{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:YYFU6NWXV5LTPPKWJH5TYGVHNC","short_pith_number":"pith:YYFU6NWX","canonical_record":{"source":{"id":"2511.07181","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-11-10T15:13:35Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"1eaa3f29d87b1cf5431fd55bbbe225841fa1f0c889fea27832202cb0e8e27616","abstract_canon_sha256":"72ef27c1f98868cda5fd27529ecd99a3faee0401b02a63b0e41f96eea78e3971"},"schema_version":"1.0"},"canonical_sha256":"c60b4f36d7af5737bd5649fb3c1aa7689ad924d1e0d57c2b28438441763404f3","source":{"kind":"arxiv","id":"2511.07181","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.07181","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"arxiv_version","alias_value":"2511.07181v1","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.07181","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"pith_short_12","alias_value":"YYFU6NWXV5LT","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"pith_short_16","alias_value":"YYFU6NWXV5LTPPKW","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"pith_short_8","alias_value":"YYFU6NWX","created_at":"2026-07-31T01:32:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:YYFU6NWXV5LTPPKWJH5TYGVHNC","target":"record","payload":{"canonical_record":{"source":{"id":"2511.07181","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-11-10T15:13:35Z","cross_cats_sorted":["quant-ph"],"title_canon_sha256":"1eaa3f29d87b1cf5431fd55bbbe225841fa1f0c889fea27832202cb0e8e27616","abstract_canon_sha256":"72ef27c1f98868cda5fd27529ecd99a3faee0401b02a63b0e41f96eea78e3971"},"schema_version":"1.0"},"canonical_sha256":"c60b4f36d7af5737bd5649fb3c1aa7689ad924d1e0d57c2b28438441763404f3","receipt":{"kind":"pith_receipt","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c60b4f36d7af5737bd5649fb3c1aa7689ad924d1e0d57c2b28438441763404f3","last_reissued_at":"2026-07-31T01:32:45.295186Z","signature_status":"unsigned_v0","first_computed_at":"2026-07-31T01:32:45.295186Z"},"source_kind":"arxiv","source_id":"2511.07181","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":"2026-07-31T01:32:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2NuGFwpsxn0mu3blegbXxDTBsBNKWOE2qkYv7F6pRKKo1ncrkkl/u41rU0pJyOd4u49THc2Hw5ShXla/i/UhAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T16:36:00.056733Z"},"content_sha256":"70920c4f85b103a905fa09651cb18d53b394bd1e3227eb56cbfc1780aeffc7f3","schema_version":"1.0","event_id":"sha256:70920c4f85b103a905fa09651cb18d53b394bd1e3227eb56cbfc1780aeffc7f3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:YYFU6NWXV5LTPPKWJH5TYGVHNC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Direct imaging of magnetotransport at graphene-metal interfaces with a single-spin quantum sensor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["quant-ph"],"primary_cat":"cond-mat.mes-hall","authors_text":"C. Ding, C. L. Degen, K. Kohli, K. Watanabe, M. L. Palm, T. Taniguchi","submitted_at":"2025-11-10T15:13:35Z","abstract_excerpt":"Magnetotransport underlines many important phenomena in condensed matter physics, such as the Hall effect and magnetoresistance (MR) effect. Thus far, most magnetotransport studies are based on bulk resistance measurements without direct access to microscopic details of the spatial transport pattern. Here, we report nanoscale imaging of magnetotransport using a scanning single-spin quantum magnetometer, which is demonstrated in a graphene-metal hybrid device at room temperature. By visualizing the current flow at elevated magnetic fields (~0.5 T), we directly observe the Lorentz deflection of "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.07181","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/2511.07181/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":"2026-07-31T01:32:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JKQCUbYoZR4JWeYozuzJVo3NtQyCTzTP6CN9VjpI3TFlm8roWdN7ZZQjSMF6MZSno6ZDKr4MsPwJe8JgyHr3Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T16:36:00.057676Z"},"content_sha256":"69c77159004e6678e39eacc3530c6bd4fd44438716f92dbeefb898afc35eed40","schema_version":"1.0","event_id":"sha256:69c77159004e6678e39eacc3530c6bd4fd44438716f92dbeefb898afc35eed40"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YYFU6NWXV5LTPPKWJH5TYGVHNC/bundle.json","state