{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:MS5V35R2SLRC3PQNW6FS3WYLQD","short_pith_number":"pith:MS5V35R2","canonical_record":{"source":{"id":"1810.10744","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-25T07:29:43Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"411b94b05af4be43c4008be969817d167b6d209d640baa5fb65a485885a5bc94","abstract_canon_sha256":"9d1d0eee600adea976bdbe15c500545036356bb2bd298052c903f0b083a4f1ba"},"schema_version":"1.0"},"canonical_sha256":"64bb5df63a92e22dbe0db78b2ddb0b80ec8eeb3086ea63b0ade71763e7f78b93","source":{"kind":"arxiv","id":"1810.10744","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10744","created_at":"2026-05-17T23:45:35Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10744v1","created_at":"2026-05-17T23:45:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10744","created_at":"2026-05-17T23:45:35Z"},{"alias_kind":"pith_short_12","alias_value":"MS5V35R2SLRC","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MS5V35R2SLRC3PQN","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MS5V35R2","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:MS5V35R2SLRC3PQNW6FS3WYLQD","target":"record","payload":{"canonical_record":{"source":{"id":"1810.10744","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-25T07:29:43Z","cross_cats_sorted":["cond-mat.mtrl-sci"],"title_canon_sha256":"411b94b05af4be43c4008be969817d167b6d209d640baa5fb65a485885a5bc94","abstract_canon_sha256":"9d1d0eee600adea976bdbe15c500545036356bb2bd298052c903f0b083a4f1ba"},"schema_version":"1.0"},"canonical_sha256":"64bb5df63a92e22dbe0db78b2ddb0b80ec8eeb3086ea63b0ade71763e7f78b93","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:45:35.813390Z","signature_b64":"veuHmusuzKWXn34/eSZWqtMb3H1MaIkIpIJr0L/oDg7ZwiXKGQWdunCIQovj+Dx98aGs0PAn/Air6/ji9CWhAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"64bb5df63a92e22dbe0db78b2ddb0b80ec8eeb3086ea63b0ade71763e7f78b93","last_reissued_at":"2026-05-17T23:45:35.812663Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:45:35.812663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.10744","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":"2026-05-17T23:45:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8uJYIvUnPhCQuY5SBY86aGKXpnuK38nOJbqlNaio3g8GmzBGnN+742KOL/jbn0DJUqOwgKY0hOziv5fg5MNCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T15:05:33.181769Z"},"content_sha256":"4a4638da50b12a75f88e3642ee47422eadefc618fec7466f2dbe6933f7b6acf6","schema_version":"1.0","event_id":"sha256:4a4638da50b12a75f88e3642ee47422eadefc618fec7466f2dbe6933f7b6acf6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:MS5V35R2SLRC3PQNW6FS3WYLQD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simultaneous imaging of voltage and current density of flowing electrons in two dimensions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci"],"primary_cat":"cond-mat.mes-hall","authors_text":"Andre K. Geim, Assaf Rozen, David Perello, Johanna Zultak, John Birkbeck, Joseph A. Sulpizio, Kenji Watanabe, Lior Ella, Moshe Ben-Shalom, Shahal Ilani, Takashi Taniguchi","submitted_at":"2018-10-25T07:29:43Z","abstract_excerpt":"Electron transport in nanoscale devices can often result in nontrivial spatial patterns of voltage and current that reflect a variety of physical phenomena, particularly in nonlocal transport regimes. While numerous techniques have been devised to image electron flows, the need remains for a nanoscale probe capable of simultaneously imaging current and voltage distributions with high sensitivity and minimal invasiveness, in magnetic field, across a broad range of temperatures, and beneath an insulating surface. Here we present such a technique for spatially mapping electron flows based on a na"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10744","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":"2026-05-17T23:45:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nB3U/b84ylrTbuVm+V0VTQj3fw8tiOEGVk4KIv3uf0yhqIXb4uqjvFJV1zpDhMmI/hkyBMH9VUVYqN7kv3f0BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T15:05:33.182136Z"},"content_sha256":"d2eb64ce6e21c0990067bdf74286ec1e2591b8e6c2a513f57e8c219281483434","schema_version":"1.0","event_id":"sha256:d2eb64ce6e21c0990067bdf74286ec1e2591b8e6c2a513f57e8c219281483434"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MS5V35R2SLRC3PQNW6FS3WYLQD/bundle.json","state_url":"https://pith.science/pith