{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:GIL53BXQIOR67X3BAOV5AMDKYU","short_pith_number":"pith:GIL53BXQ","canonical_record":{"source":{"id":"0909.2857","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-15T19:32:49Z","cross_cats_sorted":[],"title_canon_sha256":"06d5119a70650883739fdb2d6ce89719bedeb17a908aed5d88ec5a6973a2d5cb","abstract_canon_sha256":"f4da38e7fa8311af4437ae2b6a0ad92490e3e8611bb1ec7bb0fa22b374450908"},"schema_version":"1.0"},"canonical_sha256":"3217dd86f043a3efdf6103abd0306ac500bbe6c3da29a95375f7f5f7b5e334c4","source":{"kind":"arxiv","id":"0909.2857","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.2857","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"arxiv_version","alias_value":"0909.2857v1","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.2857","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"pith_short_12","alias_value":"GIL53BXQIOR6","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"GIL53BXQIOR67X3B","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"GIL53BXQ","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:GIL53BXQIOR67X3BAOV5AMDKYU","target":"record","payload":{"canonical_record":{"source":{"id":"0909.2857","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-15T19:32:49Z","cross_cats_sorted":[],"title_canon_sha256":"06d5119a70650883739fdb2d6ce89719bedeb17a908aed5d88ec5a6973a2d5cb","abstract_canon_sha256":"f4da38e7fa8311af4437ae2b6a0ad92490e3e8611bb1ec7bb0fa22b374450908"},"schema_version":"1.0"},"canonical_sha256":"3217dd86f043a3efdf6103abd0306ac500bbe6c3da29a95375f7f5f7b5e334c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:23:57.707540Z","signature_b64":"S3f+CqurK6o77fVHZrnIklsPj+iUuriPwETyJYSqNXdNTLQXdGDdcp3qhOMgyt0yoUPhQQ0zCUFEwgH59NlSCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3217dd86f043a3efdf6103abd0306ac500bbe6c3da29a95375f7f5f7b5e334c4","last_reissued_at":"2026-05-18T03:23:57.707056Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:23:57.707056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0909.2857","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":"2026-05-18T03:23:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ihsbHK2Nc9ejTaFt4XhTxmAiI1FXk1+ZkSNwcWXyyUO9CPvpDlSXDvjJySoFLeUlI8cJc2gx/wh+UMz8J5yyCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:15:46.038219Z"},"content_sha256":"dab95fcdba537b4914d37cdf2eadc0eab74c3d804468f16542f8ffdd986afa0d","schema_version":"1.0","event_id":"sha256:dab95fcdba537b4914d37cdf2eadc0eab74c3d804468f16542f8ffdd986afa0d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:GIL53BXQIOR67X3BAOV5AMDKYU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Measurement of the Spin Relaxation Time of Single Electrons in a Silicon MOS-Based Quantum Dot","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"H. W. Jiang, M. G. House, M. Xiao","submitted_at":"2009-09-15T19:32:49Z","abstract_excerpt":"We report on measurements of the spin relaxation time T1 of individual electron spins in the few electron regime of a Si/SiO2-based quantum dot (QD). Energy-spectroscopy of the QD has been performed using a charge sensing technique. The spin relaxation times are subsequently measured in the time-domain by a pump-and-probe method. For the QD that contains an unpaired spin, likely only a single electron, we find that T1 depends strongly on the applied magnetic field. Possible mechanisms leading to the observed spin relaxation are discussed."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.2857","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":"2026-05-18T03:23:57Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A6rZklMs92mrMQX/NPX1+ZVOSoAnZWFeZ7kNBPNd/t2mwJo6z+tscgNviJf7gwzH6MA75/mVjSeDnHoPjeJMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:15:46.038600Z"},"content_sha256":"ecb62ba34dd0e80aa0777b961348a8f3c96ad06bfd387d58db18b90f9f8cf9e3","schema_version":"1.0","event_id":"sha256:ecb62ba34dd0e80aa0777b961348a8f3c96ad06bfd387d58db18b90f9f8cf9e3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GIL53BXQIOR67X3BAOV5AMDKYU/bundle.json","state_url":"https://pith.science/pith