{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:I4Q6BMWVPHQ2PUVRCN77WJNNXH","short_pith_number":"pith:I4Q6BMWV","canonical_record":{"source":{"id":"1011.5347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-24T11:42:00Z","cross_cats_sorted":[],"title_canon_sha256":"978333e5397bbf324fcc057353654446fa6592bb1e3e49b9846873d54c3b32b0","abstract_canon_sha256":"f868885f12366c4fc8a5a9fbf95b17305579216545a1e2aa3a598c9c38add72f"},"schema_version":"1.0"},"canonical_sha256":"4721e0b2d579e1a7d2b1137ffb25adb9f93c6894ee64d658537ebb918ecc276c","source":{"kind":"arxiv","id":"1011.5347","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.5347","created_at":"2026-05-18T02:04:41Z"},{"alias_kind":"arxiv_version","alias_value":"1011.5347v1","created_at":"2026-05-18T02:04:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.5347","created_at":"2026-05-18T02:04:41Z"},{"alias_kind":"pith_short_12","alias_value":"I4Q6BMWVPHQ2","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"I4Q6BMWVPHQ2PUVR","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"I4Q6BMWV","created_at":"2026-05-18T12:26:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:I4Q6BMWVPHQ2PUVRCN77WJNNXH","target":"record","payload":{"canonical_record":{"source":{"id":"1011.5347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-24T11:42:00Z","cross_cats_sorted":[],"title_canon_sha256":"978333e5397bbf324fcc057353654446fa6592bb1e3e49b9846873d54c3b32b0","abstract_canon_sha256":"f868885f12366c4fc8a5a9fbf95b17305579216545a1e2aa3a598c9c38add72f"},"schema_version":"1.0"},"canonical_sha256":"4721e0b2d579e1a7d2b1137ffb25adb9f93c6894ee64d658537ebb918ecc276c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:04:41.480703Z","signature_b64":"84HPDrCtQvn0BY4GS9fpSgb1Z12bAGZRw3aJx3QtrT1e94ixKIome68zJZrafYHneaoIKZ00bKFgmO4eIGseAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4721e0b2d579e1a7d2b1137ffb25adb9f93c6894ee64d658537ebb918ecc276c","last_reissued_at":"2026-05-18T02:04:41.479971Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:04:41.479971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.5347","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":"2026-05-18T02:04:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yltgqPjXxBr/nQ17fGbmefaQfPoR23r+sF4UtG40LfEhEENgUrwYuKbIi9aNT+c8LAOp0jKns5yyHM1UAjuvCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T19:32:31.794531Z"},"content_sha256":"81bd5905280cd2400fcb2f94ab9d9645120384f9a6dbc7b93ed9158a7bfb7edd","schema_version":"1.0","event_id":"sha256:81bd5905280cd2400fcb2f94ab9d9645120384f9a6dbc7b93ed9158a7bfb7edd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:I4Q6BMWVPHQ2PUVRCN77WJNNXH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Molecule States in a Gate Tunable Graphene Double Quantum Dot","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. Zhou, G. Cao, G. C. Guo, G. P. Guo, H. O. Li, L. J. Wang, T. Tu, X. J. Hao, Z. Su","submitted_at":"2010-11-24T11:42:00Z","abstract_excerpt":"We have measured a graphene double quantum dot device with multiple electrostatic gates that are used to enhance control to investigate it. At low temperatures the transport measurements reveal honeycomb charge stability diagrams which can be tuned from weak to strong interdot tunnel coupling regimes. We precisely extract a large interdot tunnel coupling strength for this system allowing for the observation of tunnel-coupled molecular states extending over the whole double dot. This clean, highly controllable system serves as an essential building block for quantum devices in a nuclear-spin-fr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.5347","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":""},"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":"2026-05-18T02:04:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZXxNLSCFExQ1SQRcJbBQBXyBSzFoq+TiXWfByeDbqzqamY5PCdBM3o7+V91H+1CJu9NANlCPJcx74pAqFbOyCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T19:32:31.794879Z"},"content_sha256":"f1421e299024b8de0d2491ad5820a14e7810bf39c5194b9dde56111e3ba17b9f","schema_version":"1.0","event_id":"sha256:f1421e299024b8de0d2491ad5820a14e7810bf39c5194b9dde56111e3ba17b9f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I4Q6BMWVPHQ2PUVRCN77WJNNXH/bundle.json","state_url":"https://pith