/MS5V35R2SLRC3PQNW6FS3WYLQD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MS5V35R2SLRC3PQNW6FS3WYLQD/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":"2026-05-24T15:05:33Z","links":{"resolver":"https://pith.science/pith/MS5V35R2SLRC3PQNW6FS3WYLQD","bundle":"https://pith.science/pith/MS5V35R2SLRC3PQNW6FS3WYLQD/bundle.json","state":"https://pith.science/pith/MS5V35R2SLRC3PQNW6FS3WYLQD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MS5V35R2SLRC3PQNW6FS3WYLQD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:MS5V35R2SLRC3PQNW6FS3WYLQD","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":"9d1d0eee600adea976bdbe15c500545036356bb2bd298052c903f0b083a4f1ba","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-25T07:29:43Z","title_canon_sha256":"411b94b05af4be43c4008be969817d167b6d209d640baa5fb65a485885a5bc94"},"schema_version":"1.0","source":{"id":"1810.10744","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.10744","created_at":"2026-05-17T23:45:35Z"},{"alias_kind":"arxiv_version","alias_value":"1810.10744v1","created_at":"2026-05-17T23:45:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.10744","created_at":"2026-05-17T23:45:35Z"},{"alias_kind":"pith_short_12","alias_value":"MS5V35R2SLRC","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"MS5V35R2SLRC3PQN","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"MS5V35R2","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:d2eb64ce6e21c0990067bdf74286ec1e2591b8e6c2a513f57e8c219281483434","target":"graph","created_at":"2026-05-17T23:45:35Z","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":"Electron transport in nanoscale devices can often result in nontrivial spatial patterns of voltage and current that reflect a variety of physical phenomena, particularly in nonlocal transport regimes. While numerous techniques have been devised to image electron flows, the need remains for a nanoscale probe capable of simultaneously imaging current and voltage distributions with high sensitivity and minimal invasiveness, in magnetic field, across a broad range of temperatures, and beneath an insulating surface. Here we present such a technique for spatially mapping electron flows based on a na","authors_text":"Andre K. Geim, Assaf Rozen, David Perello, Johanna Zultak, John Birkbeck, Joseph A. Sulpizio, Kenji Watanabe, Lior Ella, Moshe Ben-Shalom, Shahal Ilani, Takashi Taniguchi","cross_cats":["cond-mat.mtrl-sci"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-25T07:29:43Z","title":"Simultaneous imaging of voltage and current density of flowing electrons in two dimensions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.10744","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":"sha256:4a4638da50b12a75f88e3642ee47422eadefc618fec7466f2dbe6933f7b6acf6","target":"record","created_at":"2026-05-17T23:45:35Z","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":"9d1d0eee600adea976bdbe15c500545036356bb2bd298052c903f0b083a4f1ba","cross_cats_sorted":["cond-mat.mtrl-sci"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2018-10-25T07:29:43Z","title_canon_sha256":"411b94b05af4be43c4008be969817d167b6d209d640baa5fb65a485885a5bc94"},"schema_version":"1.0","source":{"id":"1810.10744","kind":"arxiv","version":1}},"canonical_sha256":"64bb5df63a92e22dbe0db78b2ddb0b80ec8eeb3086ea63b0ade71763e7f78b93","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"64bb5df63a92e22dbe0db78b2ddb0b80ec8eeb3086ea63b0ade71763e7f78b93","first_computed_at":"2026-05-17T23:45:35.812663Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:45:35.812663Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"veuHmusuzKWXn34/eSZWqtMb3H1MaIkIpIJr0L/oDg7ZwiXKGQWdunCIQovj+Dx98aGs0PAn/Air6/ji9CWhAQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:45:35.813390Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.10744","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4a4638da50b12a75f88e3642ee47422eadefc618fec7466f2dbe6933f7b6acf6","sha256:d2eb64ce6e21c0990067bdf74286ec1e2591b8e6c2a513f57e8c219281483434"],"state_sha256":"9ed36f835c8f8b21eb13bd43fcdf66216aba20c8938a6cd648cdbaf01e0c89d4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qy2YN8pVs5aEFB0ac7n5zFcgPYnr1LFMsXtRVaqlNAz1L+2l69YECz/MR1FT8eCH06mM3clMu1JuXexCAanhAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T15:05:33.184469Z","bundle_sha256":"cf0da031bbbe2ed441ea716c6ce088dc3f9f6f7e2340a1d233705f2c7f59bc01"}}