_url":"https://pith.science/pith/YYFU6NWXV5LTPPKWJH5TYGVHNC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YYFU6NWXV5LTPPKWJH5TYGVHNC/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":"2026-08-05T16:36:00Z","links":{"resolver":"https://pith.science/pith/YYFU6NWXV5LTPPKWJH5TYGVHNC","bundle":"https://pith.science/pith/YYFU6NWXV5LTPPKWJH5TYGVHNC/bundle.json","state":"https://pith.science/pith/YYFU6NWXV5LTPPKWJH5TYGVHNC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YYFU6NWXV5LTPPKWJH5TYGVHNC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:YYFU6NWXV5LTPPKWJH5TYGVHNC","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":"72ef27c1f98868cda5fd27529ecd99a3faee0401b02a63b0e41f96eea78e3971","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-11-10T15:13:35Z","title_canon_sha256":"1eaa3f29d87b1cf5431fd55bbbe225841fa1f0c889fea27832202cb0e8e27616"},"schema_version":"1.0","source":{"id":"2511.07181","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2511.07181","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"arxiv_version","alias_value":"2511.07181v1","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2511.07181","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"pith_short_12","alias_value":"YYFU6NWXV5LT","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"pith_short_16","alias_value":"YYFU6NWXV5LTPPKW","created_at":"2026-07-31T01:32:45Z"},{"alias_kind":"pith_short_8","alias_value":"YYFU6NWX","created_at":"2026-07-31T01:32:45Z"}],"graph_snapshots":[{"event_id":"sha256:69c77159004e6678e39eacc3530c6bd4fd44438716f92dbeefb898afc35eed40","target":"graph","created_at":"2026-07-31T01:32:45Z","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/2511.07181/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Magnetotransport underlines many important phenomena in condensed matter physics, such as the Hall effect and magnetoresistance (MR) effect. Thus far, most magnetotransport studies are based on bulk resistance measurements without direct access to microscopic details of the spatial transport pattern. Here, we report nanoscale imaging of magnetotransport using a scanning single-spin quantum magnetometer, which is demonstrated in a graphene-metal hybrid device at room temperature. By visualizing the current flow at elevated magnetic fields (~0.5 T), we directly observe the Lorentz deflection of ","authors_text":"C. Ding, C. L. Degen, K. Kohli, K. Watanabe, M. L. Palm, T. Taniguchi","cross_cats":["quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-11-10T15:13:35Z","title":"Direct imaging of magnetotransport at graphene-metal interfaces with a single-spin quantum sensor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2511.07181","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":"sha256:70920c4f85b103a905fa09651cb18d53b394bd1e3227eb56cbfc1780aeffc7f3","target":"record","created_at":"2026-07-31T01:32:45Z","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":"72ef27c1f98868cda5fd27529ecd99a3faee0401b02a63b0e41f96eea78e3971","cross_cats_sorted":["quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2025-11-10T15:13:35Z","title_canon_sha256":"1eaa3f29d87b1cf5431fd55bbbe225841fa1f0c889fea27832202cb0e8e27616"},"schema_version":"1.0","source":{"id":"2511.07181","kind":"arxiv","version":1}},"canonical_sha256":"c60b4f36d7af5737bd5649fb3c1aa7689ad924d1e0d57c2b28438441763404f3","receipt":{"builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c60b4f36d7af5737bd5649fb3c1aa7689ad924d1e0d57c2b28438441763404f3","first_computed_at":"2026-07-31T01:32:45.295186Z","kind":"pith_receipt","last_reissued_at":"2026-07-31T01:32:45.295186Z","receipt_version":"0.3","signature_status":"unsigned_v0"},"source_id":"2511.07181","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:70920c4f85b103a905fa09651cb18d53b394bd1e3227eb56cbfc1780aeffc7f3","sha256:69c77159004e6678e39eacc3530c6bd4fd44438716f92dbeefb898afc35eed40"],"state_sha256":"4fe267d22e0f522bd55554c948512110499605877ff09a318440b353cd016352"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H2sb7LB0ULECZcPOz9M66JI/IDrp+9t3pMDhzbvIk1u9ImL6p/eRXV6zNh8wRdz/aPjFjN+3zX8sAnHN5ziRDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T16:36:00.065987Z","bundle_sha256":"1f3909d860212a4fc890481d6c25ebe80253d15a12050e8f3fadda04a5f88427"}}