{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:DWIGXQBG537ULTLF6EIRSUYBDP","short_pith_number":"pith:DWIGXQBG","canonical_record":{"source":{"id":"0810.4268","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-10-23T14:16:44Z","cross_cats_sorted":[],"title_canon_sha256":"d665a13055bad3abbbebbe4346a4387160cad2598b5fe143d3b144bf6b7c4899","abstract_canon_sha256":"598b0a8c8e4a304354bf9c0f9c0949bde6b811b1b1e4c7e122123703735196fc"},"schema_version":"1.0"},"canonical_sha256":"1d906bc026eeff45cd65f1111953011bd18fe7a1752f6c0edf6894f960a7a4bd","source":{"kind":"arxiv","id":"0810.4268","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.4268","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"arxiv_version","alias_value":"0810.4268v3","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.4268","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"pith_short_12","alias_value":"DWIGXQBG537U","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"DWIGXQBG537ULTLF","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"DWIGXQBG","created_at":"2026-05-18T12:25:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:DWIGXQBG537ULTLF6EIRSUYBDP","target":"record","payload":{"canonical_record":{"source":{"id":"0810.4268","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-10-23T14:16:44Z","cross_cats_sorted":[],"title_canon_sha256":"d665a13055bad3abbbebbe4346a4387160cad2598b5fe143d3b144bf6b7c4899","abstract_canon_sha256":"598b0a8c8e4a304354bf9c0f9c0949bde6b811b1b1e4c7e122123703735196fc"},"schema_version":"1.0"},"canonical_sha256":"1d906bc026eeff45cd65f1111953011bd18fe7a1752f6c0edf6894f960a7a4bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:23.508551Z","signature_b64":"C3YJjNiOlrUo7pZLR8SdOeaq1D49dhqNvOdeASyJlyBMS+e4iRZ50k8nfMji8n3xxepZ2uTDW1Vmr1q1A4ZcCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d906bc026eeff45cd65f1111953011bd18fe7a1752f6c0edf6894f960a7a4bd","last_reissued_at":"2026-05-18T02:15:23.507773Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:23.507773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0810.4268","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":"2026-05-18T02:15:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GkZvCJZfFmZ+sjZmqvu5gNeR2aDgkUzwo5aZ2Z2qtrBzLY1vzycPeV+b9uNXHFthshsgkWu91MbLHB48kSMDDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T07:51:49.922871Z"},"content_sha256":"c72146174fafdc261a38407a9cbab4278876adc195ef7f00c1216af0d71a79d2","schema_version":"1.0","event_id":"sha256:c72146174fafdc261a38407a9cbab4278876adc195ef7f00c1216af0d71a79d2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:DWIGXQBG537ULTLF6EIRSUYBDP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Electron spin blockade and singlet-triplet transition in a silicon single electron transistor","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"Binhui Hu, C.H. Yang (Department of Electrical, Computer Engineering, University of Maryland at College Park)","submitted_at":"2008-10-23T14:16:44Z","abstract_excerpt":"We investigate a silicon single-electron transistor (SET) in a metal-oxide-semiconductor (MOS) structure by applying a magnetic field perpendicular to the sample surface. The quantum dot is defined electrostatically in a point contact channel and by the potential barriers from negatively charged interface traps. The magnetic field dependence of the excitation spectrum is primarily driven by the Zeeman effect. In the two-electron singlet-triplet (ST) transition, electron-electron Coulomb interaction plays a significant role. The evolution of Coulomb blockade peaks with magnetic field B is also "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.4268","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":""},"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":"2026-05-18T02:15:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mfddGud8bTgctEiej4pwUWuHkquXsi/l7rSvCuR0v0V15JiumzIVopKivhRLiHEEH4Gu8fPBcOMpolf/1G9BAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T07:51:49.923207Z"},"content_sha256":"879f57d4083ff8e22a46b68a5eafc540b640e688107ee2911be51e2a37e65ad9","schema_version":"1.0","event_id":"sha256:879f57d4083ff8e22a46b68a5eafc540b640e688107ee2911be51e2a37e65ad9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DWIGXQBG537ULTLF6EIRSUYBDP/bundle.json","state_url":"https