{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:DRRKYBREXPNIBMUQDSO5M2RJBD","short_pith_number":"pith:DRRKYBRE","canonical_record":{"source":{"id":"1210.1212","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-03T20:00:00Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"3da86ff4efa2e8c468ef9913b9916278700d8a2922c32755d8df6ac1d4731285","abstract_canon_sha256":"5ecb2cd051ee5252de44a6b8021f65769b8a639db7e6664d2cef6fbda2a328f4"},"schema_version":"1.0"},"canonical_sha256":"1c62ac0624bbda80b2901c9dd66a2908e0b9d91bca442b6730cf7401af194353","source":{"kind":"arxiv","id":"1210.1212","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1212","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1212v5","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1212","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"pith_short_12","alias_value":"DRRKYBREXPNI","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DRRKYBREXPNIBMUQ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DRRKYBRE","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:DRRKYBREXPNIBMUQDSO5M2RJBD","target":"record","payload":{"canonical_record":{"source":{"id":"1210.1212","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-03T20:00:00Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"title_canon_sha256":"3da86ff4efa2e8c468ef9913b9916278700d8a2922c32755d8df6ac1d4731285","abstract_canon_sha256":"5ecb2cd051ee5252de44a6b8021f65769b8a639db7e6664d2cef6fbda2a328f4"},"schema_version":"1.0"},"canonical_sha256":"1c62ac0624bbda80b2901c9dd66a2908e0b9d91bca442b6730cf7401af194353","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:36:36.436029Z","signature_b64":"2oUx1bnRWgvLWXd/ohq2Yd1Efg2SRC9vtlfZJLYDgGBxrIPPLxOVsHWDO/8840a8VKinD2bdLvPKXTxKNNM3BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c62ac0624bbda80b2901c9dd66a2908e0b9d91bca442b6730cf7401af194353","last_reissued_at":"2026-05-18T03:36:36.435290Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:36:36.435290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.1212","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:36:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cXtxmJB8HVKa3RCYC/EAkArVIS6AfEdExC6lyvXkRdofeO02S8o8yYGEvlf+ZCqKP9T6Y10dGDDgOMPZ66AHBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T06:28:45.569940Z"},"content_sha256":"5f991eee00d54a91e976a5ebee309c8ebf2c96dd957e70fd4c09a8e9b7b7c93d","schema_version":"1.0","event_id":"sha256:5f991eee00d54a91e976a5ebee309c8ebf2c96dd957e70fd4c09a8e9b7b7c93d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:DRRKYBREXPNIBMUQDSO5M2RJBD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant capacitance of a plane capacitor with a two-dimensional electron gas in a magnetic field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"primary_cat":"cond-mat.mes-hall","authors_text":"B. I. Shklovskii, Brian Skinner","submitted_at":"2012-10-03T20:00:00Z","abstract_excerpt":"If a clean two-dimensional electron gas (2DEG) with small concentration $n$ comprises one (or both) electrodes of a plane capacitor, the resulting capacitance $C$ can be larger than the \"geometric capacitance\" $C_g$ determined by the physical separation $d$ between electrodes. A recent paper [1] argued that when the effective Bohr radius $a_B$ of the 2DEG satisfies $a_B << d$, one can achieve $C >> C_g$ at low concentration $nd^2 << 1$. Here we show that even for devices with $a_B > d$, including graphene, for which $a_B$ is effectively infinite, one also arrives at $C >> C_g$ at low electron "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1212","kind":"arxiv","version":5},"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":"2026-05-18T03:36:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3d82jdVXlCkMobiaYyogL0zwk3XiXbu37khffOrolfuxOf6HHyvA1zE2+S+dUI/FbeL+wEcfs95OpZcvTUefCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-03T06:28:45.570283Z"},"content_sha256":"7e36bd54f36c92deeca280e75d2f22827ae777454f598c283c156a17f065b96e","schema_version":"1.0","event_id":"sha256:7e36bd54f36c92deeca280e75d2f22827ae777454f598c283c156a17f065b96e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DRRKYBREXPNIBMUQDSO5M2RJBD/bundle.json","state_url":"https://pith.science/pith/DRRKYBREXPNIBMUQDSO5M2RJBD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DRRKYBREXPNIBMUQDSO5M2RJBD/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":"2026-07-03T06:28:45Z","links":{"resolver":"https://pith.science/pith/DRRKYBREXPNIBMUQDSO5M2RJBD","bundle":"https://pith.science/pith/DRRKYBREXPNIBMUQDSO5M2RJBD/bundle.json","state":"https://pith.science/pith/DRRKYBREXPNIBMUQDSO5M2RJBD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DRRKYBREXPNIBMUQDSO5M2RJBD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:DRRKYBREXPNIBMUQDSO5M2RJBD","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":"5ecb2cd051ee5252de44a6b8021f65769b8a639db7e6664d2cef6fbda2a328f4","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-03T20:00:00Z","title_canon_sha256":"3da86ff4efa2e8c468ef9913b9916278700d8a2922c32755d8df6ac1d4731285"},"schema_version":"1.0","source":{"id":"1210.1212","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.1212","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"arxiv_version","alias_value":"1210.1212v5","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.1212","created_at":"2026-05-18T03:36:36Z"},{"alias_kind":"pith_short_12","alias_value":"DRRKYBREXPNI","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"DRRKYBREXPNIBMUQ","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"DRRKYBRE","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:7e36bd54f36c92deeca280e75d2f22827ae777454f598c283c156a17f065b96e","target":"graph","created_at":"2026-05-18T03:36:36Z","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":"If a clean two-dimensional electron gas (2DEG) with small concentration $n$ comprises one (or both) electrodes of a plane capacitor, the resulting capacitance $C$ can be larger than the \"geometric capacitance\" $C_g$ determined by the physical separation $d$ between electrodes. A recent paper [1] argued that when the effective Bohr radius $a_B$ of the 2DEG satisfies $a_B << d$, one can achieve $C >> C_g$ at low concentration $nd^2 << 1$. Here we show that even for devices with $a_B > d$, including graphene, for which $a_B$ is effectively infinite, one also arrives at $C >> C_g$ at low electron ","authors_text":"B. I. Shklovskii, Brian Skinner","cross_cats":["cond-mat.mtrl-sci","cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-03T20:00:00Z","title":"Giant capacitance of a plane capacitor with a two-dimensional electron gas in a magnetic field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.1212","kind":"arxiv","version":5},"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":"sha256:5f991eee00d54a91e976a5ebee309c8ebf2c96dd957e70fd4c09a8e9b7b7c93d","target":"record","created_at":"2026-05-18T03:36:36Z","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":"5ecb2cd051ee5252de44a6b8021f65769b8a639db7e6664d2cef6fbda2a328f4","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2012-10-03T20:00:00Z","title_canon_sha256":"3da86ff4efa2e8c468ef9913b9916278700d8a2922c32755d8df6ac1d4731285"},"schema_version":"1.0","source":{"id":"1210.1212","kind":"arxiv","version":5}},"canonical_sha256":"1c62ac0624bbda80b2901c9dd66a2908e0b9d91bca442b6730cf7401af194353","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c62ac0624bbda80b2901c9dd66a2908e0b9d91bca442b6730cf7401af194353","first_computed_at":"2026-05-18T03:36:36.435290Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:36:36.435290Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2oUx1bnRWgvLWXd/ohq2Yd1Efg2SRC9vtlfZJLYDgGBxrIPPLxOVsHWDO/8840a8VKinD2bdLvPKXTxKNNM3BA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:36:36.436029Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.1212","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f991eee00d54a91e976a5ebee309c8ebf2c96dd957e70fd4c09a8e9b7b7c93d","sha256:7e36bd54f36c92deeca280e75d2f22827ae777454f598c283c156a17f065b96e"],"state_sha256":"a503341c20cb79bc2df191234bd3ef1ae6432ee7a35bf66ea1169e7c17830faf"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1CNJc8AZTyCHgdKWE8Tc5qhDKUM+RLkNmyIqQ/7JQP0p7hgnx6jIyiOSsN+hLYgUzhyjRXjN+HfAP3VA5wWKAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-03T06:28:45.572231Z","bundle_sha256":"f980a962b9e9a493efd1571e640bba1b1f89d240dc684e77d92ea4bac4c446cc"}}