{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4KL34DSPVT7A6YL7CHHNNLT27W","short_pith_number":"pith:4KL34DSP","canonical_record":{"source":{"id":"1308.3428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-15T15:04:05Z","cross_cats_sorted":[],"title_canon_sha256":"07e2839536690045c50235fb0ee04eac36bf61617d88ab9fbdd45c4dedc511d6","abstract_canon_sha256":"032a245482d3d3a36988b06f6bf7d7e9b54c4287861e9ac8d28169722cc08bcc"},"schema_version":"1.0"},"canonical_sha256":"e297be0e4facfe0f617f11ced6ae7afda4726cd08aee39082f9b7b1002f453fa","source":{"kind":"arxiv","id":"1308.3428","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.3428","created_at":"2026-05-18T03:15:54Z"},{"alias_kind":"arxiv_version","alias_value":"1308.3428v1","created_at":"2026-05-18T03:15:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.3428","created_at":"2026-05-18T03:15:54Z"},{"alias_kind":"pith_short_12","alias_value":"4KL34DSPVT7A","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4KL34DSPVT7A6YL7","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4KL34DSP","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4KL34DSPVT7A6YL7CHHNNLT27W","target":"record","payload":{"canonical_record":{"source":{"id":"1308.3428","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-15T15:04:05Z","cross_cats_sorted":[],"title_canon_sha256":"07e2839536690045c50235fb0ee04eac36bf61617d88ab9fbdd45c4dedc511d6","abstract_canon_sha256":"032a245482d3d3a36988b06f6bf7d7e9b54c4287861e9ac8d28169722cc08bcc"},"schema_version":"1.0"},"canonical_sha256":"e297be0e4facfe0f617f11ced6ae7afda4726cd08aee39082f9b7b1002f453fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:15:54.627749Z","signature_b64":"xtJbECCkW4qrVBq1pBN92vjjSpPnJzeXRaZpeEVotG27SRj1uP+Ql+muTHsRVCIPxsVtENCkbWRmXPm5QVjQCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e297be0e4facfe0f617f11ced6ae7afda4726cd08aee39082f9b7b1002f453fa","last_reissued_at":"2026-05-18T03:15:54.627015Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:15:54.627015Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.3428","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":"2026-05-18T03:15:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JFi1jCe1Luk87/B4wmGbS2OH2SyTZfT0okXHZNPKdOpRcXtAtVWQW363d6fcaUs+rAg2k4Pd9+k+nW4W9ae5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:14:19.433153Z"},"content_sha256":"a047f550a38b4571dfaec02d7b28c61b95ed9fa7effd9b212ca2051c12cb4f01","schema_version":"1.0","event_id":"sha256:a047f550a38b4571dfaec02d7b28c61b95ed9fa7effd9b212ca2051c12cb4f01"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4KL34DSPVT7A6YL7CHHNNLT27W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spintronics and Pseudospintronics in Graphene and Topological Insulators","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. H. MacDonald, D. A. Pesin","submitted_at":"2013-08-15T15:04:05Z","abstract_excerpt":"The two-dimensional electron systems in graphene and in topological insulators are described by massless Dirac equations. Although the two systems have similar Hamiltonians, they are polar opposites in terms of spin-orbit coupling strength. We briefly review the status of efforts to achieve long spin relaxation times in graphene with its weak spin-orbit coupling, and to achieve large current-induced spin polarizations in topological-insulator surface states that have strong spin-orbit coupling. We also comment on differences between the magnetic responses and dilute-moment coupling properties "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.3428","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":"2026-05-18T03:15:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+P5zM+jBL8Z68+u9Fo+kNz5NqCM6rg9LyIF6Hrgz7iiSoCXP9S7MzbDaTw+d2FKzYAEjo47rOErGm4yNtEXUBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T04:14:19.433816Z"},"content_sha256":"a9f9b29c23452ac539c93fce373f1dc277e942edddc0d424922dac7c8abccb0b","schema_version":"1.0","event_id":"sha256:a9f9b29c23452ac539c93fce373f1dc277e942edddc0d424922dac7c8abccb0b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4KL34DSPVT7A6YL7CHHNNLT27W/bundle.json","state_url":"https://pith.science