{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:4U5D3K4VSXS7BIPRQVIEN3TDSM","short_pith_number":"pith:4U5D3K4V","canonical_record":{"source":{"id":"1108.0156","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-31T08:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"e268cab272d1caabafc0097bd1030c465bd1f65611cc6736428467c8f63ca463","abstract_canon_sha256":"73132b31b505aecfaa3620ce8dbbb0cfbfd0119a960033d6b1706706d446719f"},"schema_version":"1.0"},"canonical_sha256":"e53a3dab9595e5f0a1f1855046ee6393378f981a48064502e6c2e44a071f3916","source":{"kind":"arxiv","id":"1108.0156","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0156","created_at":"2026-05-18T04:15:35Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0156v2","created_at":"2026-05-18T04:15:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0156","created_at":"2026-05-18T04:15:35Z"},{"alias_kind":"pith_short_12","alias_value":"4U5D3K4VSXS7","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4U5D3K4VSXS7BIPR","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4U5D3K4V","created_at":"2026-05-18T12:26:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:4U5D3K4VSXS7BIPRQVIEN3TDSM","target":"record","payload":{"canonical_record":{"source":{"id":"1108.0156","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-31T08:09:53Z","cross_cats_sorted":[],"title_canon_sha256":"e268cab272d1caabafc0097bd1030c465bd1f65611cc6736428467c8f63ca463","abstract_canon_sha256":"73132b31b505aecfaa3620ce8dbbb0cfbfd0119a960033d6b1706706d446719f"},"schema_version":"1.0"},"canonical_sha256":"e53a3dab9595e5f0a1f1855046ee6393378f981a48064502e6c2e44a071f3916","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:15:35.813145Z","signature_b64":"3LqLC1D1rw+xsfmG0nMOstmrLZvFMAym4ems0LL0hAaDr+vrnxyb8ZlB/bA4V/WNjR7As/hL5kUl7/dumoY6AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e53a3dab9595e5f0a1f1855046ee6393378f981a48064502e6c2e44a071f3916","last_reissued_at":"2026-05-18T04:15:35.812740Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:15:35.812740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1108.0156","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:15:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ln+iTIfawm12U3wA3WL7b47n0SzDdfvlR53v3omoynsvGWU2FFCqouJbJJtGiIRvJWYtRFP5GdS7p6gWdOcLBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:39:56.419269Z"},"content_sha256":"9293aeb89929fa71fee304554cb68cb991cf47cb4e3a149e957d510b9c59879c","schema_version":"1.0","event_id":"sha256:9293aeb89929fa71fee304554cb68cb991cf47cb4e3a149e957d510b9c59879c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:4U5D3K4VSXS7BIPRQVIEN3TDSM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Room-temperature generation of giant pure spin currents using Co$_2$FeSi spin injectors","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"K. Hamaya, M. Miyao, N. Hashimoto, S. Yamada, T. Kimura","submitted_at":"2011-07-31T08:09:53Z","abstract_excerpt":"Generation, manipulation, and detection of a pure spin current, i.e., the flow of spin angular momentum without a charge current, are prospective approaches for realizing next-generation spintronic devices with ultra low electric power consumptions. Conventional ferromagnetic electrodes such as Co and NiFe have so far been utilized as a spin injector for generating the pure spin currents in nonmagnetic channels. However, the generation efficiency of the pure spin currents is extremely low at room temperature, giving rise to a serious obstacle for device applications. Here, we demonstrate the g"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0156","kind":"arxiv","version":2},"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":"2026-05-18T04:15:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q1uX86vUQwqA1sDx7jTp6QZ58CV9xjDAqMBkxJ1MAjWY4PmKyLk5FrrBzGQN5fyy9diUQGn8piHWN0h5o/gCDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T14:39:56.419629Z"},"content_sha256":"413b08791290a5638acc520338593ea5a5ee8b878986f20459f81f9aa7e7d809","schema_version":"1.0","event_id":"sha256:413b08791290a5638acc520338593ea5a5ee8b878986f20459f81f9aa7e7d809"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4U5D3K4VSXS7BIPRQVIEN3TDSM/bundle.json","state_url":"https://pith.science/pith/4U5D3K4VSXS7BIPRQVIEN3TDSM