{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:BLPTJ3JRMRRCT3DYPQ4Z5LU7WV","short_pith_number":"pith:BLPTJ3JR","canonical_record":{"source":{"id":"1705.08257","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-05-17T08:52:34Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"748c87b6e7bb4f96e89aaed457c5f5d4c14f26ea5eab4f14c0677a7b7612c544","abstract_canon_sha256":"df7734933c0064ada53509a8f29e71b277efaaed6b9be4a8102449da1e72d6fa"},"schema_version":"1.0"},"canonical_sha256":"0adf34ed31646229ec787c399eae9fb5626671d01fc2d99493a9810ebc6aaedf","source":{"kind":"arxiv","id":"1705.08257","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.08257","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"1705.08257v2","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.08257","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"BLPTJ3JRMRRC","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BLPTJ3JRMRRCT3DY","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BLPTJ3JR","created_at":"2026-05-18T12:31:08Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:BLPTJ3JRMRRCT3DYPQ4Z5LU7WV","target":"record","payload":{"canonical_record":{"source":{"id":"1705.08257","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-05-17T08:52:34Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"748c87b6e7bb4f96e89aaed457c5f5d4c14f26ea5eab4f14c0677a7b7612c544","abstract_canon_sha256":"df7734933c0064ada53509a8f29e71b277efaaed6b9be4a8102449da1e72d6fa"},"schema_version":"1.0"},"canonical_sha256":"0adf34ed31646229ec787c399eae9fb5626671d01fc2d99493a9810ebc6aaedf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:40:29.913695Z","signature_b64":"7IU+QDv9G+pnvalBxc5ydH9wXSKf9Isik64OaBUdHNbcHK6U3aAZBdmPwr34pwBKqxE6vkQyXclWapQo105vAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0adf34ed31646229ec787c399eae9fb5626671d01fc2d99493a9810ebc6aaedf","last_reissued_at":"2026-05-18T00:40:29.913313Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:40:29.913313Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.08257","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":"2026-05-18T00:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S16NT6eLUSkNrxx1zaEmGD2Y8vE9r2AwaO4lXpy+H43e11BacftyqcETtU/Da5sfyiSRNRgCDuUflq0pTSr5CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:03:46.072878Z"},"content_sha256":"ddf13bbb310552081a7d4a810d9ca6b1a9a633496bd379b33e56cf95efeef7f6","schema_version":"1.0","event_id":"sha256:ddf13bbb310552081a7d4a810d9ca6b1a9a633496bd379b33e56cf95efeef7f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:BLPTJ3JRMRRCT3DYPQ4Z5LU7WV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Epitaxial electrical contact to graphene on SiC","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.app-ph","authors_text":"A. Artaud, A. G. M Jansen, C. Chapelier, E. F. C Driessen, F. Lefloch, F. Lipp Bregolin, G. Lapertot, H. Okuno, L. Huder, N. Mollard, S. Pouget, T. Le Quang, V. T. Renard","submitted_at":"2017-05-17T08:52:34Z","abstract_excerpt":"Establishing good electrical contacts to nanoscale devices is a major issue for modern technology and contacting 2D materials is no exception to the rule. One-dimensional edge-contacts to graphene were recently shown to outperform surface contacts but the method remains difficult to scale up. We report a resist-free and scalable method to fabricate few graphene layers with electrical contacts in a single growth step. This method derives from the discovery reported here of the growth of few graphene layers on a metallic carbide by thermal annealing of a carbide forming metallic film on SiC in h"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.08257","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":""},"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":"2026-05-18T00:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B0tnmfPy4bfXLCpTc1j2cOZ8Pp/RO6j07yUzpboU0ErjI3O+v7IY6Tn3CFpqteZJAjQgenWF0VirsQhAklYzAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T00:03:46.073240Z"},"content_sha256":"c09b0219836e4cc4580b4fcf7bcfeb642d0ee4ca29d648e7a0158aae33ef363c","schema_version":"1.0","event_id":"sha256:c09b0219836e4cc4580b4fcf7bcfeb642d0ee4ca29d648e7a0158aae33ef363c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BLPTJ3JRMRRCT3DYPQ4Z5LU7WV/bundle.json","state_url":"https://