/pith/4KL34DSPVT7A6YL7CHHNNLT27W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4KL34DSPVT7A6YL7CHHNNLT27W/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":"2026-05-25T04:14:19Z","links":{"resolver":"https://pith.science/pith/4KL34DSPVT7A6YL7CHHNNLT27W","bundle":"https://pith.science/pith/4KL34DSPVT7A6YL7CHHNNLT27W/bundle.json","state":"https://pith.science/pith/4KL34DSPVT7A6YL7CHHNNLT27W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4KL34DSPVT7A6YL7CHHNNLT27W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4KL34DSPVT7A6YL7CHHNNLT27W","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":"032a245482d3d3a36988b06f6bf7d7e9b54c4287861e9ac8d28169722cc08bcc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-15T15:04:05Z","title_canon_sha256":"07e2839536690045c50235fb0ee04eac36bf61617d88ab9fbdd45c4dedc511d6"},"schema_version":"1.0","source":{"id":"1308.3428","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.3428","created_at":"2026-05-18T03:15:54Z"},{"alias_kind":"arxiv_version","alias_value":"1308.3428v1","created_at":"2026-05-18T03:15:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.3428","created_at":"2026-05-18T03:15:54Z"},{"alias_kind":"pith_short_12","alias_value":"4KL34DSPVT7A","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4KL34DSPVT7A6YL7","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4KL34DSP","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:a9f9b29c23452ac539c93fce373f1dc277e942edddc0d424922dac7c8abccb0b","target":"graph","created_at":"2026-05-18T03:15:54Z","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":"The two-dimensional electron systems in graphene and in topological insulators are described by massless Dirac equations. Although the two systems have similar Hamiltonians, they are polar opposites in terms of spin-orbit coupling strength. We briefly review the status of efforts to achieve long spin relaxation times in graphene with its weak spin-orbit coupling, and to achieve large current-induced spin polarizations in topological-insulator surface states that have strong spin-orbit coupling. We also comment on differences between the magnetic responses and dilute-moment coupling properties ","authors_text":"A. H. MacDonald, D. A. Pesin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-15T15:04:05Z","title":"Spintronics and Pseudospintronics in Graphene and Topological Insulators"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.3428","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:a047f550a38b4571dfaec02d7b28c61b95ed9fa7effd9b212ca2051c12cb4f01","target":"record","created_at":"2026-05-18T03:15:54Z","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":"032a245482d3d3a36988b06f6bf7d7e9b54c4287861e9ac8d28169722cc08bcc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2013-08-15T15:04:05Z","title_canon_sha256":"07e2839536690045c50235fb0ee04eac36bf61617d88ab9fbdd45c4dedc511d6"},"schema_version":"1.0","source":{"id":"1308.3428","kind":"arxiv","version":1}},"canonical_sha256":"e297be0e4facfe0f617f11ced6ae7afda4726cd08aee39082f9b7b1002f453fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e297be0e4facfe0f617f11ced6ae7afda4726cd08aee39082f9b7b1002f453fa","first_computed_at":"2026-05-18T03:15:54.627015Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:54.627015Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xtJbECCkW4qrVBq1pBN92vjjSpPnJzeXRaZpeEVotG27SRj1uP+Ql+muTHsRVCIPxsVtENCkbWRmXPm5QVjQCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:54.627749Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.3428","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a047f550a38b4571dfaec02d7b28c61b95ed9fa7effd9b212ca2051c12cb4f01","sha256:a9f9b29c23452ac539c93fce373f1dc277e942edddc0d424922dac7c8abccb0b"],"state_sha256":"5ff073da4c774a52665a2d96d3a916ec04d36187fce5d5e40933195f28bdb2eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PZA8IM9QAytb3p3AxOr4J0wpsF4x4xc7p16sPqsNbA+2GpYyv+OrC5eX/9YOxbdr38Vn4Z3CBTKNEFZ330ytDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T04:14:19.437485Z","bundle_sha256":"d7fe1d93b12335fa2578b79a31542e828d8fc7a52777d2c2d46b825edda6f069"}}