{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:EMZXWV3LJ6UVDFPZTEM2MQ3I5C","short_pith_number":"pith:EMZXWV3L","canonical_record":{"source":{"id":"1908.07629","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-20T22:09:07Z","cross_cats_sorted":[],"title_canon_sha256":"006159eacf8220f7cc25c35ac0fb179e23d963ef2a416548abf9c6baf351c1ba","abstract_canon_sha256":"6c509da8042e8e26467acad7612544ebdfa7743ee14656509c24170e0538d6fd"},"schema_version":"1.0"},"canonical_sha256":"23337b576b4fa95195f99919a64368e8bb707193b715e4ee8fc0a027f3dabee2","source":{"kind":"arxiv","id":"1908.07629","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07629","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07629v2","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07629","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"EMZXWV3LJ6UV","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"pith_short_16","alias_value":"EMZXWV3LJ6UVDFPZ","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"pith_short_8","alias_value":"EMZXWV3L","created_at":"2026-07-05T01:16:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:EMZXWV3LJ6UVDFPZTEM2MQ3I5C","target":"record","payload":{"canonical_record":{"source":{"id":"1908.07629","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-20T22:09:07Z","cross_cats_sorted":[],"title_canon_sha256":"006159eacf8220f7cc25c35ac0fb179e23d963ef2a416548abf9c6baf351c1ba","abstract_canon_sha256":"6c509da8042e8e26467acad7612544ebdfa7743ee14656509c24170e0538d6fd"},"schema_version":"1.0"},"canonical_sha256":"23337b576b4fa95195f99919a64368e8bb707193b715e4ee8fc0a027f3dabee2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:16:40.082252Z","signature_b64":"tLJpHpwVNC2rwuupRweZ07k8K3l8SFJSeEhUcloUiMI4O69KoUzP8DO5IsQBCuv/xkPHnA2gMF7JZ8Hw41m6Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"23337b576b4fa95195f99919a64368e8bb707193b715e4ee8fc0a027f3dabee2","last_reissued_at":"2026-07-05T01:16:40.081821Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:16:40.081821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.07629","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":"2026-07-05T01:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zVLnBNFqCuTHoYUI4rmiZkU8lYOkPmy2CZm3RIoDHJDaMAyd2MQZmkfpdmSskJ3WPfJ4qmut7KmHafB1374cCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T07:38:45.981934Z"},"content_sha256":"69e287b5ab2e27d757ce4a8ddca6b8c275f8305e0d58db37e72b20d4b28630e7","schema_version":"1.0","event_id":"sha256:69e287b5ab2e27d757ce4a8ddca6b8c275f8305e0d58db37e72b20d4b28630e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:EMZXWV3LJ6UVDFPZTEM2MQ3I5C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin-polarized currents in corrugated graphene nanoribbons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Latg\\'e, Hern\\'an Santos, L. Brey, Leonor Chico","submitted_at":"2019-08-20T22:09:07Z","abstract_excerpt":"We investigate the production of spin-polarized currents in corrugated graphene nanoribbons. Such corrugations are modeled as multiple regions with Rashba spin-orbit interactions, where concave and convex curvatures are treated as Rashba regions with opposite signs. Numerical examples for different separated Rashba-zone geometries calculated within the tight-binding approximation are provided. Remarkably, the spin-polarized current in a system with several Rashba areas can be enhanced with respect to the case with a single Rashba part of the same total area. The enhancement is larger for confi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07629","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.07629/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":"2026-07-05T01:16:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RIJ5AWoO8Gu1gxUfD/MHKO9704I8JqnELpu/nJODaMOsrm5bvZxQLsre0DQNLsGSJTs3rA4ewS4MM9E7WsM9Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T07:38:45.982554Z"},"content_sha256":"80f481b38dc520e8a11b7b19bedbd027ec3852e04ca9c13f61779c4a1c3970a6","schema_version":"1.0","event_id":"sha256:80f481b38dc520e8a11b7b19bedbd027ec3852e04ca9c13f61779c4a1c3970a6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EMZXWV3LJ6UVDFPZTEM2MQ3I5C/bundle.json","state_url":"https://pith.science/pith/EMZXWV3LJ6UVDFPZTEM2MQ3I5C