{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:6ZSQ32QZITH2DAICUJKZZPKC5T","short_pith_number":"pith:6ZSQ32QZ","canonical_record":{"source":{"id":"1603.04357","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-14T17:46:35Z","cross_cats_sorted":[],"title_canon_sha256":"4129aca17f43eef4351829ec969247913d1aec44e629131f495fc81c110ae304","abstract_canon_sha256":"822cd021c5ec56f5bef3c486bc4d052d7e5d13ec7aaf9df707866f0b39e9f154"},"schema_version":"1.0"},"canonical_sha256":"f6650dea1944cfa18102a2559cbd42ece969fb03a4416fa605bf8f9e069a2c0d","source":{"kind":"arxiv","id":"1603.04357","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.04357","created_at":"2026-05-18T01:17:59Z"},{"alias_kind":"arxiv_version","alias_value":"1603.04357v1","created_at":"2026-05-18T01:17:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.04357","created_at":"2026-05-18T01:17:59Z"},{"alias_kind":"pith_short_12","alias_value":"6ZSQ32QZITH2","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"6ZSQ32QZITH2DAIC","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"6ZSQ32QZ","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:6ZSQ32QZITH2DAICUJKZZPKC5T","target":"record","payload":{"canonical_record":{"source":{"id":"1603.04357","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-14T17:46:35Z","cross_cats_sorted":[],"title_canon_sha256":"4129aca17f43eef4351829ec969247913d1aec44e629131f495fc81c110ae304","abstract_canon_sha256":"822cd021c5ec56f5bef3c486bc4d052d7e5d13ec7aaf9df707866f0b39e9f154"},"schema_version":"1.0"},"canonical_sha256":"f6650dea1944cfa18102a2559cbd42ece969fb03a4416fa605bf8f9e069a2c0d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:17:59.090428Z","signature_b64":"n7k7WHo7XGq3PNDWaqarlLH/xVZ2DENWbcQjLMmlZFTmzJHJoaE2SkSsMHXCp4WoHwHWBvHHt+tdeS83SWI1BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f6650dea1944cfa18102a2559cbd42ece969fb03a4416fa605bf8f9e069a2c0d","last_reissued_at":"2026-05-18T01:17:59.089621Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:17:59.089621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.04357","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":"2026-05-18T01:17:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"snLJRfSTMUqi6PSNFQTtOkrhCmEuN4rJb15rxXNHsekEoHezPWTHHKilIuL/nfJ7s1/091TeSL//uHnTbJrOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:49:10.242154Z"},"content_sha256":"339bc8a1a82e102c798d4d769f7890c789e359a284b43cf98f7712440ba777d5","schema_version":"1.0","event_id":"sha256:339bc8a1a82e102c798d4d769f7890c789e359a284b43cf98f7712440ba777d5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:6ZSQ32QZITH2DAICUJKZZPKC5T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin transport in fully hexagonal boron nitride encapsulated graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"B.J. van Wees, C. Sch\\\"onenberger, M. Gurram, P. Makk, S. Omar, S. Zihlmann","submitted_at":"2016-03-14T17:46:35Z","abstract_excerpt":"We study fully hexagonal boron nitride (hBN)-encapsulated graphene spin valve devices at room temperature. The device consists of a graphene channel encapsulated between two crystalline hBN flakes; thick-hBN flake as a bottom gate dielectric substrate which masks the charge impurities from SiO2/Si substrate and single-layer thin-hBN flake as a tunnel barrier. Full encapsulation prevents the graphene from coming in contact with any polymer/chemical during the lithography and thus gives homogeneous charge and spin transport properties across different regions of the encapsulated graphene. Furthe"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.04357","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":"2026-05-18T01:17:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z6R6Eos3ZuobghjNlcb5SS+Q7b/6MIuJ+77yYZ2YwxEJ6HL+FCjwyb0iChROzg7BgTpERPZNniDZyDXjruflBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T09:49:10.242510Z"},"content_sha256":"b906a5863d54564dc84ecbf58e76a802110c87819a6956dcb1d16a238fd45e98","schema_version":"1.0","event_id":"sha256:b906a5863d54564dc84ecbf58e76a802110c87819a6956dcb1d16a238fd45e98"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6ZSQ32QZITH2DAICUJKZZPKC5T/bundle.json","state_url":"https://pith.science/pith