{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:K4Q6BS54I5MTINW2RATXE5G4YV","short_pith_number":"pith:K4Q6BS54","canonical_record":{"source":{"id":"1112.4345","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-12-19T14:21:25Z","cross_cats_sorted":[],"title_canon_sha256":"2a35731bef88205443f31505d4675cdff77a8711be98dbf43fec3becd963287f","abstract_canon_sha256":"be9b955b049cb8572784defc18b7bc52fe22c1ac5543e0e9a65c8b5952cabac6"},"schema_version":"1.0"},"canonical_sha256":"5721e0cbbc47593436da88277274dcc5435e844ebe0e0fecfc7e63c07284607e","source":{"kind":"arxiv","id":"1112.4345","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.4345","created_at":"2026-05-18T01:59:05Z"},{"alias_kind":"arxiv_version","alias_value":"1112.4345v2","created_at":"2026-05-18T01:59:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.4345","created_at":"2026-05-18T01:59:05Z"},{"alias_kind":"pith_short_12","alias_value":"K4Q6BS54I5MT","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"K4Q6BS54I5MTINW2","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"K4Q6BS54","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:K4Q6BS54I5MTINW2RATXE5G4YV","target":"record","payload":{"canonical_record":{"source":{"id":"1112.4345","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-12-19T14:21:25Z","cross_cats_sorted":[],"title_canon_sha256":"2a35731bef88205443f31505d4675cdff77a8711be98dbf43fec3becd963287f","abstract_canon_sha256":"be9b955b049cb8572784defc18b7bc52fe22c1ac5543e0e9a65c8b5952cabac6"},"schema_version":"1.0"},"canonical_sha256":"5721e0cbbc47593436da88277274dcc5435e844ebe0e0fecfc7e63c07284607e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:05.649209Z","signature_b64":"ypATM/0jWwK+mwzqJL2obSDqcGJVbxJPps5AFWSLCgMXxR1ajg3N/hoQwxpAkow14m65PzHl/gf6cm7r8LpXAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5721e0cbbc47593436da88277274dcc5435e844ebe0e0fecfc7e63c07284607e","last_reissued_at":"2026-05-18T01:59:05.648610Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:05.648610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.4345","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":"2026-05-18T01:59:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yyICLZA9iVBz3qA3qgVKYaXD6CcsZ1pbpYGiKOe/4CgkOu57Zwx6TL9k+pqpmgaY6fk46kAxoml1Y5fB1an0DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T08:28:21.131923Z"},"content_sha256":"562bd07615ab8bf8296d13c67729fc0d0dfb486e141b563bbce27a26ba4c19cd","schema_version":"1.0","event_id":"sha256:562bd07615ab8bf8296d13c67729fc0d0dfb486e141b563bbce27a26ba4c19cd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:K4Q6BS54I5MTINW2RATXE5G4YV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum-Hall plateau-plateau transition in top-gated epitaxial graphene grown on SiC (0001)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Adam T. Neal, Jiangjiang Gu, Lloyd W. Engel, Michael A. Capano, Michael L. Bolen, Peide Ye, Tian Shen","submitted_at":"2011-12-19T14:21:25Z","abstract_excerpt":"We investigate the low-temperature magneto-transport properties of monolayer epitaxial graphene films formed on the Si-face of semi-insulating 4H-SiC substrates by a high temperature sublimation process. A high-k top-gate on the epitaxial graphene is realized by inserting a fully oxidized nanometer thin aluminum film as a seeding layer, followed by an atomic layer deposition process. At low temperatures, the devices demonstrate a strong field effect by the top gate with an on/off ratio of ~7 and an electron mobility up to ~3250 cm^2/Vs. After the observation of the half-integer quantum Hall ef"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.4345","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":""},"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":"2026-05-18T01:59:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1DQdFXfxqBMg6tuoIiOheG8U0MITjWKOcRpjX0puoK/mgp/G3auX+M6FkOdYwOnwYi6jEd1nOle+GH4abvXsCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T08:28:21.132264Z"},"content_sha256":"5dd324c091d0e1de27ef7c2b87f62858642899420e81c705dd0465ef6fed357c","schema_version":"1.0","event_id":"sha256:5dd324c091d0e1de27ef7c2b87f62858642899420e81c705dd0465ef6fed357c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K4Q6BS54I5MTINW2RATXE5G4YV/bundle.json","state