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EMZXWV3LJ6UVDFPZTEM2MQ3I5C/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":"2026-08-16T07:38:45Z","links":{"resolver":"https://pith.science/pith/EMZXWV3LJ6UVDFPZTEM2MQ3I5C","bundle":"https://pith.science/pith/EMZXWV3LJ6UVDFPZTEM2MQ3I5C/bundle.json","state":"https://pith.science/pith/EMZXWV3LJ6UVDFPZTEM2MQ3I5C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EMZXWV3LJ6UVDFPZTEM2MQ3I5C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:EMZXWV3LJ6UVDFPZTEM2MQ3I5C","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":"6c509da8042e8e26467acad7612544ebdfa7743ee14656509c24170e0538d6fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-20T22:09:07Z","title_canon_sha256":"006159eacf8220f7cc25c35ac0fb179e23d963ef2a416548abf9c6baf351c1ba"},"schema_version":"1.0","source":{"id":"1908.07629","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.07629","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"arxiv_version","alias_value":"1908.07629v2","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.07629","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"pith_short_12","alias_value":"EMZXWV3LJ6UV","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"pith_short_16","alias_value":"EMZXWV3LJ6UVDFPZ","created_at":"2026-07-05T01:16:40Z"},{"alias_kind":"pith_short_8","alias_value":"EMZXWV3L","created_at":"2026-07-05T01:16:40Z"}],"graph_snapshots":[{"event_id":"sha256:80f481b38dc520e8a11b7b19bedbd027ec3852e04ca9c13f61779c4a1c3970a6","target":"graph","created_at":"2026-07-05T01:16:40Z","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/1908.07629/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We investigate the production of spin-polarized currents in corrugated graphene nanoribbons. Such corrugations are modeled as multiple regions with Rashba spin-orbit interactions, where concave and convex curvatures are treated as Rashba regions with opposite signs. Numerical examples for different separated Rashba-zone geometries calculated within the tight-binding approximation are provided. Remarkably, the spin-polarized current in a system with several Rashba areas can be enhanced with respect to the case with a single Rashba part of the same total area. The enhancement is larger for confi","authors_text":"A. Latg\\'e, Hern\\'an Santos, L. Brey, Leonor Chico","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-20T22:09:07Z","title":"Spin-polarized currents in corrugated graphene nanoribbons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.07629","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":"sha256:69e287b5ab2e27d757ce4a8ddca6b8c275f8305e0d58db37e72b20d4b28630e7","target":"record","created_at":"2026-07-05T01:16:40Z","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":"6c509da8042e8e26467acad7612544ebdfa7743ee14656509c24170e0538d6fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-08-20T22:09:07Z","title_canon_sha256":"006159eacf8220f7cc25c35ac0fb179e23d963ef2a416548abf9c6baf351c1ba"},"schema_version":"1.0","source":{"id":"1908.07629","kind":"arxiv","version":2}},"canonical_sha256":"23337b576b4fa95195f99919a64368e8bb707193b715e4ee8fc0a027f3dabee2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"23337b576b4fa95195f99919a64368e8bb707193b715e4ee8fc0a027f3dabee2","first_computed_at":"2026-07-05T01:16:40.081821Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:16:40.081821Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"tLJpHpwVNC2rwuupRweZ07k8K3l8SFJSeEhUcloUiMI4O69KoUzP8DO5IsQBCuv/xkPHnA2gMF7JZ8Hw41m6Bg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:16:40.082252Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.07629","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69e287b5ab2e27d757ce4a8ddca6b8c275f8305e0d58db37e72b20d4b28630e7","sha256:80f481b38dc520e8a11b7b19bedbd027ec3852e04ca9c13f61779c4a1c3970a6"],"state_sha256":"55cf8bad54805d3acba54514dfffe1c3ab29a51969065893e7082ea9794adb5a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3nHpDPPiPuJC3UX54ltKrBfJCjtvU/t9KT4nMjNJtj3wQi8f9k7+NBN/FxguWXi96c3KJanRB79vzQ+LKq2HBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T07:38:45.987867Z","bundle_sha256":"9a686f66e56c82258f023729d232668c5472d5c6737d33a738632e572be38ef8"}}