{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:7NWL5ZW6YUI7Y4FJ4YH3RF33XK","short_pith_number":"pith:7NWL5ZW6","canonical_record":{"source":{"id":"2011.10198","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-11-20T04:12:08Z","cross_cats_sorted":[],"title_canon_sha256":"a2c5f0bcfcb6c158a21155fe6d3bd6cc540593b8ead5bf7941a5e7c7edf7bdc6","abstract_canon_sha256":"d62926aa246556f89c3d0ef8daacc725c3becc84052608def0a148e98e2e1631"},"schema_version":"1.0"},"canonical_sha256":"fb6cbee6dec511fc70a9e60fb8977bbaa5ff949c54de2cf7627c452d563645f7","source":{"kind":"arxiv","id":"2011.10198","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.10198","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"arxiv_version","alias_value":"2011.10198v2","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.10198","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"pith_short_12","alias_value":"7NWL5ZW6YUI7","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"pith_short_16","alias_value":"7NWL5ZW6YUI7Y4FJ","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"pith_short_8","alias_value":"7NWL5ZW6","created_at":"2026-07-05T02:24:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:7NWL5ZW6YUI7Y4FJ4YH3RF33XK","target":"record","payload":{"canonical_record":{"source":{"id":"2011.10198","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-11-20T04:12:08Z","cross_cats_sorted":[],"title_canon_sha256":"a2c5f0bcfcb6c158a21155fe6d3bd6cc540593b8ead5bf7941a5e7c7edf7bdc6","abstract_canon_sha256":"d62926aa246556f89c3d0ef8daacc725c3becc84052608def0a148e98e2e1631"},"schema_version":"1.0"},"canonical_sha256":"fb6cbee6dec511fc70a9e60fb8977bbaa5ff949c54de2cf7627c452d563645f7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:24:52.548662Z","signature_b64":"qspzhuuO7nbP/4mUXqg3j7WL38Rt0hgKhdAPXnHl5hE+VZYmWUnGtwY5Rtl5oarcUYPka5TKomJSMADcVl4RCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fb6cbee6dec511fc70a9e60fb8977bbaa5ff949c54de2cf7627c452d563645f7","last_reissued_at":"2026-07-05T02:24:52.548197Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:24:52.548197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2011.10198","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":"2026-07-05T02:24:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KeYXUNBjnk/xzoV0Lm6MWkuqxDoY0wTJtQmobTn7hDBsvj+2OYTMpr9JsXsntQLKzWNe9u03wk42c4k1AnIrCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T16:36:00.296484Z"},"content_sha256":"a5acb1ba6bb2d194634e18dfa3e705d3af9d2ac2e49ec16ad73155e0e25c62ee","schema_version":"1.0","event_id":"sha256:a5acb1ba6bb2d194634e18dfa3e705d3af9d2ac2e49ec16ad73155e0e25c62ee"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:7NWL5ZW6YUI7Y4FJ4YH3RF33XK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dual-gated graphene devices for near-field nano-imaging","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Alexander S. McLeod, Cheng Tan, Chiu Fan Bowen Lo, Cory R. Dean, Dmitri N. Basov, Dorri Halbertal, Guangxin Ni, Hyobin Yoo, James C. Hone, Nathan R. Finney, Nicola Curreli, Philip Kim, Rebecca Engelke, Sai S. Sunku","submitted_at":"2020-11-20T04:12:08Z","abstract_excerpt":"Graphene-based heterostructures display a variety of phenomena that are strongly tunable by electrostatic local gates. Monolayer graphene (MLG) exhibits tunable surface plasmon polaritons, as revealed by scanning nano-infrared experiments. In bilayer graphene (BLG), an electronic gap is induced by a perpendicular displacement field. Gapped BLG is predicted to display unusual effects such as plasmon amplification and domain wall plasmons with significantly larger lifetime than MLG. Furthermore, a variety of correlated electronic phases highly sensitive to displacement fields have been observed "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.10198","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2011.10198/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":"2026-07-05T02:24:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4j8t/mMeIElVNrfj5ddysM0mtT0684hGVCJXoXHXSnU2ruBcoXBULTuQfaIDNTtDDJh+dpb/JOAlqOeJPgxfBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-22T16:36:00.296869Z"},"content_sha256":"04db621ffb5c49d9f38ea27930ad3947d27df311bcdd5c25d3e1696392809977","schema_version":"1.0","event_id":"sha256:04db621ffb5c49d9f38ea27930ad3947d27df311bcdd5c25d3e1696392809977"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7NWL5ZW6YUI7Y4FJ4YH3RF33XK/bundle.json","state_url":"https://pith.science/pith