{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:WWPZCDDPARC7BGVRNXXFY7OTZF","short_pith_number":"pith:WWPZCDDP","canonical_record":{"source":{"id":"2110.13051","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-25T15:44:17Z","cross_cats_sorted":[],"title_canon_sha256":"08ca6d036a985ab8ece573b58a58d59e88d079a4fc9f768fc2af86b7e5d902bb","abstract_canon_sha256":"21f2dcf60d6e21a96c1ed23872bfe18dfff594e5209091a89d7606312faf7037"},"schema_version":"1.0"},"canonical_sha256":"b59f910c6f0445f09ab16dee5c7dd3c94aeee30d9f876c7bde3296574ba1f65b","source":{"kind":"arxiv","id":"2110.13051","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.13051","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"arxiv_version","alias_value":"2110.13051v3","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.13051","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"pith_short_12","alias_value":"WWPZCDDPARC7","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"pith_short_16","alias_value":"WWPZCDDPARC7BGVR","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"pith_short_8","alias_value":"WWPZCDDP","created_at":"2026-07-05T04:35:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:WWPZCDDPARC7BGVRNXXFY7OTZF","target":"record","payload":{"canonical_record":{"source":{"id":"2110.13051","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-25T15:44:17Z","cross_cats_sorted":[],"title_canon_sha256":"08ca6d036a985ab8ece573b58a58d59e88d079a4fc9f768fc2af86b7e5d902bb","abstract_canon_sha256":"21f2dcf60d6e21a96c1ed23872bfe18dfff594e5209091a89d7606312faf7037"},"schema_version":"1.0"},"canonical_sha256":"b59f910c6f0445f09ab16dee5c7dd3c94aeee30d9f876c7bde3296574ba1f65b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:35:09.566238Z","signature_b64":"6Cr7OSVZWrZ0z4zK4TZ2Y3tvvVfps1GmS2FGp9mny5gVmqojIaA4zof1EnSFNTO5CxdxYwLeBgxCxjuwotKKDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b59f910c6f0445f09ab16dee5c7dd3c94aeee30d9f876c7bde3296574ba1f65b","last_reissued_at":"2026-07-05T04:35:09.565737Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:35:09.565737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.13051","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":"2026-07-05T04:35:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PRSsfPIBERr2UA0XQQ0b+FOC/K+wCbSSUck1oy4AtjZykTscBwcKdqYO5J/abds7g42OVJeCYbIWaeuN82LTCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:33:05.846386Z"},"content_sha256":"f5063ad6e907ad1d3522d0ccf8085f48805ad362121e1d627bbddac228190b84","schema_version":"1.0","event_id":"sha256:f5063ad6e907ad1d3522d0ccf8085f48805ad362121e1d627bbddac228190b84"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:WWPZCDDPARC7BGVRNXXFY7OTZF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin relaxation in a single-electron graphene quantum dot","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mes-hall","authors_text":"C. Stampfer, C. Volk, E. Icking, K. Hecker, K. Watanabe, L. Banszerus, S. M\\\"oller, T. Taniguchi","submitted_at":"2021-10-25T15:44:17Z","abstract_excerpt":"The relaxation time of a single-electron spin is an important parameter for solid-state spin qubits, as it directly limits the lifetime of the encoded information. Thanks to the low spin-orbit interaction and low hyperfine coupling, graphene and bilayer graphene (BLG) have long been considered promising platforms for spin qubits. Only recently, it has become possible to control single-electrons in BLG quantum dots (QDs) and to understand their spin-valley texture, while the relaxation dynamics have remained mostly unexplored. Here, we report spin relaxation times ($T_1$) of single-electron sta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.13051","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2110.13051/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T04:35:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rv0qgtGwYbtk33x8cY/QKhNXTVCTmfAYry4qOuspsA+4FSgiOKgozILd1aG5skjVT+jREOBzs/05hxBILIP1DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T09:33:05.846878Z"},"content_sha256":"4cf719ba68c9b9d4b7da0e22352a4d8ced81838e8aecf4d8c3bc47f5ae2f2fc1","schema_version":"1.0","event_id":"sha256:4cf719ba68c9b9d4b7da0e22352a4d8ced81838e8aecf4d8c3bc47f5ae2f2fc1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WWPZCDDPARC7BGVRNXXFY7OTZF/bundle.json","state_url":"https://pith.science