{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:XJBOMZS345CLRG6TI4MOC3QEW3","short_pith_number":"pith:XJBOMZS3","canonical_record":{"source":{"id":"1906.07513","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-18T12:00:19Z","cross_cats_sorted":[],"title_canon_sha256":"7f0a42d2138b01a741e0df7d6481c04f1f9ddfa9d23b3f274d5dcbf61accb872","abstract_canon_sha256":"4758e006f496529410273f25f5e8da31379e572d75f77062a2ba3ad84b22e13f"},"schema_version":"1.0"},"canonical_sha256":"ba42e6665be744b89bd34718e16e04b6ce2267bc5ab49821cc7ecf7992e22686","source":{"kind":"arxiv","id":"1906.07513","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.07513","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"arxiv_version","alias_value":"1906.07513v1","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.07513","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"pith_short_12","alias_value":"XJBOMZS345CL","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XJBOMZS345CLRG6T","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XJBOMZS3","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:XJBOMZS345CLRG6TI4MOC3QEW3","target":"record","payload":{"canonical_record":{"source":{"id":"1906.07513","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-18T12:00:19Z","cross_cats_sorted":[],"title_canon_sha256":"7f0a42d2138b01a741e0df7d6481c04f1f9ddfa9d23b3f274d5dcbf61accb872","abstract_canon_sha256":"4758e006f496529410273f25f5e8da31379e572d75f77062a2ba3ad84b22e13f"},"schema_version":"1.0"},"canonical_sha256":"ba42e6665be744b89bd34718e16e04b6ce2267bc5ab49821cc7ecf7992e22686","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:43:07.682434Z","signature_b64":"Nx+e92Ko6CKZ1n+C6xz2aKoaXMFltPlfzD5gKatlRfxGAa264iwW5yxcViJoic7ja1oZZSIU2gwTuRFEU3TECQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba42e6665be744b89bd34718e16e04b6ce2267bc5ab49821cc7ecf7992e22686","last_reissued_at":"2026-05-17T23:43:07.681832Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:43:07.681832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.07513","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":"2026-05-17T23:43:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xdwa+ubD1HoOKwgz17V644xGqFH2GM6U1Dlzptdk1C6TmxPOBv0+3biaBK5FsRGohQiB41Y8JPWdOr0g8WAtDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:35:36.950572Z"},"content_sha256":"6dfc7a1f8735c26e03989aae340c9116fa69bc25f9afe343150dd0d31bb2f14c","schema_version":"1.0","event_id":"sha256:6dfc7a1f8735c26e03989aae340c9116fa69bc25f9afe343150dd0d31bb2f14c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:XJBOMZS345CLRG6TI4MOC3QEW3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin-layer Locked Gapless States in Gated Bilayer Graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. Ayuela, W. Jask\\'olski","submitted_at":"2019-06-18T12:00:19Z","abstract_excerpt":"Gated bilayer graphene exhibits spin-degenerate gapless states with a topological character localized at stacking domain walls. These states allow for one-dimensional currents along the domain walls. We herein demonstrate that these topologically protected currents are spin -polarized and locked in a single layer when bilayer graphene contains stacking domain walls decorated with magnetic defects. The magnetic defects, which we model as {\\pi}-vacancies, perturb the topological states but also lift their spin degeneracy. One gapless state survives the perturbation of these defects, and its spin"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.07513","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":"2026-05-17T23:43:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UNbwKqJmAPJr9sjPktVGmb8N8gXKhTDbo3+SW51Z1j3LuUyCmct+EBuSzhZdcA1JU6XbIzdMx4lDT8mhkSYQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T23:35:36.951332Z"},"content_sha256":"aa488e330b69382c5a719deb823aaba8000c73b51464049f6bc6459c89f01b67","schema_version":"1.0","event_id":"sha256:aa488e330b69382c5a719deb823aaba8000c73b51464049f6bc6459c89f01b67"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XJBOMZS345CLRG6TI4MOC3QEW3/bundle.json","state_url":"https://pith.science/pith