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4U5D3K4VSXS7BIPRQVIEN3TDSM/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":"2026-06-02T14:39:56Z","links":{"resolver":"https://pith.science/pith/4U5D3K4VSXS7BIPRQVIEN3TDSM","bundle":"https://pith.science/pith/4U5D3K4VSXS7BIPRQVIEN3TDSM/bundle.json","state":"https://pith.science/pith/4U5D3K4VSXS7BIPRQVIEN3TDSM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4U5D3K4VSXS7BIPRQVIEN3TDSM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:4U5D3K4VSXS7BIPRQVIEN3TDSM","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":"73132b31b505aecfaa3620ce8dbbb0cfbfd0119a960033d6b1706706d446719f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-31T08:09:53Z","title_canon_sha256":"e268cab272d1caabafc0097bd1030c465bd1f65611cc6736428467c8f63ca463"},"schema_version":"1.0","source":{"id":"1108.0156","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1108.0156","created_at":"2026-05-18T04:15:35Z"},{"alias_kind":"arxiv_version","alias_value":"1108.0156v2","created_at":"2026-05-18T04:15:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1108.0156","created_at":"2026-05-18T04:15:35Z"},{"alias_kind":"pith_short_12","alias_value":"4U5D3K4VSXS7","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_16","alias_value":"4U5D3K4VSXS7BIPR","created_at":"2026-05-18T12:26:20Z"},{"alias_kind":"pith_short_8","alias_value":"4U5D3K4V","created_at":"2026-05-18T12:26:20Z"}],"graph_snapshots":[{"event_id":"sha256:413b08791290a5638acc520338593ea5a5ee8b878986f20459f81f9aa7e7d809","target":"graph","created_at":"2026-05-18T04:15:35Z","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":"Generation, manipulation, and detection of a pure spin current, i.e., the flow of spin angular momentum without a charge current, are prospective approaches for realizing next-generation spintronic devices with ultra low electric power consumptions. Conventional ferromagnetic electrodes such as Co and NiFe have so far been utilized as a spin injector for generating the pure spin currents in nonmagnetic channels. However, the generation efficiency of the pure spin currents is extremely low at room temperature, giving rise to a serious obstacle for device applications. Here, we demonstrate the g","authors_text":"K. Hamaya, M. Miyao, N. Hashimoto, S. Yamada, T. Kimura","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-31T08:09:53Z","title":"Room-temperature generation of giant pure spin currents using Co$_2$FeSi spin injectors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1108.0156","kind":"arxiv","version":2},"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":"sha256:9293aeb89929fa71fee304554cb68cb991cf47cb4e3a149e957d510b9c59879c","target":"record","created_at":"2026-05-18T04:15:35Z","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":"73132b31b505aecfaa3620ce8dbbb0cfbfd0119a960033d6b1706706d446719f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-07-31T08:09:53Z","title_canon_sha256":"e268cab272d1caabafc0097bd1030c465bd1f65611cc6736428467c8f63ca463"},"schema_version":"1.0","source":{"id":"1108.0156","kind":"arxiv","version":2}},"canonical_sha256":"e53a3dab9595e5f0a1f1855046ee6393378f981a48064502e6c2e44a071f3916","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e53a3dab9595e5f0a1f1855046ee6393378f981a48064502e6c2e44a071f3916","first_computed_at":"2026-05-18T04:15:35.812740Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:15:35.812740Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3LqLC1D1rw+xsfmG0nMOstmrLZvFMAym4ems0LL0hAaDr+vrnxyb8ZlB/bA4V/WNjR7As/hL5kUl7/dumoY6AA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:15:35.813145Z","signed_message":"canonical_sha256_bytes"},"source_id":"1108.0156","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9293aeb89929fa71fee304554cb68cb991cf47cb4e3a149e957d510b9c59879c","sha256:413b08791290a5638acc520338593ea5a5ee8b878986f20459f81f9aa7e7d809"],"state_sha256":"74ebf39b59e1ad6054e2b3f277b23314918e0c8bba3faa3e1706838b8c39e799"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YMaj6rVGvqgIt7WSIoZPdPtiRTIqA/Dy0iUJRWc1J6rhcMBMtBW6ondUb/mwvROXEb/yXLWDED/+TNAxaCxgAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T14:39:56.421542Z","bundle_sha256":"43624eb9d43911a385358cedf2382881fe6a127a5877bfb20cbb1feeefe35f78"}}