/pith/WWPZCDDPARC7BGVRNXXFY7OTZF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WWPZCDDPARC7BGVRNXXFY7OTZF/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":"2026-08-05T09:33:05Z","links":{"resolver":"https://pith.science/pith/WWPZCDDPARC7BGVRNXXFY7OTZF","bundle":"https://pith.science/pith/WWPZCDDPARC7BGVRNXXFY7OTZF/bundle.json","state":"https://pith.science/pith/WWPZCDDPARC7BGVRNXXFY7OTZF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WWPZCDDPARC7BGVRNXXFY7OTZF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WWPZCDDPARC7BGVRNXXFY7OTZF","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":"21f2dcf60d6e21a96c1ed23872bfe18dfff594e5209091a89d7606312faf7037","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-25T15:44:17Z","title_canon_sha256":"08ca6d036a985ab8ece573b58a58d59e88d079a4fc9f768fc2af86b7e5d902bb"},"schema_version":"1.0","source":{"id":"2110.13051","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.13051","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"arxiv_version","alias_value":"2110.13051v3","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.13051","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"pith_short_12","alias_value":"WWPZCDDPARC7","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"pith_short_16","alias_value":"WWPZCDDPARC7BGVR","created_at":"2026-07-05T04:35:09Z"},{"alias_kind":"pith_short_8","alias_value":"WWPZCDDP","created_at":"2026-07-05T04:35:09Z"}],"graph_snapshots":[{"event_id":"sha256:4cf719ba68c9b9d4b7da0e22352a4d8ced81838e8aecf4d8c3bc47f5ae2f2fc1","target":"graph","created_at":"2026-07-05T04:35:09Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2110.13051/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The relaxation time of a single-electron spin is an important parameter for solid-state spin qubits, as it directly limits the lifetime of the encoded information. Thanks to the low spin-orbit interaction and low hyperfine coupling, graphene and bilayer graphene (BLG) have long been considered promising platforms for spin qubits. Only recently, it has become possible to control single-electrons in BLG quantum dots (QDs) and to understand their spin-valley texture, while the relaxation dynamics have remained mostly unexplored. Here, we report spin relaxation times ($T_1$) of single-electron sta","authors_text":"C. Stampfer, C. Volk, E. Icking, K. Hecker, K. Watanabe, L. Banszerus, S. M\\\"oller, T. Taniguchi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-25T15:44:17Z","title":"Spin relaxation in a single-electron graphene quantum dot"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.13051","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:f5063ad6e907ad1d3522d0ccf8085f48805ad362121e1d627bbddac228190b84","target":"record","created_at":"2026-07-05T04:35:09Z","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":"21f2dcf60d6e21a96c1ed23872bfe18dfff594e5209091a89d7606312faf7037","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mes-hall","submitted_at":"2021-10-25T15:44:17Z","title_canon_sha256":"08ca6d036a985ab8ece573b58a58d59e88d079a4fc9f768fc2af86b7e5d902bb"},"schema_version":"1.0","source":{"id":"2110.13051","kind":"arxiv","version":3}},"canonical_sha256":"b59f910c6f0445f09ab16dee5c7dd3c94aeee30d9f876c7bde3296574ba1f65b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b59f910c6f0445f09ab16dee5c7dd3c94aeee30d9f876c7bde3296574ba1f65b","first_computed_at":"2026-07-05T04:35:09.565737Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:35:09.565737Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6Cr7OSVZWrZ0z4zK4TZ2Y3tvvVfps1GmS2FGp9mny5gVmqojIaA4zof1EnSFNTO5CxdxYwLeBgxCxjuwotKKDg==","signature_status":"signed_v1","signed_at":"2026-07-05T04:35:09.566238Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.13051","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5063ad6e907ad1d3522d0ccf8085f48805ad362121e1d627bbddac228190b84","sha256:4cf719ba68c9b9d4b7da0e22352a4d8ced81838e8aecf4d8c3bc47f5ae2f2fc1"],"state_sha256":"58ea10477b26898b7b1be328e867f9d61e74ebf67fe38c2aa51f536acf341f70"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UQ2Qhz9PMZUGVukJjUVEIV5OzocNwt5VkoZsLZB3cA8HDynyPIGMtpAQr2mnp4HgyUb1LrDv0bSUyh3cIQD1Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T09:33:05.851444Z","bundle_sha256":"e86168526c2f314fdac6ef09a2c65359d277bc3a9170f2a3f0ab8d51bae248ab"}}