pith.science/pith/BLPTJ3JRMRRCT3DYPQ4Z5LU7WV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BLPTJ3JRMRRCT3DYPQ4Z5LU7WV/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":"2026-05-28T00:03:46Z","links":{"resolver":"https://pith.science/pith/BLPTJ3JRMRRCT3DYPQ4Z5LU7WV","bundle":"https://pith.science/pith/BLPTJ3JRMRRCT3DYPQ4Z5LU7WV/bundle.json","state":"https://pith.science/pith/BLPTJ3JRMRRCT3DYPQ4Z5LU7WV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BLPTJ3JRMRRCT3DYPQ4Z5LU7WV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:BLPTJ3JRMRRCT3DYPQ4Z5LU7WV","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":"df7734933c0064ada53509a8f29e71b277efaaed6b9be4a8102449da1e72d6fa","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-05-17T08:52:34Z","title_canon_sha256":"748c87b6e7bb4f96e89aaed457c5f5d4c14f26ea5eab4f14c0677a7b7612c544"},"schema_version":"1.0","source":{"id":"1705.08257","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.08257","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"1705.08257v2","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.08257","created_at":"2026-05-18T00:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"BLPTJ3JRMRRC","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_16","alias_value":"BLPTJ3JRMRRCT3DY","created_at":"2026-05-18T12:31:08Z"},{"alias_kind":"pith_short_8","alias_value":"BLPTJ3JR","created_at":"2026-05-18T12:31:08Z"}],"graph_snapshots":[{"event_id":"sha256:c09b0219836e4cc4580b4fcf7bcfeb642d0ee4ca29d648e7a0158aae33ef363c","target":"graph","created_at":"2026-05-18T00:40:29Z","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":"Establishing good electrical contacts to nanoscale devices is a major issue for modern technology and contacting 2D materials is no exception to the rule. One-dimensional edge-contacts to graphene were recently shown to outperform surface contacts but the method remains difficult to scale up. We report a resist-free and scalable method to fabricate few graphene layers with electrical contacts in a single growth step. This method derives from the discovery reported here of the growth of few graphene layers on a metallic carbide by thermal annealing of a carbide forming metallic film on SiC in h","authors_text":"A. Artaud, A. G. M Jansen, C. Chapelier, E. F. C Driessen, F. Lefloch, F. Lipp Bregolin, G. Lapertot, H. Okuno, L. Huder, N. Mollard, S. Pouget, T. Le Quang, V. T. Renard","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-05-17T08:52:34Z","title":"Epitaxial electrical contact to graphene on SiC"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.08257","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:ddf13bbb310552081a7d4a810d9ca6b1a9a633496bd379b33e56cf95efeef7f6","target":"record","created_at":"2026-05-18T00:40:29Z","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":"df7734933c0064ada53509a8f29e71b277efaaed6b9be4a8102449da1e72d6fa","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2017-05-17T08:52:34Z","title_canon_sha256":"748c87b6e7bb4f96e89aaed457c5f5d4c14f26ea5eab4f14c0677a7b7612c544"},"schema_version":"1.0","source":{"id":"1705.08257","kind":"arxiv","version":2}},"canonical_sha256":"0adf34ed31646229ec787c399eae9fb5626671d01fc2d99493a9810ebc6aaedf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0adf34ed31646229ec787c399eae9fb5626671d01fc2d99493a9810ebc6aaedf","first_computed_at":"2026-05-18T00:40:29.913313Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:40:29.913313Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"7IU+QDv9G+pnvalBxc5ydH9wXSKf9Isik64OaBUdHNbcHK6U3aAZBdmPwr34pwBKqxE6vkQyXclWapQo105vAg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:40:29.913695Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.08257","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ddf13bbb310552081a7d4a810d9ca6b1a9a633496bd379b33e56cf95efeef7f6","sha256:c09b0219836e4cc4580b4fcf7bcfeb642d0ee4ca29d648e7a0158aae33ef363c"],"state_sha256":"28f13b5b0f68423c663a3608eebd1ca48d658deebeca865d2266905b1263fa4c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6MbyaAKYD9DjBuVVS8Bat+nkL6tpYEtxGQRHmkyVkwqzRg8oRxqWSzbm1n+gvVCMADmZO88iArFw7PqyQnJZCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T00:03:46.075492Z","bundle_sha256":"5e1e17ea7ec3f8199ee9ac3a0fdd15b5230c206b4d9595a6b7db3de2d9512d89"}}