{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:NSP6ZO7VFQLAZES3PDTBMM5OZF","short_pith_number":"pith:NSP6ZO7V","canonical_record":{"source":{"id":"1110.6431","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-10-28T19:31:51Z","cross_cats_sorted":[],"title_canon_sha256":"f753dfb5f6e3c3e8abfa5d7fea921fcfe7b7e8b63eca050c49cbd3ccb0ca5577","abstract_canon_sha256":"d74785c8440c260dda04a2155ec91a70158e34a6b2f0ba55b531496c6fc8e4fd"},"schema_version":"1.0"},"canonical_sha256":"6c9fecbbf52c160c925b78e61633aec967d689ee96b3b11d88b09b7119091385","source":{"kind":"arxiv","id":"1110.6431","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.6431","created_at":"2026-05-18T03:15:03Z"},{"alias_kind":"arxiv_version","alias_value":"1110.6431v2","created_at":"2026-05-18T03:15:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.6431","created_at":"2026-05-18T03:15:03Z"},{"alias_kind":"pith_short_12","alias_value":"NSP6ZO7VFQLA","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NSP6ZO7VFQLAZES3","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NSP6ZO7V","created_at":"2026-05-18T12:26:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:NSP6ZO7VFQLAZES3PDTBMM5OZF","target":"record","payload":{"canonical_record":{"source":{"id":"1110.6431","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-10-28T19:31:51Z","cross_cats_sorted":[],"title_canon_sha256":"f753dfb5f6e3c3e8abfa5d7fea921fcfe7b7e8b63eca050c49cbd3ccb0ca5577","abstract_canon_sha256":"d74785c8440c260dda04a2155ec91a70158e34a6b2f0ba55b531496c6fc8e4fd"},"schema_version":"1.0"},"canonical_sha256":"6c9fecbbf52c160c925b78e61633aec967d689ee96b3b11d88b09b7119091385","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:15:03.611993Z","signature_b64":"hMsiSoKlLHDbOvnmGRrLIAacZmoISZLPec7TyGtA6zCrd8/Z8waGc4ZjTUmH29ou1/XY6891s7XpXJkKGSmICA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6c9fecbbf52c160c925b78e61633aec967d689ee96b3b11d88b09b7119091385","last_reissued_at":"2026-05-18T03:15:03.611105Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:15:03.611105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.6431","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":"2026-05-18T03:15:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hbxjLsvNTxGMBNBmcZJDXqwC1xJj9VtbtUuo35cZ/67zNuGskcNVUQrfiEhZH7aKZdpAZQzRcN4eY/fHeUkJAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T05:22:31.234904Z"},"content_sha256":"c7a0aa8ff50b69bad9e157ce7d359e5d91fbf122baaa82d44506d528cecbea4b","schema_version":"1.0","event_id":"sha256:c7a0aa8ff50b69bad9e157ce7d359e5d91fbf122baaa82d44506d528cecbea4b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:NSP6ZO7VFQLAZES3PDTBMM5OZF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Single-shot measurement of triplet-singlet relaxation in a Si/SiGe double quantum dot","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. B. Simmons, D. E. Savage, J. R. Prance, L. M. K. Vandersypen, L. R. Schreiber, M. A. Eriksson, Mark Friesen, M. G. Lagally, Robert Joynt, S. N. Coppersmith, Zhan Shi","submitted_at":"2011-10-28T19:31:51Z","abstract_excerpt":"We investigate the lifetime of two-electron spin states in a few-electron Si/SiGe double dot. At the transition between the (1,1) and (0,2) charge occupations, Pauli spin blockade provides a readout mechanism for the spin state. We use the statistics of repeated single-shot measurements to extract the lifetimes of multiple states simultaneously. At zero magnetic field, we find that all three triplet states have equal lifetimes, as expected, and this time is ~10 ms. At non-zero field, the T0 lifetime is unchanged, whereas the T- lifetime increases monotonically with field, reaching 3 seconds at"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.6431","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":"2026-05-18T03:15:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QveWWZJm9wl1GD45fdx1RgguyZRue78dPh/kISIyWxfG1qEaI4N0/UvZTEWBSZ2WBqtu4MJJ7A9cmAvdL6EuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T05:22:31.235301Z"},"content_sha256":"46988341e91c7d211642615dff0bb6cd5505654bee278ca58c58b8edaf522b8d","schema_version":"1.0","event_id":"sha256:46988341e91c7d211642615dff0bb6cd5505654bee278ca58c58b8edaf522b8d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NSP6ZO7VFQLAZES3PDTBMM5OZF/bundle.json","state_url":"https://pith.science/pith/NSP6ZO7VFQLAZES3PDTBMM5OZF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NSP6ZO7VFQLAZES3PDTBMM5OZF/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":"2026-05-19T05:22:31Z","links":{"resolver":"https://pith.science/pith/NSP6ZO7VFQLAZES3PDTBMM5OZF","bundle":"https://pith.science/pith/NSP6ZO7VFQLAZES3PDTBMM5OZF/bundle.json","state":"https://pith.science/pith/NSP6ZO7VFQLAZES3PDTBMM5OZF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NSP6ZO7VFQLAZES3PDTBMM5OZF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:NSP6ZO7VFQLAZES3PDTBMM5OZF","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":"d74785c8440c260dda04a2155ec91a70158e34a6b2f0ba55b531496c6fc8e4fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-10-28T19:31:51Z","title_canon_sha256":"f753dfb5f6e3c3e8abfa5d7fea921fcfe7b7e8b63eca050c49cbd3ccb0ca5577"},"schema_version":"1.0","source":{"id":"1110.6431","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.6431","created_at":"2026-05-18T03:15:03Z"},{"alias_kind":"arxiv_version","alias_value":"1110.6431v2","created_at":"2026-05-18T03:15:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.6431","created_at":"2026-05-18T03:15:03Z"},{"alias_kind":"pith_short_12","alias_value":"NSP6ZO7VFQLA","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_16","alias_value":"NSP6ZO7VFQLAZES3","created_at":"2026-05-18T12:26:37Z"},{"alias_kind":"pith_short_8","alias_value":"NSP6ZO7V","created_at":"2026-05-18T12:26:37Z"}],"graph_snapshots":[{"event_id":"sha256:46988341e91c7d211642615dff0bb6cd5505654bee278ca58c58b8edaf522b8d","target":"graph","created_at":"2026-05-18T03:15:03Z","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 lifetime of two-electron spin states in a few-electron Si/SiGe double dot. At the transition between the (1,1) and (0,2) charge occupations, Pauli spin blockade provides a readout mechanism for the spin state. We use the statistics of repeated single-shot measurements to extract the lifetimes of multiple states simultaneously. At zero magnetic field, we find that all three triplet states have equal lifetimes, as expected, and this time is ~10 ms. At non-zero field, the T0 lifetime is unchanged, whereas the T- lifetime increases monotonically with field, reaching 3 seconds at","authors_text":"C. B. Simmons, D. E. Savage, J. R. Prance, L. M. K. Vandersypen, L. R. Schreiber, M. A. Eriksson, Mark Friesen, M. G. Lagally, Robert Joynt, S. N. Coppersmith, Zhan Shi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-10-28T19:31:51Z","title":"Single-shot measurement of triplet-singlet relaxation in a Si/SiGe double quantum dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.6431","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:c7a0aa8ff50b69bad9e157ce7d359e5d91fbf122baaa82d44506d528cecbea4b","target":"record","created_at":"2026-05-18T03:15:03Z","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":"d74785c8440c260dda04a2155ec91a70158e34a6b2f0ba55b531496c6fc8e4fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2011-10-28T19:31:51Z","title_canon_sha256":"f753dfb5f6e3c3e8abfa5d7fea921fcfe7b7e8b63eca050c49cbd3ccb0ca5577"},"schema_version":"1.0","source":{"id":"1110.6431","kind":"arxiv","version":2}},"canonical_sha256":"6c9fecbbf52c160c925b78e61633aec967d689ee96b3b11d88b09b7119091385","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6c9fecbbf52c160c925b78e61633aec967d689ee96b3b11d88b09b7119091385","first_computed_at":"2026-05-18T03:15:03.611105Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:15:03.611105Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hMsiSoKlLHDbOvnmGRrLIAacZmoISZLPec7TyGtA6zCrd8/Z8waGc4ZjTUmH29ou1/XY6891s7XpXJkKGSmICA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:15:03.611993Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.6431","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c7a0aa8ff50b69bad9e157ce7d359e5d91fbf122baaa82d44506d528cecbea4b","sha256:46988341e91c7d211642615dff0bb6cd5505654bee278ca58c58b8edaf522b8d"],"state_sha256":"4dff24d2fed1a39dbfbd5fe1cbd4495b24c855b76bec1ff80a4d7819d453568b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TC0YPDLAaLSv+yzveUDfK4APhqeTOGrYuZn5S/IVoCqlGcgE9dmY3NAV6xO7RkSLraPKA31+x6irvkMq7jBgBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T05:22:31.236509Z","bundle_sha256":"f83f6cbbe5a3de481229d75525dd13da02185a87cae8355f11628c15b71cbb45"}}