://pith.science/pith/DWIGXQBG537ULTLF6EIRSUYBDP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DWIGXQBG537ULTLF6EIRSUYBDP/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":"2026-06-26T07:51:49Z","links":{"resolver":"https://pith.science/pith/DWIGXQBG537ULTLF6EIRSUYBDP","bundle":"https://pith.science/pith/DWIGXQBG537ULTLF6EIRSUYBDP/bundle.json","state":"https://pith.science/pith/DWIGXQBG537ULTLF6EIRSUYBDP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DWIGXQBG537ULTLF6EIRSUYBDP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:DWIGXQBG537ULTLF6EIRSUYBDP","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":"598b0a8c8e4a304354bf9c0f9c0949bde6b811b1b1e4c7e122123703735196fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-10-23T14:16:44Z","title_canon_sha256":"d665a13055bad3abbbebbe4346a4387160cad2598b5fe143d3b144bf6b7c4899"},"schema_version":"1.0","source":{"id":"0810.4268","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0810.4268","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"arxiv_version","alias_value":"0810.4268v3","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0810.4268","created_at":"2026-05-18T02:15:23Z"},{"alias_kind":"pith_short_12","alias_value":"DWIGXQBG537U","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_16","alias_value":"DWIGXQBG537ULTLF","created_at":"2026-05-18T12:25:57Z"},{"alias_kind":"pith_short_8","alias_value":"DWIGXQBG","created_at":"2026-05-18T12:25:57Z"}],"graph_snapshots":[{"event_id":"sha256:879f57d4083ff8e22a46b68a5eafc540b640e688107ee2911be51e2a37e65ad9","target":"graph","created_at":"2026-05-18T02:15:23Z","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 a silicon single-electron transistor (SET) in a metal-oxide-semiconductor (MOS) structure by applying a magnetic field perpendicular to the sample surface. The quantum dot is defined electrostatically in a point contact channel and by the potential barriers from negatively charged interface traps. The magnetic field dependence of the excitation spectrum is primarily driven by the Zeeman effect. In the two-electron singlet-triplet (ST) transition, electron-electron Coulomb interaction plays a significant role. The evolution of Coulomb blockade peaks with magnetic field B is also ","authors_text":"Binhui Hu, C.H. Yang (Department of Electrical, Computer Engineering, University of Maryland at College Park)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-10-23T14:16:44Z","title":"Electron spin blockade and singlet-triplet transition in a silicon single electron transistor"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0810.4268","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:c72146174fafdc261a38407a9cbab4278876adc195ef7f00c1216af0d71a79d2","target":"record","created_at":"2026-05-18T02:15:23Z","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":"598b0a8c8e4a304354bf9c0f9c0949bde6b811b1b1e4c7e122123703735196fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2008-10-23T14:16:44Z","title_canon_sha256":"d665a13055bad3abbbebbe4346a4387160cad2598b5fe143d3b144bf6b7c4899"},"schema_version":"1.0","source":{"id":"0810.4268","kind":"arxiv","version":3}},"canonical_sha256":"1d906bc026eeff45cd65f1111953011bd18fe7a1752f6c0edf6894f960a7a4bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d906bc026eeff45cd65f1111953011bd18fe7a1752f6c0edf6894f960a7a4bd","first_computed_at":"2026-05-18T02:15:23.507773Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:23.507773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"C3YJjNiOlrUo7pZLR8SdOeaq1D49dhqNvOdeASyJlyBMS+e4iRZ50k8nfMji8n3xxepZ2uTDW1Vmr1q1A4ZcCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:23.508551Z","signed_message":"canonical_sha256_bytes"},"source_id":"0810.4268","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c72146174fafdc261a38407a9cbab4278876adc195ef7f00c1216af0d71a79d2","sha256:879f57d4083ff8e22a46b68a5eafc540b640e688107ee2911be51e2a37e65ad9"],"state_sha256":"019e507046fc99967128e7d3e9f87c85d4c3e51ba655cf1f347e540fd7b04eef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z/hKGrEFXl28cIPJZxZylaH4TC5sb+PaFvUxQBrZxfyeFq8pBsL7CZWSExR72bALVvW7h0kaHnEfU9dhRXKvBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T07:51:49.925037Z","bundle_sha256":"695cee05d33568dffd11a31301ddf1a95578507fb8b434df6da372a41bdc530b"}}