":"1.0"},"canonical_sha256":"69bc45158d5f01f99fc829ddbe2cc865c29c832eb0e0673dc8b07edf42bf0e6e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:43:47.620842Z","signature_b64":"JarzWT4aP1vugOUYSRO73G/HVDzwqFAHCkzIJeNvKwh3VFZfZWK51Bk8MY6czRTuH1wYShn0XviiniM5FLWUAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"69bc45158d5f01f99fc829ddbe2cc865c29c832eb0e0673dc8b07edf42bf0e6e","last_reissued_at":"2026-07-05T00:43:47.620364Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:43:47.620364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.01983","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":"2026-07-05T00:43:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cOwFGkmeWGw29zi8R7ti6CAn3nyw48WZAp6dUwcwwf66i2bS8yZLMT+e+Lkah7Nudq4vbwed7P1Ufgi8ht1ECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:52:53.807501Z"},"content_sha256":"8792db33b2258fc9f483848af2149433c15d5e13d514c52a821525d4a7c9fc83","schema_version":"1.0","event_id":"sha256:8792db33b2258fc9f483848af2149433c15d5e13d514c52a821525d4a7c9fc83"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:NG6EKFMNL4A7TH6IFHO34LGIMX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Microscopic Origin of Spin-Orbit Torque in Ferromagnetic Heterostructures: A First Principles Approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"Farzad Mahfouzi, Hyunsoo Yang, Nicholas Kioussis, Po-Hao Chang, Rahul Mishra","submitted_at":"2020-02-05T20:40:07Z","abstract_excerpt":"We present an {\\it ab initio}-based theoretical framework which elucidates the origin of the spin-orbit torque (SOT) in Normal-Metal(NM)/Ferromagnet(FM) heterostructures. The SOT is decomposed into two contributions, namely, {\\it spin-Hall} and the {\\it spin-orbital} components. We find that {\\it (i)} the Field-Like (FL) SOT is dominated by the spin-orbital component and {\\it (ii)} both components contribute to the damping-like torque with comparable magnitude in the limit of thick Pt film. The contribution of the spin-orbital component to the DL-SOT is present only for NMs with strong SOC cou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.01983","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2002.01983/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:43:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q4l50ZSy8C5gHM+916YzZ5S3p2kVWsDZQv9JCaNvu+aeSnk+PqQQGfl6N0FVJ1+CoXvUfcT+1hbyipC5ppIZAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T22:52:53.807993Z"},"content_sha256":"fe748157c9dd9a0d3eea4436711190fde382d56d636f8a41222cb8f54122d61a","schema_version":"1.0","event_id":"sha256:fe748157c9dd9a0d3eea4436711190fde382d56d636f8a41222cb8f54122d61a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NG6EKFMNL4A7TH6IFHO34LGIMX/bundle.json","state_url":"https://pith.science/pith/NG6EKFMNL4A7TH6IFHO34LGIMX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NG6EKFMNL4A7TH6IFHO34LGIMX/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":"2026-08-03T22:52:53Z","links":{"resolver":"https://pith.science/pith/NG6EKFMNL4A7TH6IFHO34LGIMX","bundle":"https://pith.science/pith/NG6EKFMNL4A7TH6IFHO34LGIMX/bundle.json","state":"https://pith.science/pith/NG6EKFMNL4A7TH6IFHO34LGIMX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NG6EKFMNL4A7TH6IFHO34LGIMX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:NG6EKFMNL4A7TH6IFHO34LGIMX","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":"5cb684ef16644688d7f3e581ebad1589c9c2c239418947ce1b7d8caf71c71e60","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-05T20:40:07Z","title_canon_sha256":"30fcb26fc1f4c3471ccb910d828b635388765fb4991cddf75fec1384073bff6e"},"schema_version":"1.0","source":{"id":"2002.01983","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.01983","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"arxiv_version","alias_value":"2002.01983v1","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.01983","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"pith_short_12","alias_value":"NG6EKFMNL4A7","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"pith_short_16","alias_value":"NG6EKFMNL4A7TH6I","created_at":"2026-07-05T00:43:47Z"},{"alias_kind":"pith_short_8","alias_value":"NG6EKFMN","created_at":"2026-07-05T00:43:47Z"}],"graph_snapshots":[{"event_id":"sha256:fe748157c9dd9a0d3eea4436711190fde382d56d636f8a41222cb8f54122d61a","target":"graph","created_at":"2026-07-05T00:43:47Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2002.01983/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present an {\\it ab initio}-based theoretical framework which elucidates the origin of the spin-orbit torque (SOT) in Normal-Metal(NM)/Ferromagnet(FM) heterostructures. The SOT is decomposed into two contributions, namely, {\\it spin-Hall} and the {\\it spin-orbital} components. We find that {\\it (i)} the Field-Like (FL) SOT is dominated by the spin-orbital component and {\\it (ii)} both components contribute to the damping-like torque with comparable magnitude in the limit of thick Pt film. The contribution of the spin-orbital component to the DL-SOT is present only for NMs with strong SOC cou","authors_text":"Farzad Mahfouzi, Hyunsoo Yang, Nicholas Kioussis, Po-Hao Chang, Rahul Mishra","cross_cats":["cond-mat.mtrl-sci","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-05T20:40:07Z","title":"Microscopic Origin of Spin-Orbit Torque in Ferromagnetic Heterostructures: A First Principles Approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.01983","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":"sha256:8792db33b2258fc9f483848af2149433c15d5e13d514c52a821525d4a7c9fc83","target":"record","created_at":"2026-07-05T00:43:47Z","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":"5cb684ef16644688d7f3e581ebad1589c9c2c239418947ce1b7d8caf71c71e60","cross_cats_sorted":["cond-mat.mtrl-sci","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-05T20:40:07Z","title_canon_sha256":"30fcb26fc1f4c3471ccb910d828b635388765fb4991cddf75fec1384073bff6e"},"schema_version":"1.0","source":{"id":"2002.01983","kind":"arxiv","version":1}},"canonical_sha256":"69bc45158d5f01f99fc829ddbe2cc865c29c832eb0e0673dc8b07edf42bf0e6e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"69bc45158d5f01f99fc829ddbe2cc865c29c832eb0e0673dc8b07edf42bf0e6e","first_computed_at":"2026-07-05T00:43:47.620364Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:43:47.620364Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JarzWT4aP1vugOUYSRO73G/HVDzwqFAHCkzIJeNvKwh3VFZfZWK51Bk8MY6czRTuH1wYShn0XviiniM5FLWUAg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:43:47.620842Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.01983","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8792db33b2258fc9f483848af2149433c15d5e13d514c52a821525d4a7c9fc83","sha256:fe748157c9dd9a0d3eea4436711190fde382d56d636f8a41222cb8f54122d61a"],"state_sha256":"78ac747197351e05fd6dc72f230e78adb703ac988da42e0a8b9d3047e148918b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0N5iqkrRVBrceY9b2AKe7nqlXAc6OhPHxJaQyXR/nO41AAti6+R/1AltBNGvPJpjqshUsHcwj/pf5IyUoV7LBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T22:52:53.811306Z","bundle_sha256":"8f7d5feb59b5a2937169ef94265466de6966c2000b41091a311be8dc267bfd0e"}}