{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:JLQ5QVOTIYR6USHBPUIWGOPJ6H","short_pith_number":"pith:JLQ5QVOT","canonical_record":{"source":{"id":"1104.4648","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-24T19:48:44Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"7ddb558e766befd65102a5ce52f4b7f5bdaa95b92d9952c4a11e168245b8e6bd","abstract_canon_sha256":"8910fa64b4ae14b6bf6c62fb29a34e563090fe8afc62d94a3ed0199f46d16149"},"schema_version":"1.0"},"canonical_sha256":"4ae1d855d34623ea48e17d116339e9f1f377ce6c57f605676f09980783c1562e","source":{"kind":"arxiv","id":"1104.4648","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4648","created_at":"2026-05-18T03:55:35Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4648v2","created_at":"2026-05-18T03:55:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4648","created_at":"2026-05-18T03:55:35Z"},{"alias_kind":"pith_short_12","alias_value":"JLQ5QVOTIYR6","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JLQ5QVOTIYR6USHB","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JLQ5QVOT","created_at":"2026-05-18T12:26:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:JLQ5QVOTIYR6USHBPUIWGOPJ6H","target":"record","payload":{"canonical_record":{"source":{"id":"1104.4648","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-24T19:48:44Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"7ddb558e766befd65102a5ce52f4b7f5bdaa95b92d9952c4a11e168245b8e6bd","abstract_canon_sha256":"8910fa64b4ae14b6bf6c62fb29a34e563090fe8afc62d94a3ed0199f46d16149"},"schema_version":"1.0"},"canonical_sha256":"4ae1d855d34623ea48e17d116339e9f1f377ce6c57f605676f09980783c1562e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:55:35.678963Z","signature_b64":"UG6B1qI66jtZlBnob0QWok40Fv9123NS1jZ68kO5D+E/hh3CTnDa9PnvrslEgeogCrR39CpNPxUjpwRDZ9AWDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ae1d855d34623ea48e17d116339e9f1f377ce6c57f605676f09980783c1562e","last_reissued_at":"2026-05-18T03:55:35.678412Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:55:35.678412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.4648","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":"2026-05-18T03:55:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PGT8nIQhtoxWNDQN5KRp0+JNnKKg3AgiIoeMzdhCw5BA6GFkk+ONhbFAg2TZj3xaUvcXrGAdEOg3w8rbD5lPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:01:29.238344Z"},"content_sha256":"66db43922a2ad08431856962da2916432a8c87ff1658f0498e6410b6b3e430b8","schema_version":"1.0","event_id":"sha256:66db43922a2ad08431856962da2916432a8c87ff1658f0498e6410b6b3e430b8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:JLQ5QVOTIYR6USHBPUIWGOPJ6H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Controlling the quantum dynamics of a mesoscopic spin bath in diamond","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"quant-ph","authors_text":"G. de Lange, M. S. Blok, R. Hanson, T. van der Sar, V. V. Dobrovitski, Z. H. Wang","submitted_at":"2011-04-24T19:48:44Z","abstract_excerpt":"Understanding and mitigating decoherence is a key challenge for quantum science and technology. The main source of decoherence for solid-state spin systems is the uncontrolled spin bath environment. Here, we demonstrate quantum control of a mesoscopic spin bath in diamond at room temperature that is composed of electron spins of substitutional nitrogen impurities. The resulting spin bath dynamics are probed using a single nitrogen-vacancy (NV) centre electron spin as a magnetic field sensor. We exploit the spin bath control to dynamically suppress dephasing of the NV spin by the spin bath. Fur"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4648","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":"2026-05-18T03:55:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WMaIOpLaiSBGLLy1M5krnORBYYGthWHROX6uXBkbQ5nc7qwYkg/bgYfBMieupiK3a6Ms4J8N6zVHtG7S8KkyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T13:01:29.238701Z"},"content_sha256":"1bf74822f20b140f30a8e1ec475d42f71f8340d5c2fe424267602ad0e6ae1c5b","schema_version":"1.0","event_id":"sha256:1bf74822f20b140f30a8e1ec475d42f71f8340d5c2fe424267602ad0e6ae1c5b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JLQ5QVOTIYR6USHBPUIWGOPJ6H/bundle.json","state_url":"https://pith.science/pith/JLQ5QVOTIYR6USHBPUIWGOPJ6H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JLQ5QVOTIYR6USHBPUIWGOPJ6H/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":"2026-05-28T13:01:29Z","links":{"resolver":"https://pith.science/pith/JLQ5QVOTIYR6USHBPUIWGOPJ6H","bundle":"https://pith.science/pith/JLQ5QVOTIYR6USHBPUIWGOPJ6H/bundle.json","state":"https://pith.science/pith/JLQ5QVOTIYR6USHBPUIWGOPJ6H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JLQ5QVOTIYR6USHBPUIWGOPJ6H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:JLQ5QVOTIYR6USHBPUIWGOPJ6H","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":"8910fa64b4ae14b6bf6c62fb29a34e563090fe8afc62d94a3ed0199f46d16149","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-24T19:48:44Z","title_canon_sha256":"7ddb558e766befd65102a5ce52f4b7f5bdaa95b92d9952c4a11e168245b8e6bd"},"schema_version":"1.0","source":{"id":"1104.4648","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4648","created_at":"2026-05-18T03:55:35Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4648v2","created_at":"2026-05-18T03:55:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4648","created_at":"2026-05-18T03:55:35Z"},{"alias_kind":"pith_short_12","alias_value":"JLQ5QVOTIYR6","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_16","alias_value":"JLQ5QVOTIYR6USHB","created_at":"2026-05-18T12:26:32Z"},{"alias_kind":"pith_short_8","alias_value":"JLQ5QVOT","created_at":"2026-05-18T12:26:32Z"}],"graph_snapshots":[{"event_id":"sha256:1bf74822f20b140f30a8e1ec475d42f71f8340d5c2fe424267602ad0e6ae1c5b","target":"graph","created_at":"2026-05-18T03:55:35Z","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":"Understanding and mitigating decoherence is a key challenge for quantum science and technology. The main source of decoherence for solid-state spin systems is the uncontrolled spin bath environment. Here, we demonstrate quantum control of a mesoscopic spin bath in diamond at room temperature that is composed of electron spins of substitutional nitrogen impurities. The resulting spin bath dynamics are probed using a single nitrogen-vacancy (NV) centre electron spin as a magnetic field sensor. We exploit the spin bath control to dynamically suppress dephasing of the NV spin by the spin bath. Fur","authors_text":"G. de Lange, M. S. Blok, R. Hanson, T. van der Sar, V. V. Dobrovitski, Z. H. Wang","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-24T19:48:44Z","title":"Controlling the quantum dynamics of a mesoscopic spin bath in diamond"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4648","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":"sha256:66db43922a2ad08431856962da2916432a8c87ff1658f0498e6410b6b3e430b8","target":"record","created_at":"2026-05-18T03:55:35Z","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":"8910fa64b4ae14b6bf6c62fb29a34e563090fe8afc62d94a3ed0199f46d16149","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2011-04-24T19:48:44Z","title_canon_sha256":"7ddb558e766befd65102a5ce52f4b7f5bdaa95b92d9952c4a11e168245b8e6bd"},"schema_version":"1.0","source":{"id":"1104.4648","kind":"arxiv","version":2}},"canonical_sha256":"4ae1d855d34623ea48e17d116339e9f1f377ce6c57f605676f09980783c1562e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ae1d855d34623ea48e17d116339e9f1f377ce6c57f605676f09980783c1562e","first_computed_at":"2026-05-18T03:55:35.678412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:55:35.678412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UG6B1qI66jtZlBnob0QWok40Fv9123NS1jZ68kO5D+E/hh3CTnDa9PnvrslEgeogCrR39CpNPxUjpwRDZ9AWDw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:55:35.678963Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.4648","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66db43922a2ad08431856962da2916432a8c87ff1658f0498e6410b6b3e430b8","sha256:1bf74822f20b140f30a8e1ec475d42f71f8340d5c2fe424267602ad0e6ae1c5b"],"state_sha256":"a93ce99f0975f3f6ee0efa77e25f464ec7fc7626e922b850a9a300e2540f5cfd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"o5Tnh6E08HSGXfoRlgIHrFyYkKvy4K5Z4NzgSr5aRgYMgjWR2XYD5+IG+APqsdz7CiN03/vZCkO2q8CVjsXQCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T13:01:29.240641Z","bundle_sha256":"1bca8005565f0d3eda9440bae78ffb7ad1778feb602e8716adfcaa781ff66cd5"}}