{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:W46FVG2DB3AOBAXP2XMRGVT54T","short_pith_number":"pith:W46FVG2D","canonical_record":{"source":{"id":"1905.00233","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-01T09:38:04Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"4341e0e2d7830635d5958c4bc097c054fbb06c4b24cf8b4b8738d371bfbf3da2","abstract_canon_sha256":"fcc02c57be9b1ddc1acb41ed25f06857119fde5081ab76121aaa45941e71cf44"},"schema_version":"1.0"},"canonical_sha256":"b73c5a9b430ec0e082efd5d913567de4e0a8f892fd063b4fc07a0a7424f35926","source":{"kind":"arxiv","id":"1905.00233","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.00233","created_at":"2026-05-17T23:45:26Z"},{"alias_kind":"arxiv_version","alias_value":"1905.00233v1","created_at":"2026-05-17T23:45:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.00233","created_at":"2026-05-17T23:45:26Z"},{"alias_kind":"pith_short_12","alias_value":"W46FVG2DB3AO","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"W46FVG2DB3AOBAXP","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"W46FVG2D","created_at":"2026-05-18T12:33:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:W46FVG2DB3AOBAXP2XMRGVT54T","target":"record","payload":{"canonical_record":{"source":{"id":"1905.00233","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-01T09:38:04Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"4341e0e2d7830635d5958c4bc097c054fbb06c4b24cf8b4b8738d371bfbf3da2","abstract_canon_sha256":"fcc02c57be9b1ddc1acb41ed25f06857119fde5081ab76121aaa45941e71cf44"},"schema_version":"1.0"},"canonical_sha256":"b73c5a9b430ec0e082efd5d913567de4e0a8f892fd063b4fc07a0a7424f35926","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:26.636503Z","signature_b64":"ssrKXP8bSp7NB2daieOUD97GqFDBTp4+PpK2jDhz3Hrek6GnOuawuO0reWt9FK5z90PdL6Zj+5Rrmw8FKoq2Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b73c5a9b430ec0e082efd5d913567de4e0a8f892fd063b4fc07a0a7424f35926","last_reissued_at":"2026-05-17T23:45:26.635921Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:26.635921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.00233","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":"2026-05-17T23:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hPmwaXJZOgYlv3ltVuuTa8mwnXL6o6/Fp64YOCKEOFWwL01HEwV44ddiLTFCVspOzkWQL7ulWqfinRrfKXNiAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T03:54:27.181332Z"},"content_sha256":"c1be148370b87a5f32b4037adddb900d023432640ab6704237495f2c06c1978f","schema_version":"1.0","event_id":"sha256:c1be148370b87a5f32b4037adddb900d023432640ab6704237495f2c06c1978f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:W46FVG2DB3AOBAXP2XMRGVT54T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gate electrostatics and quantum capacitance in ballistic graphene devices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Antti-Pekka Jauho, Artsem A. Shylau, Jos\\'e M. Caridad, Lene Gammelgaard, Peter B{\\o}ggild, Stephen R. Power","submitted_at":"2019-05-01T09:38:04Z","abstract_excerpt":"We experimentally investigate the charge induction mechanism across gated, narrow, ballistic graphene devices with different degrees of edge disorder. By using magnetoconductance measurements as the probing technique, we demonstrate that devices with large edge disorder exhibit a nearly homogeneous capacitance profile across the device channel, close to the case of an infinitely large graphene sheet. In contrast, devices with lower edge disorder (< 1 nm roughness) are strongly influenced by the fringing electrostatic field at graphene boundaries, in quantitative agreement with theoretical calc"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.00233","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":"2026-05-17T23:45:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NOgDFMToBCMxqKQNZBLMmc0RAduyFVkNiEnHMWirMSzNcwV93oWblv1S+RmqHge0Y+aVkhLzETM9Dq9upnuWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T03:54:27.182075Z"},"content_sha256":"ab32b4c3759069b79e8e6a5117abe4bca6c02223d1c9ec522bdc355bc8823632","schema_version":"1.0","event_id":"sha256:ab32b4c3759069b79e8e6a5117abe4bca6c02223d1c9ec522bdc355bc8823632"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W46FVG2DB3AOBAXP2XMRGVT54T/bundle.json","state_url":"https://pith.science/pith/W46