/6ZSQ32QZITH2DAICUJKZZPKC5T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6ZSQ32QZITH2DAICUJKZZPKC5T/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":"2026-05-28T09:49:10Z","links":{"resolver":"https://pith.science/pith/6ZSQ32QZITH2DAICUJKZZPKC5T","bundle":"https://pith.science/pith/6ZSQ32QZITH2DAICUJKZZPKC5T/bundle.json","state":"https://pith.science/pith/6ZSQ32QZITH2DAICUJKZZPKC5T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6ZSQ32QZITH2DAICUJKZZPKC5T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:6ZSQ32QZITH2DAICUJKZZPKC5T","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":"822cd021c5ec56f5bef3c486bc4d052d7e5d13ec7aaf9df707866f0b39e9f154","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-14T17:46:35Z","title_canon_sha256":"4129aca17f43eef4351829ec969247913d1aec44e629131f495fc81c110ae304"},"schema_version":"1.0","source":{"id":"1603.04357","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.04357","created_at":"2026-05-18T01:17:59Z"},{"alias_kind":"arxiv_version","alias_value":"1603.04357v1","created_at":"2026-05-18T01:17:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.04357","created_at":"2026-05-18T01:17:59Z"},{"alias_kind":"pith_short_12","alias_value":"6ZSQ32QZITH2","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"6ZSQ32QZITH2DAIC","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"6ZSQ32QZ","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:b906a5863d54564dc84ecbf58e76a802110c87819a6956dcb1d16a238fd45e98","target":"graph","created_at":"2026-05-18T01:17:59Z","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":"We study fully hexagonal boron nitride (hBN)-encapsulated graphene spin valve devices at room temperature. The device consists of a graphene channel encapsulated between two crystalline hBN flakes; thick-hBN flake as a bottom gate dielectric substrate which masks the charge impurities from SiO2/Si substrate and single-layer thin-hBN flake as a tunnel barrier. Full encapsulation prevents the graphene from coming in contact with any polymer/chemical during the lithography and thus gives homogeneous charge and spin transport properties across different regions of the encapsulated graphene. Furthe","authors_text":"B.J. van Wees, C. Sch\\\"onenberger, M. Gurram, P. Makk, S. Omar, S. Zihlmann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-14T17:46:35Z","title":"Spin transport in fully hexagonal boron nitride encapsulated graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.04357","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":"sha256:339bc8a1a82e102c798d4d769f7890c789e359a284b43cf98f7712440ba777d5","target":"record","created_at":"2026-05-18T01:17:59Z","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":"822cd021c5ec56f5bef3c486bc4d052d7e5d13ec7aaf9df707866f0b39e9f154","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2016-03-14T17:46:35Z","title_canon_sha256":"4129aca17f43eef4351829ec969247913d1aec44e629131f495fc81c110ae304"},"schema_version":"1.0","source":{"id":"1603.04357","kind":"arxiv","version":1}},"canonical_sha256":"f6650dea1944cfa18102a2559cbd42ece969fb03a4416fa605bf8f9e069a2c0d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f6650dea1944cfa18102a2559cbd42ece969fb03a4416fa605bf8f9e069a2c0d","first_computed_at":"2026-05-18T01:17:59.089621Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:17:59.089621Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"n7k7WHo7XGq3PNDWaqarlLH/xVZ2DENWbcQjLMmlZFTmzJHJoaE2SkSsMHXCp4WoHwHWBvHHt+tdeS83SWI1BA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:17:59.090428Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.04357","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:339bc8a1a82e102c798d4d769f7890c789e359a284b43cf98f7712440ba777d5","sha256:b906a5863d54564dc84ecbf58e76a802110c87819a6956dcb1d16a238fd45e98"],"state_sha256":"e160e29e10db6d1e8a63b95a762960cbd0fdb3c1780048fbf9f744256680466f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uJN7nOlrm7Ya4cKh1jPEUCzjZPWY5uhzCJOy28jEyKbZlGNu6uEZzLTp2OBiS7gFZhRgpOmWCjY5R4gIGAFxBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T09:49:10.244440Z","bundle_sha256":"25b1a6cf499cbc393d39a8536a6185ffc520f199e7bd75c11c2cf98176a54ae4"}}