{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:AVQ5W2WOYO3ZGNMLHNWRT73MNY","short_pith_number":"pith:AVQ5W2WO","canonical_record":{"source":{"id":"2011.11184","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-11-23T03:02:55Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"90667906298e580fc9128920861fd778947dc056a646dc37507791835929c8ec","abstract_canon_sha256":"909e25a42486494cb8513cfc49e9d48ae2bd893c3ac721c67aac25befcb816b9"},"schema_version":"1.0"},"canonical_sha256":"0561db6acec3b793358b3b6d19ff6c6e07cd76d166d4e9162b47399fa50eca8b","source":{"kind":"arxiv","id":"2011.11184","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.11184","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"2011.11184v1","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.11184","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"AVQ5W2WOYO3Z","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"pith_short_16","alias_value":"AVQ5W2WOYO3ZGNML","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"pith_short_8","alias_value":"AVQ5W2WO","created_at":"2026-07-05T01:53:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:AVQ5W2WOYO3ZGNMLHNWRT73MNY","target":"record","payload":{"canonical_record":{"source":{"id":"2011.11184","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-11-23T03:02:55Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"90667906298e580fc9128920861fd778947dc056a646dc37507791835929c8ec","abstract_canon_sha256":"909e25a42486494cb8513cfc49e9d48ae2bd893c3ac721c67aac25befcb816b9"},"schema_version":"1.0"},"canonical_sha256":"0561db6acec3b793358b3b6d19ff6c6e07cd76d166d4e9162b47399fa50eca8b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:53:40.343234Z","signature_b64":"LZftQbpd2p+DNBe5hypHW4V+0E2pZ/vhHK2Fm9vSYX6kVVM7BO7LEIqg9WBjTy1vhzT8SRW7AmFub9IwfAAeBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0561db6acec3b793358b3b6d19ff6c6e07cd76d166d4e9162b47399fa50eca8b","last_reissued_at":"2026-07-05T01:53:40.342880Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:53:40.342880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.11184","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":"2026-07-05T01:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RqmqAXVnz3clvwN8fWnax3ElI2U/jqHz4yjzAHnA1qFDr594pcfDYII0SVFrjTJY1Gy0qYkuEgQPafXeuGmyBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T06:44:13.627757Z"},"content_sha256":"a53e9cec1cbe54f55c5f126b7b00e6375d4e308c6b7b59fe684fb79f50a6ffc8","schema_version":"1.0","event_id":"sha256:a53e9cec1cbe54f55c5f126b7b00e6375d4e308c6b7b59fe684fb79f50a6ffc8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:AVQ5W2WOYO3ZGNMLHNWRT73MNY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Highly Ordered Boron Nitride/Epigraphene Epitaxial Films on Silicon Carbide by Lateral Epitaxial Deposition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Abdallah Ougazzaden, Annick Loiseau, Bokwon Yoon, Claire Berger, Dogukan Deniz, Fr\\'ed\\'eric Fossard, Gilles Patriarche, James Gigliotti, Jean-Philippe Turmaud, Jean-S\\'ebastien M\\'erot, Suresh Sundaram, Uzi Landman, Vladimir Prudkovskiy, Walt A. de Heer, Xin Li, Yiran Hu, Yue Hu","submitted_at":"2020-11-23T03:02:55Z","abstract_excerpt":"Realizing high-performance nanoelectronics requires control of materials at the nanoscale. Methods to produce high quality epitaxial graphene (EG) nanostructures on silicon carbide are known. The next step is to grow Van der Waals semiconductors on top of EG nanostructures. Hexagonal boron nitride (h-BN) is a wide bandgap semiconductor with a honeycomb lattice structure that matches that of graphene, making it ideally suited for graphene-based nanoelectronics. Here, we describe the preparation and characterization of multilayer h-BN grown epitaxially on EG using a migration-enhanced metalorgan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.11184","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2011.11184/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":"2026-07-05T01:53:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IGmqsCUZd3GCGOksb8sx+Y5PfzRrsWtVFXhWB4tQ5a72dWsy7f7kvVEJZCzrGxpwM/Hz6cYAMg/uUxq1JfoNDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T06:44:13.628370Z"},"content_sha256":"72a8518857f2c4a04a9846d66a1231bec7fbbb62d56c13ac2b7262385cfed921","schema_version":"1.0","event_id":"sha256:72a8518857f2c4a04a9846d66a1231bec7fbbb62d56c13ac2b7262385cfed921"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AVQ5W2WOYO3ZGNMLHNWRT73MNY/bundle.json","state_url":"https://pith.science/pith/AVQ5W2WOYO3ZGNMLHNWRT73MNY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AVQ5W2WOYO3ZGNMLHNWRT73MNY/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":"2026-08-04T06:44:13Z","links":{"resolver":"https://pith.science/pith/AVQ5W2WOYO3ZGNMLHNWRT73MNY","bundle":"https://pith.science/pith/AVQ5W2WOYO3ZGNMLHNWRT73MNY/bundle.json","state":"https://pith.science/pith/AVQ5W2WOYO3ZGNMLHNWRT73MNY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AVQ5W2WOYO3ZGNMLHNWRT73MNY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:AVQ5W2WOYO3ZGNMLHNWRT73MNY","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":"909e25a42486494cb8513cfc49e9d48ae2bd893c3ac721c67aac25befcb816b9","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-11-23T03:02:55Z","title_canon_sha256":"90667906298e580fc9128920861fd778947dc056a646dc37507791835929c8ec"},"schema_version":"1.0","source":{"id":"2011.11184","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.11184","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"arxiv_version","alias_value":"2011.11184v1","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.11184","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"pith_short_12","alias_value":"AVQ5W2WOYO3Z","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"pith_short_16","alias_value":"AVQ5W2WOYO3ZGNML","created_at":"2026-07-05T01:53:40Z"},{"alias_kind":"pith_short_8","alias_value":"AVQ5W2WO","created_at":"2026-07-05T01:53:40Z"}],"graph_snapshots":[{"event_id":"sha256:72a8518857f2c4a04a9846d66a1231bec7fbbb62d56c13ac2b7262385cfed921","target":"graph","created_at":"2026-07-05T01:53:40Z","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/2011.11184/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Realizing high-performance nanoelectronics requires control of materials at the nanoscale. Methods to produce high quality epitaxial graphene (EG) nanostructures on silicon carbide are known. The next step is to grow Van der Waals semiconductors on top of EG nanostructures. Hexagonal boron nitride (h-BN) is a wide bandgap semiconductor with a honeycomb lattice structure that matches that of graphene, making it ideally suited for graphene-based nanoelectronics. Here, we describe the preparation and characterization of multilayer h-BN grown epitaxially on EG using a migration-enhanced metalorgan","authors_text":"Abdallah Ougazzaden, Annick Loiseau, Bokwon Yoon, Claire Berger, Dogukan Deniz, Fr\\'ed\\'eric Fossard, Gilles Patriarche, James Gigliotti, Jean-Philippe Turmaud, Jean-S\\'ebastien M\\'erot, Suresh Sundaram, Uzi Landman, Vladimir Prudkovskiy, Walt A. de Heer, Xin Li, Yiran Hu, Yue Hu","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-11-23T03:02:55Z","title":"Highly Ordered Boron Nitride/Epigraphene Epitaxial Films on Silicon Carbide by Lateral Epitaxial Deposition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.11184","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:a53e9cec1cbe54f55c5f126b7b00e6375d4e308c6b7b59fe684fb79f50a6ffc8","target":"record","created_at":"2026-07-05T01:53:40Z","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":"909e25a42486494cb8513cfc49e9d48ae2bd893c3ac721c67aac25befcb816b9","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2020-11-23T03:02:55Z","title_canon_sha256":"90667906298e580fc9128920861fd778947dc056a646dc37507791835929c8ec"},"schema_version":"1.0","source":{"id":"2011.11184","kind":"arxiv","version":1}},"canonical_sha256":"0561db6acec3b793358b3b6d19ff6c6e07cd76d166d4e9162b47399fa50eca8b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0561db6acec3b793358b3b6d19ff6c6e07cd76d166d4e9162b47399fa50eca8b","first_computed_at":"2026-07-05T01:53:40.342880Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:53:40.342880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LZftQbpd2p+DNBe5hypHW4V+0E2pZ/vhHK2Fm9vSYX6kVVM7BO7LEIqg9WBjTy1vhzT8SRW7AmFub9IwfAAeBw==","signature_status":"signed_v1","signed_at":"2026-07-05T01:53:40.343234Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.11184","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a53e9cec1cbe54f55c5f126b7b00e6375d4e308c6b7b59fe684fb79f50a6ffc8","sha256:72a8518857f2c4a04a9846d66a1231bec7fbbb62d56c13ac2b7262385cfed921"],"state_sha256":"2c28a6837a17a5400812d8b6705c849fe070bd067ebcc41fdb82f48b858ec7bf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Op9wLzoelJtkJJ7iG6aJ8ynbzLQKkhv2tqTVw08RLGZiX2KvPzauwikGdWwL4fc4zlneOh1WjkOvtVnXHvdjDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T06:44:13.633611Z","bundle_sha256":"aef82444fb878eebc063ff64ed0240774ac554f75f767c319e6c4061887d700f"}}