/7NWL5ZW6YUI7Y4FJ4YH3RF33XK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7NWL5ZW6YUI7Y4FJ4YH3RF33XK/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":"2026-07-22T16:36:00Z","links":{"resolver":"https://pith.science/pith/7NWL5ZW6YUI7Y4FJ4YH3RF33XK","bundle":"https://pith.science/pith/7NWL5ZW6YUI7Y4FJ4YH3RF33XK/bundle.json","state":"https://pith.science/pith/7NWL5ZW6YUI7Y4FJ4YH3RF33XK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7NWL5ZW6YUI7Y4FJ4YH3RF33XK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:7NWL5ZW6YUI7Y4FJ4YH3RF33XK","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":"d62926aa246556f89c3d0ef8daacc725c3becc84052608def0a148e98e2e1631","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-11-20T04:12:08Z","title_canon_sha256":"a2c5f0bcfcb6c158a21155fe6d3bd6cc540593b8ead5bf7941a5e7c7edf7bdc6"},"schema_version":"1.0","source":{"id":"2011.10198","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2011.10198","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"arxiv_version","alias_value":"2011.10198v2","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2011.10198","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"pith_short_12","alias_value":"7NWL5ZW6YUI7","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"pith_short_16","alias_value":"7NWL5ZW6YUI7Y4FJ","created_at":"2026-07-05T02:24:52Z"},{"alias_kind":"pith_short_8","alias_value":"7NWL5ZW6","created_at":"2026-07-05T02:24:52Z"}],"graph_snapshots":[{"event_id":"sha256:04db621ffb5c49d9f38ea27930ad3947d27df311bcdd5c25d3e1696392809977","target":"graph","created_at":"2026-07-05T02:24:52Z","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/2011.10198/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Graphene-based heterostructures display a variety of phenomena that are strongly tunable by electrostatic local gates. Monolayer graphene (MLG) exhibits tunable surface plasmon polaritons, as revealed by scanning nano-infrared experiments. In bilayer graphene (BLG), an electronic gap is induced by a perpendicular displacement field. Gapped BLG is predicted to display unusual effects such as plasmon amplification and domain wall plasmons with significantly larger lifetime than MLG. Furthermore, a variety of correlated electronic phases highly sensitive to displacement fields have been observed ","authors_text":"Alexander S. McLeod, Cheng Tan, Chiu Fan Bowen Lo, Cory R. Dean, Dmitri N. Basov, Dorri Halbertal, Guangxin Ni, Hyobin Yoo, James C. Hone, Nathan R. Finney, Nicola Curreli, Philip Kim, Rebecca Engelke, Sai S. Sunku","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-11-20T04:12:08Z","title":"Dual-gated graphene devices for near-field nano-imaging"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2011.10198","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:a5acb1ba6bb2d194634e18dfa3e705d3af9d2ac2e49ec16ad73155e0e25c62ee","target":"record","created_at":"2026-07-05T02:24:52Z","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":"d62926aa246556f89c3d0ef8daacc725c3becc84052608def0a148e98e2e1631","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2020-11-20T04:12:08Z","title_canon_sha256":"a2c5f0bcfcb6c158a21155fe6d3bd6cc540593b8ead5bf7941a5e7c7edf7bdc6"},"schema_version":"1.0","source":{"id":"2011.10198","kind":"arxiv","version":2}},"canonical_sha256":"fb6cbee6dec511fc70a9e60fb8977bbaa5ff949c54de2cf7627c452d563645f7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fb6cbee6dec511fc70a9e60fb8977bbaa5ff949c54de2cf7627c452d563645f7","first_computed_at":"2026-07-05T02:24:52.548197Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:24:52.548197Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qspzhuuO7nbP/4mUXqg3j7WL38Rt0hgKhdAPXnHl5hE+VZYmWUnGtwY5Rtl5oarcUYPka5TKomJSMADcVl4RCA==","signature_status":"signed_v1","signed_at":"2026-07-05T02:24:52.548662Z","signed_message":"canonical_sha256_bytes"},"source_id":"2011.10198","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a5acb1ba6bb2d194634e18dfa3e705d3af9d2ac2e49ec16ad73155e0e25c62ee","sha256:04db621ffb5c49d9f38ea27930ad3947d27df311bcdd5c25d3e1696392809977"],"state_sha256":"a6dd40ab862e53e49fb6ffcf08bd257c242f1080372b6995e693efc94726ceee"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DzTQEOuhkDpZQ8ey3qfyz8cFAoRSL+ZZrHxQOEXz95QZCGXAeNHIWtR4l/xmM7CvpsLZDeebd6RQH0Tgbv0iDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-22T16:36:00.299383Z","bundle_sha256":"4c48ab7892980c066a009c78aa79ad9a92ec8e96357bd46d7bb01c0ceeff4320"}}