FVG2DB3AOBAXP2XMRGVT54T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W46FVG2DB3AOBAXP2XMRGVT54T/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":"2026-06-11T03:54:27Z","links":{"resolver":"https://pith.science/pith/W46FVG2DB3AOBAXP2XMRGVT54T","bundle":"https://pith.science/pith/W46FVG2DB3AOBAXP2XMRGVT54T/bundle.json","state":"https://pith.science/pith/W46FVG2DB3AOBAXP2XMRGVT54T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W46FVG2DB3AOBAXP2XMRGVT54T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:W46FVG2DB3AOBAXP2XMRGVT54T","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":"fcc02c57be9b1ddc1acb41ed25f06857119fde5081ab76121aaa45941e71cf44","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-01T09:38:04Z","title_canon_sha256":"4341e0e2d7830635d5958c4bc097c054fbb06c4b24cf8b4b8738d371bfbf3da2"},"schema_version":"1.0","source":{"id":"1905.00233","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.00233","created_at":"2026-05-17T23:45:26Z"},{"alias_kind":"arxiv_version","alias_value":"1905.00233v1","created_at":"2026-05-17T23:45:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.00233","created_at":"2026-05-17T23:45:26Z"},{"alias_kind":"pith_short_12","alias_value":"W46FVG2DB3AO","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_16","alias_value":"W46FVG2DB3AOBAXP","created_at":"2026-05-18T12:33:30Z"},{"alias_kind":"pith_short_8","alias_value":"W46FVG2D","created_at":"2026-05-18T12:33:30Z"}],"graph_snapshots":[{"event_id":"sha256:ab32b4c3759069b79e8e6a5117abe4bca6c02223d1c9ec522bdc355bc8823632","target":"graph","created_at":"2026-05-17T23:45:26Z","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 experimentally investigate the charge induction mechanism across gated, narrow, ballistic graphene devices with different degrees of edge disorder. By using magnetoconductance measurements as the probing technique, we demonstrate that devices with large edge disorder exhibit a nearly homogeneous capacitance profile across the device channel, close to the case of an infinitely large graphene sheet. In contrast, devices with lower edge disorder (< 1 nm roughness) are strongly influenced by the fringing electrostatic field at graphene boundaries, in quantitative agreement with theoretical calc","authors_text":"Antti-Pekka Jauho, Artsem A. Shylau, Jos\\'e M. Caridad, Lene Gammelgaard, Peter B{\\o}ggild, Stephen R. Power","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-01T09:38:04Z","title":"Gate electrostatics and quantum capacitance in ballistic graphene devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.00233","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:c1be148370b87a5f32b4037adddb900d023432640ab6704237495f2c06c1978f","target":"record","created_at":"2026-05-17T23:45:26Z","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":"fcc02c57be9b1ddc1acb41ed25f06857119fde5081ab76121aaa45941e71cf44","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-05-01T09:38:04Z","title_canon_sha256":"4341e0e2d7830635d5958c4bc097c054fbb06c4b24cf8b4b8738d371bfbf3da2"},"schema_version":"1.0","source":{"id":"1905.00233","kind":"arxiv","version":1}},"canonical_sha256":"b73c5a9b430ec0e082efd5d913567de4e0a8f892fd063b4fc07a0a7424f35926","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b73c5a9b430ec0e082efd5d913567de4e0a8f892fd063b4fc07a0a7424f35926","first_computed_at":"2026-05-17T23:45:26.635921Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:26.635921Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ssrKXP8bSp7NB2daieOUD97GqFDBTp4+PpK2jDhz3Hrek6GnOuawuO0reWt9FK5z90PdL6Zj+5Rrmw8FKoq2Cg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:26.636503Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.00233","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c1be148370b87a5f32b4037adddb900d023432640ab6704237495f2c06c1978f","sha256:ab32b4c3759069b79e8e6a5117abe4bca6c02223d1c9ec522bdc355bc8823632"],"state_sha256":"4cd04e255f2777d70834db40ae07c8683c9695853f676e4814c816ca5feb7d39"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n6QfHMEzd5R5fYWeDRE3+0bCruMHIZWK9le2IbMjLbnwCJFATkWrFB4LZRu5BTndtTxEtyxgGAuYVQHLtNI2AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T03:54:27.186230Z","bundle_sha256":"51595c892b980383adcdcfd32b747a2d373f345af98b781f3c0b31878a56f2bc"}}