/XJBOMZS345CLRG6TI4MOC3QEW3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XJBOMZS345CLRG6TI4MOC3QEW3/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":"2026-05-30T23:35:36Z","links":{"resolver":"https://pith.science/pith/XJBOMZS345CLRG6TI4MOC3QEW3","bundle":"https://pith.science/pith/XJBOMZS345CLRG6TI4MOC3QEW3/bundle.json","state":"https://pith.science/pith/XJBOMZS345CLRG6TI4MOC3QEW3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XJBOMZS345CLRG6TI4MOC3QEW3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:XJBOMZS345CLRG6TI4MOC3QEW3","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":"4758e006f496529410273f25f5e8da31379e572d75f77062a2ba3ad84b22e13f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-18T12:00:19Z","title_canon_sha256":"7f0a42d2138b01a741e0df7d6481c04f1f9ddfa9d23b3f274d5dcbf61accb872"},"schema_version":"1.0","source":{"id":"1906.07513","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.07513","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"arxiv_version","alias_value":"1906.07513v1","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.07513","created_at":"2026-05-17T23:43:07Z"},{"alias_kind":"pith_short_12","alias_value":"XJBOMZS345CL","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"XJBOMZS345CLRG6T","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"XJBOMZS3","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:aa488e330b69382c5a719deb823aaba8000c73b51464049f6bc6459c89f01b67","target":"graph","created_at":"2026-05-17T23:43:07Z","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":"Gated bilayer graphene exhibits spin-degenerate gapless states with a topological character localized at stacking domain walls. These states allow for one-dimensional currents along the domain walls. We herein demonstrate that these topologically protected currents are spin -polarized and locked in a single layer when bilayer graphene contains stacking domain walls decorated with magnetic defects. The magnetic defects, which we model as {\\pi}-vacancies, perturb the topological states but also lift their spin degeneracy. One gapless state survives the perturbation of these defects, and its spin","authors_text":"A. Ayuela, W. Jask\\'olski","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-18T12:00:19Z","title":"Spin-layer Locked Gapless States in Gated Bilayer Graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.07513","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":"sha256:6dfc7a1f8735c26e03989aae340c9116fa69bc25f9afe343150dd0d31bb2f14c","target":"record","created_at":"2026-05-17T23:43:07Z","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":"4758e006f496529410273f25f5e8da31379e572d75f77062a2ba3ad84b22e13f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2019-06-18T12:00:19Z","title_canon_sha256":"7f0a42d2138b01a741e0df7d6481c04f1f9ddfa9d23b3f274d5dcbf61accb872"},"schema_version":"1.0","source":{"id":"1906.07513","kind":"arxiv","version":1}},"canonical_sha256":"ba42e6665be744b89bd34718e16e04b6ce2267bc5ab49821cc7ecf7992e22686","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba42e6665be744b89bd34718e16e04b6ce2267bc5ab49821cc7ecf7992e22686","first_computed_at":"2026-05-17T23:43:07.681832Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:43:07.681832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Nx+e92Ko6CKZ1n+C6xz2aKoaXMFltPlfzD5gKatlRfxGAa264iwW5yxcViJoic7ja1oZZSIU2gwTuRFEU3TECQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:43:07.682434Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.07513","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6dfc7a1f8735c26e03989aae340c9116fa69bc25f9afe343150dd0d31bb2f14c","sha256:aa488e330b69382c5a719deb823aaba8000c73b51464049f6bc6459c89f01b67"],"state_sha256":"3f569c450a84bf00f31bf4b36c98fade71ff4de9990c38007f69968628206270"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nJkQrQauv2eh+WTq8T4ka5ZE2vqp4L3hyD5PdMCIvKDHx+ptYgM2jqIbbhH4NrRBYutt02ZTQKeRrayV5145DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T23:35:36.956123Z","bundle_sha256":"26ad79aaf3bd6aafdfc166b0a4804baf8b835387942f367c8b041a6791632666"}}