_url":"https://pith.science/pith/K4Q6BS54I5MTINW2RATXE5G4YV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K4Q6BS54I5MTINW2RATXE5G4YV/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":"2026-06-02T08:28:21Z","links":{"resolver":"https://pith.science/pith/K4Q6BS54I5MTINW2RATXE5G4YV","bundle":"https://pith.science/pith/K4Q6BS54I5MTINW2RATXE5G4YV/bundle.json","state":"https://pith.science/pith/K4Q6BS54I5MTINW2RATXE5G4YV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K4Q6BS54I5MTINW2RATXE5G4YV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:K4Q6BS54I5MTINW2RATXE5G4YV","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":"be9b955b049cb8572784defc18b7bc52fe22c1ac5543e0e9a65c8b5952cabac6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-12-19T14:21:25Z","title_canon_sha256":"2a35731bef88205443f31505d4675cdff77a8711be98dbf43fec3becd963287f"},"schema_version":"1.0","source":{"id":"1112.4345","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.4345","created_at":"2026-05-18T01:59:05Z"},{"alias_kind":"arxiv_version","alias_value":"1112.4345v2","created_at":"2026-05-18T01:59:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.4345","created_at":"2026-05-18T01:59:05Z"},{"alias_kind":"pith_short_12","alias_value":"K4Q6BS54I5MT","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"K4Q6BS54I5MTINW2","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"K4Q6BS54","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:5dd324c091d0e1de27ef7c2b87f62858642899420e81c705dd0465ef6fed357c","target":"graph","created_at":"2026-05-18T01:59:05Z","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":"We investigate the low-temperature magneto-transport properties of monolayer epitaxial graphene films formed on the Si-face of semi-insulating 4H-SiC substrates by a high temperature sublimation process. A high-k top-gate on the epitaxial graphene is realized by inserting a fully oxidized nanometer thin aluminum film as a seeding layer, followed by an atomic layer deposition process. At low temperatures, the devices demonstrate a strong field effect by the top gate with an on/off ratio of ~7 and an electron mobility up to ~3250 cm^2/Vs. After the observation of the half-integer quantum Hall ef","authors_text":"Adam T. Neal, Jiangjiang Gu, Lloyd W. Engel, Michael A. Capano, Michael L. Bolen, Peide Ye, Tian Shen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-12-19T14:21:25Z","title":"Quantum-Hall plateau-plateau transition in top-gated epitaxial graphene grown on SiC (0001)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.4345","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":"sha256:562bd07615ab8bf8296d13c67729fc0d0dfb486e141b563bbce27a26ba4c19cd","target":"record","created_at":"2026-05-18T01:59:05Z","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":"be9b955b049cb8572784defc18b7bc52fe22c1ac5543e0e9a65c8b5952cabac6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-12-19T14:21:25Z","title_canon_sha256":"2a35731bef88205443f31505d4675cdff77a8711be98dbf43fec3becd963287f"},"schema_version":"1.0","source":{"id":"1112.4345","kind":"arxiv","version":2}},"canonical_sha256":"5721e0cbbc47593436da88277274dcc5435e844ebe0e0fecfc7e63c07284607e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5721e0cbbc47593436da88277274dcc5435e844ebe0e0fecfc7e63c07284607e","first_computed_at":"2026-05-18T01:59:05.648610Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:05.648610Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ypATM/0jWwK+mwzqJL2obSDqcGJVbxJPps5AFWSLCgMXxR1ajg3N/hoQwxpAkow14m65PzHl/gf6cm7r8LpXAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:05.649209Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.4345","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:562bd07615ab8bf8296d13c67729fc0d0dfb486e141b563bbce27a26ba4c19cd","sha256:5dd324c091d0e1de27ef7c2b87f62858642899420e81c705dd0465ef6fed357c"],"state_sha256":"260f2de9fab80bd5c72aac0ab36daa2a4d32326e11c4d358c769c1c63f4b9f2c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1RGP9CtJtNVOavPnElA8NkQyxDQcHFHx6DXW8z9WXDS9oAh7NmPIY9B+k9/lh8uNln77A3TupZqj8mb0yWrhCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T08:28:21.134212Z","bundle_sha256":"8224afb6e235a1eeb5b676f7e74093ef397e833c05b7138dbf9350710000430f"}}