/GIL53BXQIOR67X3BAOV5AMDKYU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GIL53BXQIOR67X3BAOV5AMDKYU/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":"2026-05-27T21:15:46Z","links":{"resolver":"https://pith.science/pith/GIL53BXQIOR67X3BAOV5AMDKYU","bundle":"https://pith.science/pith/GIL53BXQIOR67X3BAOV5AMDKYU/bundle.json","state":"https://pith.science/pith/GIL53BXQIOR67X3BAOV5AMDKYU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GIL53BXQIOR67X3BAOV5AMDKYU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:GIL53BXQIOR67X3BAOV5AMDKYU","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":"f4da38e7fa8311af4437ae2b6a0ad92490e3e8611bb1ec7bb0fa22b374450908","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-15T19:32:49Z","title_canon_sha256":"06d5119a70650883739fdb2d6ce89719bedeb17a908aed5d88ec5a6973a2d5cb"},"schema_version":"1.0","source":{"id":"0909.2857","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0909.2857","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"arxiv_version","alias_value":"0909.2857v1","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0909.2857","created_at":"2026-05-18T03:23:57Z"},{"alias_kind":"pith_short_12","alias_value":"GIL53BXQIOR6","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"GIL53BXQIOR67X3B","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"GIL53BXQ","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:ecb62ba34dd0e80aa0777b961348a8f3c96ad06bfd387d58db18b90f9f8cf9e3","target":"graph","created_at":"2026-05-18T03:23:57Z","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 report on measurements of the spin relaxation time T1 of individual electron spins in the few electron regime of a Si/SiO2-based quantum dot (QD). Energy-spectroscopy of the QD has been performed using a charge sensing technique. The spin relaxation times are subsequently measured in the time-domain by a pump-and-probe method. For the QD that contains an unpaired spin, likely only a single electron, we find that T1 depends strongly on the applied magnetic field. Possible mechanisms leading to the observed spin relaxation are discussed.","authors_text":"H. W. Jiang, M. G. House, M. Xiao","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-15T19:32:49Z","title":"Measurement of the Spin Relaxation Time of Single Electrons in a Silicon MOS-Based Quantum Dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0909.2857","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:dab95fcdba537b4914d37cdf2eadc0eab74c3d804468f16542f8ffdd986afa0d","target":"record","created_at":"2026-05-18T03:23:57Z","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":"f4da38e7fa8311af4437ae2b6a0ad92490e3e8611bb1ec7bb0fa22b374450908","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2009-09-15T19:32:49Z","title_canon_sha256":"06d5119a70650883739fdb2d6ce89719bedeb17a908aed5d88ec5a6973a2d5cb"},"schema_version":"1.0","source":{"id":"0909.2857","kind":"arxiv","version":1}},"canonical_sha256":"3217dd86f043a3efdf6103abd0306ac500bbe6c3da29a95375f7f5f7b5e334c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3217dd86f043a3efdf6103abd0306ac500bbe6c3da29a95375f7f5f7b5e334c4","first_computed_at":"2026-05-18T03:23:57.707056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:23:57.707056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S3f+CqurK6o77fVHZrnIklsPj+iUuriPwETyJYSqNXdNTLQXdGDdcp3qhOMgyt0yoUPhQQ0zCUFEwgH59NlSCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:23:57.707540Z","signed_message":"canonical_sha256_bytes"},"source_id":"0909.2857","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dab95fcdba537b4914d37cdf2eadc0eab74c3d804468f16542f8ffdd986afa0d","sha256:ecb62ba34dd0e80aa0777b961348a8f3c96ad06bfd387d58db18b90f9f8cf9e3"],"state_sha256":"17f1e3da3d9314152282030da47b101269a23bb900884b9c9525284347c55441"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iiHzUQfCdq0ZWghzOGpi2D0+EinUCxUBQl4hou89tMh8b1p+45pbiZzz79HR3gw+ZpI708ScYLKbNS3KHoUbAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:15:46.041557Z","bundle_sha256":"b0c140bb6ff7f1f8507542865bd796f078248aa12633a84d866db69a15101134"}}