.science/pith/I4Q6BMWVPHQ2PUVRCN77WJNNXH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I4Q6BMWVPHQ2PUVRCN77WJNNXH/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":"2026-06-22T19:32:31Z","links":{"resolver":"https://pith.science/pith/I4Q6BMWVPHQ2PUVRCN77WJNNXH","bundle":"https://pith.science/pith/I4Q6BMWVPHQ2PUVRCN77WJNNXH/bundle.json","state":"https://pith.science/pith/I4Q6BMWVPHQ2PUVRCN77WJNNXH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I4Q6BMWVPHQ2PUVRCN77WJNNXH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:I4Q6BMWVPHQ2PUVRCN77WJNNXH","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":"f868885f12366c4fc8a5a9fbf95b17305579216545a1e2aa3a598c9c38add72f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-24T11:42:00Z","title_canon_sha256":"978333e5397bbf324fcc057353654446fa6592bb1e3e49b9846873d54c3b32b0"},"schema_version":"1.0","source":{"id":"1011.5347","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.5347","created_at":"2026-05-18T02:04:41Z"},{"alias_kind":"arxiv_version","alias_value":"1011.5347v1","created_at":"2026-05-18T02:04:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.5347","created_at":"2026-05-18T02:04:41Z"},{"alias_kind":"pith_short_12","alias_value":"I4Q6BMWVPHQ2","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_16","alias_value":"I4Q6BMWVPHQ2PUVR","created_at":"2026-05-18T12:26:07Z"},{"alias_kind":"pith_short_8","alias_value":"I4Q6BMWV","created_at":"2026-05-18T12:26:07Z"}],"graph_snapshots":[{"event_id":"sha256:f1421e299024b8de0d2491ad5820a14e7810bf39c5194b9dde56111e3ba17b9f","target":"graph","created_at":"2026-05-18T02:04:41Z","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 have measured a graphene double quantum dot device with multiple electrostatic gates that are used to enhance control to investigate it. At low temperatures the transport measurements reveal honeycomb charge stability diagrams which can be tuned from weak to strong interdot tunnel coupling regimes. We precisely extract a large interdot tunnel coupling strength for this system allowing for the observation of tunnel-coupled molecular states extending over the whole double dot. This clean, highly controllable system serves as an essential building block for quantum devices in a nuclear-spin-fr","authors_text":"C. Zhou, G. Cao, G. C. Guo, G. P. Guo, H. O. Li, L. J. Wang, T. Tu, X. J. Hao, Z. Su","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-24T11:42:00Z","title":"Molecule States in a Gate Tunable Graphene Double Quantum Dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.5347","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":"sha256:81bd5905280cd2400fcb2f94ab9d9645120384f9a6dbc7b93ed9158a7bfb7edd","target":"record","created_at":"2026-05-18T02:04:41Z","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":"f868885f12366c4fc8a5a9fbf95b17305579216545a1e2aa3a598c9c38add72f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2010-11-24T11:42:00Z","title_canon_sha256":"978333e5397bbf324fcc057353654446fa6592bb1e3e49b9846873d54c3b32b0"},"schema_version":"1.0","source":{"id":"1011.5347","kind":"arxiv","version":1}},"canonical_sha256":"4721e0b2d579e1a7d2b1137ffb25adb9f93c6894ee64d658537ebb918ecc276c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4721e0b2d579e1a7d2b1137ffb25adb9f93c6894ee64d658537ebb918ecc276c","first_computed_at":"2026-05-18T02:04:41.479971Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:04:41.479971Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"84HPDrCtQvn0BY4GS9fpSgb1Z12bAGZRw3aJx3QtrT1e94ixKIome68zJZrafYHneaoIKZ00bKFgmO4eIGseAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:04:41.480703Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.5347","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81bd5905280cd2400fcb2f94ab9d9645120384f9a6dbc7b93ed9158a7bfb7edd","sha256:f1421e299024b8de0d2491ad5820a14e7810bf39c5194b9dde56111e3ba17b9f"],"state_sha256":"d89a621eb8c6877723bed04373d6f751f5d49b05810dd0ab2bb1814adcbf3602"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c0I4KsVIkWapZp11UMr9X0MfoeGwNd1QwFA8GXIu2B3In+U0yseEmOWxSLEdnytB5ghmE0DCQ3zuH3sJtLf+CA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T19:32:31.796837Z","bundle_sha256":"ee69f217fbaf5da6f978045cef09cc247049da66781d3cabc3d1eba44f79b86f"}}