{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:77RNIYBZMGO7EADEQPVIU564VP","short_pith_number":"pith:77RNIYBZ","canonical_record":{"source":{"id":"2002.05065","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-12T16:10:57Z","cross_cats_sorted":[],"title_canon_sha256":"9939b05b6ce308ec8db4ddf38050352cdad06fa87228a6af5c9a4d1c1d229984","abstract_canon_sha256":"b515c1245ed7348828a767e1070b2310b834aacaf50e23c3dac45c4f2f609ff3"},"schema_version":"1.0"},"canonical_sha256":"ffe2d46039619df2006483ea8a77dcabdb1f987130bb2a2bd451657b7642bb8d","source":{"kind":"arxiv","id":"2002.05065","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.05065","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"arxiv_version","alias_value":"2002.05065v3","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.05065","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"pith_short_12","alias_value":"77RNIYBZMGO7","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"pith_short_16","alias_value":"77RNIYBZMGO7EADE","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"pith_short_8","alias_value":"77RNIYBZ","created_at":"2026-07-05T00:47:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:77RNIYBZMGO7EADEQPVIU564VP","target":"record","payload":{"canonical_record":{"source":{"id":"2002.05065","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-12T16:10:57Z","cross_cats_sorted":[],"title_canon_sha256":"9939b05b6ce308ec8db4ddf38050352cdad06fa87228a6af5c9a4d1c1d229984","abstract_canon_sha256":"b515c1245ed7348828a767e1070b2310b834aacaf50e23c3dac45c4f2f609ff3"},"schema_version":"1.0"},"canonical_sha256":"ffe2d46039619df2006483ea8a77dcabdb1f987130bb2a2bd451657b7642bb8d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:47:40.814450Z","signature_b64":"+nzcE3dooxgf3m8NfLlX4JP1Ng4ncIs9sfyhae4mhopulqecui2ywFDD02mGx9wJ+29PuxVXv7VqOwXn8aNIDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ffe2d46039619df2006483ea8a77dcabdb1f987130bb2a2bd451657b7642bb8d","last_reissued_at":"2026-07-05T00:47:40.814001Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:47:40.814001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.05065","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T00:47:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CrN0ngYPa4Dvu5DBV1wHOhz8/Xw6P1bk9Xr/DGR0Iy9OxeGUby1H635azcKgKQYCtZLFJ94TabrHdjXZypw1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:00:14.647594Z"},"content_sha256":"260f2c6d08a47635ca60ca7bfb890356af571f51760f5e999d367113961d84ab","schema_version":"1.0","event_id":"sha256:260f2c6d08a47635ca60ca7bfb890356af571f51760f5e999d367113961d84ab"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:77RNIYBZMGO7EADEQPVIU564VP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Imaging the breakdown of ohmic transport in graphene","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"A. C. Bleszynski Jayich, A. F. Young, A. Jenkins, A. Lucas, D. Yang, H. Zhou, K. Watanabe, S. A. Meynell, S. Baumann, T. Taniguchi","submitted_at":"2020-02-12T16:10:57Z","abstract_excerpt":"Ohm's law describes the proportionality of current density and electric field. In solid-state conductors, Ohm's law emerges due to electron scattering processes that relax the electrical current. Here, we use nitrogen-vacancy center magnetometry to directly image the local breakdown of Ohm's law in a narrow constriction fabricated in a high mobility graphene monolayer. Ohmic flow is visible at room temperature as current concentration on the constriction edges, with flow profiles entirely determined by sample geometry. However, as the temperature is lowered below 200 K, the current concentrate"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.05065","kind":"arxiv","version":3},"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/2002.05065/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":"2026-07-05T00:47:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"e+wik+VMAzOvj1rtYuwyFftRUX2G6cu0c+/78oG0hF7aB7qOYDJjPaMO0/FvM9RNYADDlUvxKgC8V9axWkUpCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T11:00:14.648133Z"},"content_sha256":"d55dd3d9a69300cd1c15df37ad8c906c27298d7dafef4179d22f36fd83eb8871","schema_version":"1.0","event_id":"sha256:d55dd3d9a69300cd1c15df37ad8c906c27298d7dafef4179d22f36fd83eb8871"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/77RNIYBZMGO7EADEQPVIU564VP/bundle.json","state_url":"https://pith.science/pith/77RNIYBZMGO7EADEQPVIU564VP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/77RNIYBZMGO7EADEQPVIU564VP/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":"2026-08-05T11:00:14Z","links":{"resolver":"https://pith.science/pith/77RNIYBZMGO7EADEQPVIU564VP","bundle":"https://pith.science/pith/77RNIYBZMGO7EADEQPVIU564VP/bundle.json","state":"https://pith.science/pith/77RNIYBZMGO7EADEQPVIU564VP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/77RNIYBZMGO7EADEQPVIU564VP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:77RNIYBZMGO7EADEQPVIU564VP","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":"b515c1245ed7348828a767e1070b2310b834aacaf50e23c3dac45c4f2f609ff3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-12T16:10:57Z","title_canon_sha256":"9939b05b6ce308ec8db4ddf38050352cdad06fa87228a6af5c9a4d1c1d229984"},"schema_version":"1.0","source":{"id":"2002.05065","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.05065","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"arxiv_version","alias_value":"2002.05065v3","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.05065","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"pith_short_12","alias_value":"77RNIYBZMGO7","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"pith_short_16","alias_value":"77RNIYBZMGO7EADE","created_at":"2026-07-05T00:47:40Z"},{"alias_kind":"pith_short_8","alias_value":"77RNIYBZ","created_at":"2026-07-05T00:47:40Z"}],"graph_snapshots":[{"event_id":"sha256:d55dd3d9a69300cd1c15df37ad8c906c27298d7dafef4179d22f36fd83eb8871","target":"graph","created_at":"2026-07-05T00:47:40Z","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/2002.05065/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Ohm's law describes the proportionality of current density and electric field. In solid-state conductors, Ohm's law emerges due to electron scattering processes that relax the electrical current. Here, we use nitrogen-vacancy center magnetometry to directly image the local breakdown of Ohm's law in a narrow constriction fabricated in a high mobility graphene monolayer. Ohmic flow is visible at room temperature as current concentration on the constriction edges, with flow profiles entirely determined by sample geometry. However, as the temperature is lowered below 200 K, the current concentrate","authors_text":"A. C. Bleszynski Jayich, A. F. Young, A. Jenkins, A. Lucas, D. Yang, H. Zhou, K. Watanabe, S. A. Meynell, S. Baumann, T. Taniguchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-12T16:10:57Z","title":"Imaging the breakdown of ohmic transport in graphene"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.05065","kind":"arxiv","version":3},"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":"sha256:260f2c6d08a47635ca60ca7bfb890356af571f51760f5e999d367113961d84ab","target":"record","created_at":"2026-07-05T00:47:40Z","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":"b515c1245ed7348828a767e1070b2310b834aacaf50e23c3dac45c4f2f609ff3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-02-12T16:10:57Z","title_canon_sha256":"9939b05b6ce308ec8db4ddf38050352cdad06fa87228a6af5c9a4d1c1d229984"},"schema_version":"1.0","source":{"id":"2002.05065","kind":"arxiv","version":3}},"canonical_sha256":"ffe2d46039619df2006483ea8a77dcabdb1f987130bb2a2bd451657b7642bb8d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ffe2d46039619df2006483ea8a77dcabdb1f987130bb2a2bd451657b7642bb8d","first_computed_at":"2026-07-05T00:47:40.814001Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:47:40.814001Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+nzcE3dooxgf3m8NfLlX4JP1Ng4ncIs9sfyhae4mhopulqecui2ywFDD02mGx9wJ+29PuxVXv7VqOwXn8aNIDw==","signature_status":"signed_v1","signed_at":"2026-07-05T00:47:40.814450Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.05065","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:260f2c6d08a47635ca60ca7bfb890356af571f51760f5e999d367113961d84ab","sha256:d55dd3d9a69300cd1c15df37ad8c906c27298d7dafef4179d22f36fd83eb8871"],"state_sha256":"4d084b366dfd66ae76a7a7b4f493a1ff29ba54706ef6e6e806dda1eecf251951"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3gS3i1oc1FZh2E6XNUg+Z6B+tn4vosXhDAogbE09nOUlTOoeYl9VbGJN+HDuUVCi+KZZlJs/f4JTToLqWpbRAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T11:00:14.651907Z","bundle_sha256":"00c0057c37b7b647cef5a51d8ad1f398d7fe637ffd691d4a8c069554a55ca7c1"}}